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Manual Lowrance electronic LMS-320

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  • Lowrance electronic LMS-320 - page 1

    Pub. 988-0105-971 www.lowrance.com LMS-320, LMS-320DF Fish-finding Sonar & Mapping GPS Operation Instructions ...

  • Lowrance electronic LMS-320 - page 2

    Copyright © 2002 Lowrance Electronics, Inc. All rights reserved. Lowrance ® is a registered trademark of Lowrance Electronics, Inc. MapCreate  is a trademark of Lowrance Electronics, Inc. Marine-Tex  is a trademark of Illinois Tool Works Inc. Navionics  is a registered trademark of Navionics, Inc. Points of Interest Da ta in this unit ar ...

  • Lowrance electronic LMS-320 - page 3

    i Table of Contents Sec. 1: Read Me First! ............................................................... 1 Capabilities and Specifications: LMS-320 and LMS-320DF ........ 3 How LMS-320 So nar Works ......................................................... 5 How LMS-320 GP S Works ........................................................... 6 Intro ...

  • Lowrance electronic LMS-320 - page 4

    ii Alarms ......................................................................................... 56 Depth Al arms .......................................................................... 56 Zone Al arm .............................................................................. 57 Fish Al arm.................................................. ...

  • Lowrance electronic LMS-320 - page 5

    iii Main Menu .................................................................................. 96 Pages ........................................................................................... 98 Sonar Pa ge .............................................................................. 98 Satellite Stat us Pa ge ............................... ...

  • Lowrance electronic LMS-320 - page 6

    iv Navigate a Route in Reverse ................................................ 134 Trails ......................................................................................... 135 Delete a Tr ail ........................................................................ 135 Edit a Tra il Name ..................................................... ...

  • Lowrance electronic LMS-320 - page 7

    v Display a Navion ics Char t: ................................................... 155 Port Inform ation ................................................................... 156 View Port Services Informat ion: .......................................... 156 Tidal Current In formation ................................................... 157 to View Ti ...

  • Lowrance electronic LMS-320 - page 8

    vi WARNING! A CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONE METHOD TO OBTAIN POSITION INFORMATION. CAUTION When showing navigation data to a position (waypoint), a GPS unit will show the shortest, most direct path to the waypoint. It provides navigation data to the waypoint regardless of obstructions. Therefore, the prudent navigator will not only tak ...

  • Lowrance electronic LMS-320 - page 9

    1 Section 1: Read Me First! How this manual can get you out on the road, fast! Welcome to the exciting world of digital sonar and GPS! We know you're anxious to begin navigating and finding fish, but we have a favor to ask. Before you grab the unit and begin installing it, please give us a moment or two to explain how ou r manual can help you ...

  • Lowrance electronic LMS-320 - page 10

    2 After you've gained some experience with your sonar, you'll want to check out Section 4, which discusses more advanced Sonar Options and Other Features . When you come to a sonar menu comma nd on the LMS-320 screen, you can look it up in the manual by skimming over the table of contents, just flip- ping through Section 3 or scanning th ...

  • Lowrance electronic LMS-320 - page 11

    3 Now, if you're into the fine details , glance over the next segment on specifications to see just how much sonar and GPS power your unit con- tains. It's important to us (and our power users), but, if you don't care how many watts of power the unit ha s, or how many waypoints LMS-320 can store, skip ahead to importan t information ...

  • Lowrance electronic LMS-320 - page 12

    4 Sonar sounding depth capability: ........... LMS-320DF: 2,500 feet/762 meters. LMS-320: 1,000 feet/305 meters. (Actual capability depends on transducer configuration and installation, bottom com- position and water conditions. All sonar units typically read deeper in fresh water than in salt water.) Depth display: ................ Continuous disp ...

  • Lowrance electronic LMS-320 - page 13

    5 Audible alarms: ............. Arrival/off-course/anchor. Graphic symbols for waypoints or event marker icons: ................. 42. Routes: ............................. 100; up to 100 waypoints per route. Plot Trails: ...................... 10 savable; up to 9,999 points per trail. Zoom range: .................... 37 ranges; 0.05 to 4,000 miles. ...

  • Lowrance electronic LMS-320 - page 14

    6 Your LMS-320 can record a log of the sonar signals that scroll across the screen and save them to the MMC memory card. (These recordings are also called sonar charts or sonar graphs.) You can replay this sonar log in the unit using the Sonar Simulator function, or play it back on a personal computer using our free Sona r Viewer. The viewer is ava ...

  • Lowrance electronic LMS-320 - page 15

    7 searching for businesses and addre sses — won't work without a custom MapCreate map. There is so much detail in our background map (and even more in MapCreate) that we' ll describe their contents and differ- ences in Section 6, Basic GPS Operations , on page 95. Another portion of LMS-320's on board memory is devoted to recording ...

  • Lowrance electronic LMS-320 - page 16

    8 LMS-320 automatically reads Custom Map Files directly from the MMC or SDC. To use a custom map, all you need to do is slide an MMC containing a map into the unit. Introduction to GPS and WAAS Well, now you know the basics of how LMS-320 does its work. You might be ready to jump ahead to Section 2, Installation & Accessories, on page 13, so yo ...

  • Lowrance electronic LMS-320 - page 17

    9 A minimum of three satellites are required to determine a 2D fix. The system requires signal receptio n from three satellites in order to determine a position. This is called a 2D fix. It takes four satellites to determine both position and elevation (your height above sea level — also called altitude.) This is called a 3D fix. Remember, the un ...

  • Lowrance electronic LMS-320 - page 18

    10 First, the U.S. government has not completed construction of the WAAS system, so it is not yet fully operational. The ground stations are in place, but only a few of the needed WAAS satellites have been launched. WAAS can boost the accuracy of land GP S navigation, but the system is designed for aircraft. The satellites are in a fixed orbit arou ...

  • Lowrance electronic LMS-320 - page 19

    11 a bold sans serif type like this: R OUTE P LANNING . These indicate that you are to select this command or option fr om a menu or take an action of some kind with the menu item. Text that you may need to enter or file names you need to select are show in italic type, such as trail name . Instructions = Menu Sequences Most functions you perform w ...

  • Lowrance electronic LMS-320 - page 20

    12 Notes ...

  • Lowrance electronic LMS-320 - page 21

    13 Section 2: Installation & Accessories Preparations You can install the sonar and GPS sy stems in some other order if you prefer, but we recommend this installation sequence: CAUTION: You should read over this entire installation section before drill- ing any holes in your vehicle or vessel! 1. Determine the approximate locati on for the sona ...

  • Lowrance electronic LMS-320 - page 22

    14 ducer does "kick-up," the bracket can easily be pushed back into place without tools. Read these instructions carefully before attempting the installation. Determine which of the mounting posi tions is right for your boat. Use extreme care if mounting the transducer inside the hull, because once it is epoxied into position, the transdu ...

  • Lowrance electronic LMS-320 - page 23

    15 at speeds faster than 35 mph. Typi cally, a good location on alumi- num boats is between the ribs closest to the engine. 2. The transducer should be insta lled with its face pointing straight down, if possible. 3. If the transducer is mounted on th e transom, make sure it doesn't inter- fere with the trailer or hauling of the boat. Also, do ...

  • Lowrance electronic LMS-320 - page 24

    16 Align transducer centerline with hull bottom. However, there are times when you may need to adjust the transducer slightly higher or lower. (The slot s in the mounting brackets allow you to loosen the screws and slide the tr ansducer up or down.) If you fre- quently lose bottom signal lock while running at high speed, the trans- ducer may be com ...

  • Lowrance electronic LMS-320 - page 25

    17 The following instructions sometime s vary depending on the mounting bracket that came with your transducer. Single-frequency Skimmers come with a one-piece stainless st eel bracket, while dual-frequency Skimmers come with a two-piece plastic mounting bracket. Use the set of instructions that fits your model. 1. Assembling the bracket. A. One-pi ...

  • Lowrance electronic LMS-320 - page 26

    18 Add ratchets to bracket and transducer. 2. Aligning the transducer on the transom. A. One-piece bracket: Slide the transducer between the two ratch- ets. Temporarily slide the bolt th ough the transducer assembly and hold it against the transom. Lookin g at the transducer from the side, check to see if it will adjust so that its face is parallel ...

  • Lowrance electronic LMS-320 - page 27

    19 B. Two-piece bracket: Assemble the transducer and bracket as shown in the following figure. Temporarily slide the bolt though the transducer assembly but don't tighten the nut at this time. Hold the assembled transducer and bracket against the transom. Looking at the transducer from the side, check to see if it will adjust so that its face ...

  • Lowrance electronic LMS-320 - page 28

    20 B. Two-piece bracket: Once you determine the correct position for the ratchets, assemble the transduc er as shown in the figure in step 2B. Don't tighten the lock nut at this time. 4. Drilling mounting holes. Hold the transducer and bracket a ssembly against the transom. The transducer should be roughly pa rallel to the ground. The trans- d ...

  • Lowrance electronic LMS-320 - page 29

    21 Both bracket types: Attach the transducer to the transom. Slide the transducer up or down until it's aligned properly with the bottom of the hull as shown in the preceding and following figures. Tighten the bracket's mounting screws, sealing them with the caulking compound. Adjust the transducer so that it's parallel to the ground ...

  • Lowrance electronic LMS-320 - page 30

    22 7. Make a test run to determine the results. If the bottom is lost at high speed, or if noise appears on the display, try sliding the trans- ducer bracket down. This puts the transducer deeper into the water, hopefully below the turbulence ca using the noise. Don't allow the transducer bracket to go below the bottom of the hull! TROLLING MO ...

  • Lowrance electronic LMS-320 - page 31

    23 TRANSDUCER ORIENTATION AND FISH ARCHES If you do not get good fish arches on your display, it could be because the transducer is not parallel with th e ground when the boat is at rest in the water or at slow trolling speeds. Transducer angles and their effects on fish arches. If the arch slopes up – but not back down – then the front of the ...

  • Lowrance electronic LMS-320 - page 32

    24 transducer installation can be made on hulls with flotation materials (such as plywood, balsa wood or fo am) between layers of fiberglass if the material is removed from the chosen area. Epoxy the transducer to a solid portion of the hull. For example, some (but not all) manufacturers use a layer of fiberglass, then a core of balsa wood, finishi ...

  • Lowrance electronic LMS-320 - page 33

    25 cation that shot through the hull th e best and follow the instructions on the following pages for a shoot-thru-hull mounting. Shoot-thru-hull transducer locations for high speed or trolling speed operation. Shoot-thru-hull Installation 1. Make sure the area is clean, dry and free of oil or grease, then sand both the inside surface of the hull a ...

  • Lowrance electronic LMS-320 - page 34

    26 Place the transducer into the epoxy, twisting and turning it to force any air bubbles out from under the transducer face. The face of the transducer should be parallel with the hull, with a minimum amount of epoxy between the hull and tr ansducer. After the epoxy dries, route the cable to the sonar unit. Speed/Temperature Sensors This unit accep ...

  • Lowrance electronic LMS-320 - page 35

    27 Sensor Chart Two-temperature sensor installation Three-temperature sensor installation with speed Three-temperature sensor installation TS-3X temperature sensor SP-X speed sensor MY-4X Cable TS-2X temperature sensor Temperature sensor built into transducer LMS-320 rear view ...

  • Lowrance electronic LMS-320 - page 36

    28 Optional Speed Sensor Installation All the units in this series can disp lay speed and distance traveled, but only the LMS-320DF comes packed wi th a speed sensor. If you wish to purchase an optional additional sensor for your unit, refer to the acces- sory ordering information inside the back cover of this manual. The following instructions des ...

  • Lowrance electronic LMS-320 - page 37

    29 Speed sensor mounting configuration: side view (left) and rear view (right.) If the base of the transom has a ra dius, fill the gap between the tran- som and the sensor with the caulki ng compound. This will help ensure a smooth water flow. Route the sensor's cable through or over the transom to the sonar unit. If you need to drill a hole i ...

  • Lowrance electronic LMS-320 - page 38

    30 You need to select an antenna insta llation location that has a clear, un- obstructed view of the sky. After the module is installed, route the cable to the LMS-320, plug it in the center socket on the back and your sys- tem is ready to use. See the module's instruction sheet, publication part number 988-0147-39, for complete installation d ...

  • Lowrance electronic LMS-320 - page 39

    31 Power connections for the LMS-320 series sonar/GPS unit. CAUTION: Do not use this product without a 3-amp fuse wired into the power cable! Failure to use a 3-amp fuse will void your warranty. This unit has reverse polarity protection. No damage will occur if the power wires are reversed. However, the unit will not work until the wires are attach ...

  • Lowrance electronic LMS-320 - page 40

    32 See the diagrams on the following page for general wiring connections. Read your other product’s owner’s manual for more wiring information. NMEA/DGPS Wiring To exchange NMEA or DGPS data , the LMS-320 has one NMEA 0183 version 2.0 communication port. Com port one (Com-1) can be used to receive NMEA format GPS data or DGPS data. The com port ...

  • Lowrance electronic LMS-320 - page 41

    33 LMS-320 cable connections. Mounting the Unit: Bracket, In-Dash or Portable You can install the LMS-320 on the top of a dash with the supplied gimbal bracket. It can also be inst alled in the dash or mounted on a portable power supply. If you use the supplied bracket, you may be interested in the optional R-A-M  bracket mounting system. This c ...

  • Lowrance electronic LMS-320 - page 42

    34 Optional R-A-M mounting system. Bracket Installation Mount the unit in any convenient loca tion, provided there is clearance behind the unit when it's tilted fo r the best viewing angle. You should also make sure there is enough r oom behind the unit to attach the power, transducer and GPS antenna/r eceiver module cables. (A draw- ing on th ...

  • Lowrance electronic LMS-320 - page 43

    35 Drill a 1-inch (25.4 mm) hole in the dash for the power, transducer and antenna cables. The best location for this hole is immediately under the gimbal bracket location. This way, the bracket can be installed so that it covers the hole, holds the cables in position and results in a neat in- stallation. Some customers, however, prefer to mount th ...

  • Lowrance electronic LMS-320 - page 44

    36 In-Dash Installation You can mount the unit in the dash with an optional FM-5 In-Dash Adapter Kit. The kit includes mounting hardware, a template for cut- ting the hole and an instruction sheet, part 988-0147-43. In-dash mounting template for LMS-320 sonar/GPS unit, showing dimensions. NOTE: The figure above is not printed to scale. A scaled tem ...

  • Lowrance electronic LMS-320 - page 45

    37 Install batteries in power pack battery adapter. MMC or SDC Memory Card Installation Your LMS-320 uses a MultiMedia Card to store information, such as sonar logs, custom maps, waypoints, trails and other GPS data. The unit can also use Secure Digital Cards (SD card or SDC) to store data. NOTE: Throughout this manual, we will use the term MMC, bu ...

  • Lowrance electronic LMS-320 - page 46

    38 Memory card compartment with a 16 MB MMC card installed. To remove an MMC 1. Open the card compartment d oor by unscrewing the thumb screw. The screw should only be finger tigh t. If it was over-tightened, use a thumbnail, a coin or a screwdriver to open the door. 2. Use a thumbnail or fingernail to gr ab the groove in the bottom of the MMC. See ...

  • Lowrance electronic LMS-320 - page 47

    39 MapCreate™ 6 CD-ROM, left; MMC card reader for USB ports, right. Now that you have your unit inst alled, move on to Section 3, Basic So- nar Operations . There, we'll present a series of step-by-step tutorials to teach you the basics of LMS-320 sonar operation. NOTE: When you first turn the unit on, the Map Page appears. If you'd rat ...

  • Lowrance electronic LMS-320 - page 48

    40 Notes ...

  • Lowrance electronic LMS-320 - page 49

    41 Section 3: Basic Sonar Operation This section addresses the unit's most basic sonar operations. The in- structions presented in Sec. 3 follo w a chronological order. Sec. 4, Sonar Options & Other Features , will discuss other more advanced functions and utilities. Material in Sec. 4 is arranged in alphabetical order. Before you turn on ...

  • Lowrance electronic LMS-320 - page 50

    42 3. MENU – Press this key to show the menus and submenus, which allow you to select a command or ad just a feature. This also accesses search functions for streets, inters ections, addresses and highway exits. 4. ARROW KEYS – These keys are used to navigate through the menus, make menu selections, move the map and sonar chart cursors and ente ...

  • Lowrance electronic LMS-320 - page 51

    43 learn about the various sonar options, see Sec. 4, Sonar Options & Other Features. (For general system setup and GPS options, see Sec. 8, System Setup and GPS Setup Options .) You can access the Main Menu from any of the four Page screens by pressing MENU | MENU . To clear the menu screen and return to the page display, press EXIT . (Remembe ...

  • Lowrance electronic LMS-320 - page 52

    44 System Setup command: sets general configuration options. Sun/Moon Calculations command: finds the rising and setting time of the sun and the moon. Trip Calculator command: shows trip status and statistics. Timers command: controls the up timer, down timer and alarm clock settings. Browse MMC Files command: this allows you to view the installed ...

  • Lowrance electronic LMS-320 - page 53

    45 Satellite Status Page showing satellite lock-on with a 3D position acquired (latitude, longitude and altitude), including WAAS reception. Navigation Page This screen has a compass rose that not only shows your direction of travel, but also the direction to a recalled waypoint. To get to the Navi- gation Page: Pre ss PAGES | → or ← to N AVIGA ...

  • Lowrance electronic LMS-320 - page 54

    46 Map Page, showing position on Bull Shoals Lake, Arkansas. At left is the full map option. At right, map with sonar option. Map Page is also the default screen that appears when you turn on the unit. To get to the Map Page from another page: Pre ss PAGES | → or ← to M AP | EXIT . You can display a split screen show ing both the Map and Sonar ...

  • Lowrance electronic LMS-320 - page 55

    47 At left, Pages Menu, showing sonar chart display option commands. At right, Sonar Page in full sonar chart display mode. Sonar chart display options (from left) split zoom and split frequency. Sonar chart display options (from left) digital data and flasher. ...

  • Lowrance electronic LMS-320 - page 56

    48 Sonar Page Menu. Most of these functions are discussed in Sec. 4. Sonar Page, showing full sonar chart mode. You can customize how the Sonar Page displays its pictures and other data in many ways. Your unit also includes several special sonar fea- tures and options that can help you better interpret the underwater scene. We'll discuss all o ...

  • Lowrance electronic LMS-320 - page 57

    49 LMS-320 Series Sonar Quick Reference 1. Mount the transducer, antenna an d unit. Connect the unit to electric power and the transducer. (If GPS op eration is desired, connect GPS antenna, too.) Make sure the MMC is in. (See complete installation de- tails beginning on page 13.) 2. Launch your boat. 3. To turn on LMS-320, press and release PWR ke ...

  • Lowrance electronic LMS-320 - page 58

    50 Sonar Operations As you can see from the quick reference on the previous page, basic operation is pretty easy, right out of the box. If you are a sonar novice, try operating the unit with the factory defaults until you get a feel for how it's working. As you're learning the basics, there is one setting you might want to tinker with fro ...

  • Lowrance electronic LMS-320 - page 59

    51 You can change the sensitivity level whether you are in Auto Sensitiv- ity mode or Manual Sensitivity mo de. The adjustment method works the same in both modes, but it gi ves you slightly different results. Adjusting sensitivity in Auto Sensitiv ity Mode is similar to manually ad- justing a car's speed with the accelera tor pedal while crui ...

  • Lowrance electronic LMS-320 - page 60

    52 NOTE: If you want to change the sensitiv ity in Manual Mode, first turn off Auto Sensitivity: from the Sonar Page, press MENU | ↓ to A UTO S ENSITIVITY | ENT | ↑ to S ENSITIVITY | ENT . Press ↓ or ↑ to pick a different sensitivity setting. When it's set at the desired level, press EXIT . Important Tip: While you are experimenting an ...

  • Lowrance electronic LMS-320 - page 61

    53 Other Free Training Aids The sonar options section discusses Fish I.D., fish alarms and other features in greater detail. If you or a friend has Internet access, you can also learn more about interpreting what you see on your sonar screen. Visit our web site, WWW.LOWRANCE.COM . Be sure to check out the free Sonar Tutorial, which includes an imat ...

  • Lowrance electronic LMS-320 - page 62

    54 Free training emulator is available for your unit on our web site. The emulator works exactly like your real sonar/GPS unit. Using the Sonar Simulator and GPS Simulator features, it allows you to play back sonar logs, run GPS routes and trails, even create real waypoints you can use in the field! You can ev en take snapshots of the Sonar Chart a ...

  • Lowrance electronic LMS-320 - page 63

    55 Section 4: Sonar Options & Other Features Material in this section is a rranged in alphabetical order. ASP  (Advanced Signal Processing) The ASP  feature is a noise rejection sy stem built into the sonar unit that constantly evaluates the effects of boat speed, water conditions and interference. This automatic feat ure gives you the be ...

  • Lowrance electronic LMS-320 - page 64

    56 Alarms This unit has three different types of sonar alarms. The first is the Fish Alarm. It sounds when the Fish I.D.  feature determines that an echo is a fish. Another alarm is the Zone Alarm, whic h consists of a bar on the side of the screen. Any echo on the chart th at appears inside this bar triggers this alarm. The last alarm is the De ...

  • Lowrance electronic LMS-320 - page 65

    57 4. Press ← to S HALLOW A LARM E NABLED | ENT | EXIT | EXIT | EXIT . 5. To turn off the alarm, press MENU | MENU | ↓ to A LARMS | ENT | ↓ to S ONAR A LARMS | ENT | ENT | EXIT | EXIT | EXIT . To switch to a different depth setti ng, open the Sonar Alarms menu and repeat the instructions in step 3 above. To adjust and turn on the deep alarm: ...

  • Lowrance electronic LMS-320 - page 66

    58 L OWER , then press ↑ or ↓ to move the bottom of the bar to the desired depth. 5. Press EXIT | ← to Z ONE A LARM E NABLED | ENT | EXIT | EXIT | EXIT . Now, any echo — fish, bottom, structure — wi thin the zone alarm's depth range will trigger the zone alarm. 6. To turn off the alarm, press MENU | MENU | ↓ to A LARMS | ENT | ↓ ...

  • Lowrance electronic LMS-320 - page 67

    59 A good way to gauge your speed sens or's performance is to compare its reading with the ground speed measured by your unit's GPS functions. When you make a run to compare GPS ground speed to speed sensor speed, perform your test in relative ly calm water free of current, if pos- sible. (Unless, of course, you are ta king the current sp ...

  • Lowrance electronic LMS-320 - page 68

    60 1. From the Sonar Page, press MENU | ↓ to C HART S PEED | ENT . 2. The Chart Speed Control Bar appears. Press ↓ to decrease chart speed; press ↑ to increase chart speed. 3. When it's set at the desired level, press EXIT . Depth Cursor The depth cursor consists of a hori zontal line with a digital depth box on the right side. The numbe ...

  • Lowrance electronic LMS-320 - page 69

    61 At left, Sonar Page menu with Depth Range command selected. At right, the Depth Range Control Scale. 2. The Depth Range Control Scale appears. Press ↑ or ↓ to select a dif- ferent depth range. A black bar hi ghlights the selected range. Range numbers in gray cannot be selected. 3. When the new range is selected, press EXIT to clear the menu. ...

  • Lowrance electronic LMS-320 - page 70

    62 the surface to the bottom can be show n. This enlarges the sonar targets to best suit your fishing needs and water conditions. At left, Sonar Page Menu with Upper and Lower Limits command se- lected. At right, Sonar Chart Limits menu, with Upper Limit selected. To change the upper and lower limits: 1. From the Sonar Page, press MENU | ↓ to U P ...

  • Lowrance electronic LMS-320 - page 71

    63 To turn off upper and lower limits: From the Sonar Page, press MENU | ↓ to A UTO D EPTH R ANGE | ENT | EXIT . FasTrack  This feature automatically converts all echoes to short horizontal lines on the display's far right side. The gr aph on the rest of the screen con- tinues to operate normally. FasTrack gives you a rapid update of cond ...

  • Lowrance electronic LMS-320 - page 72

    64 You may see fish symbols on the s creen when actually, there are no fish. The reverse is also true. The illustrations on the next page show how Fish I.D. can actually miss fish that are present. Does that mean Fish I.D. is broken ? No — the feature is simply inter- preting sonar returns in a specific wa y to help take some of the work out of r ...

  • Lowrance electronic LMS-320 - page 73

    65 At left, figures 1A and 2A show Sonar Page in normal chart mode. At right, figures 1B and 2B show the same underwater scene with Fish I.D. turned on. Note how arches are replaced with symbols. To turn the Fish I.D. feature on: 1. From the Sonar Page, press MENU | ↓ to S ONAR F EATURES | ENT . 2. Press → ↓ or → to F ISH ID S YMBOLS | ENT ...

  • Lowrance electronic LMS-320 - page 74

    66 2. Press → ↓ to F ISH ID D EPTHS | ENT | EXIT | EXIT . To turn off FishTrack, repeat the in structions in step 1. Turning off FishTrack in this manner will not turn off Fish I.D. symbols. Sonar Features menu with Fish I.D. Depths selected (at left, dual- frequency menu; center, single-frequency menu). When the chec k box to the left is ch ec ...

  • Lowrance electronic LMS-320 - page 75

    67 Sonar Color Mode command with FishReveal selected (at left, dual-frequency menu; at right, single-frequency menu). To turn FishReveal on: 1. From the Sonar Page, press MENU | ↓ to S ONAR F EATURES | ENT . 2. Press ↓ to S ONAR C OLOR M ODE | ENT | ↓ to F ISH R EVEAL | ENT . 3. Press EXIT | ↑ to A UTO S ENSITIVITY | ENT | ↑ to S ENSITIVI ...

  • Lowrance electronic LMS-320 - page 76

    68 Frequency (Change Transducer Frequency) (LMS-320DF only) The LMS-320DF transducer operates with both 200 kHz and 50 kHz. The 200 kHz frequency has a 12 ° cone angle and the 50 kHz frequency has a 35 ° cone angle. The default frequency is 200 kHz, whic h is best for use in shallow water (about 300 feet or less). This freque ncy is the best choi ...

  • Lowrance electronic LMS-320 - page 77

    69 To change the frequency setting to 200 kHz: 1. From the Sonar Page, press MENU | ↓ to S ONAR F EATURES | ENT | ENT . 2. Press EXIT | EXIT to clear the menu. Grayline  Grayline lets you distinguish between strong and weak echoes. It "paints" gray on targets that are stro nger than a preset value. This al- lows you to tell the diffe ...

  • Lowrance electronic LMS-320 - page 78

    70 This series of figures shows how different Grayline settings can reveal more information. The "A" figures to the left show locations with Gray- line set at the factory level of 64 percent. At right, the "B" figures show the same locations with Grayline incr eased to 84 percent. In Figure 1B, no fish are near the left structur ...

  • Lowrance electronic LMS-320 - page 79

    71 HyperScroll  See the entry on Ping Speed, which controls the HyperScroll feature. Log Sonar Chart Data If you have an MMC installed in th e unit, the sonar data shown on the screen can be saved to the MMC. This can be played back at any time (to play a recorded sonar chart log, see the entry in this section for So- nar Simulator). If you have ...

  • Lowrance electronic LMS-320 - page 80

    72 First, press PAGES , use → or ← to select a Page Name , then press EXIT . To select data for display: 1. From the Map or Sonar page, press MENU | ↓ to O VERLAY D ATA | ENT . 2. Press ↓ or ↑ to select Data Type | ENT . Overlay Data command on the Sonar Menu, at left. Overlay Data Shown selection menu, right. In this example, we scrolled ...

  • Lowrance electronic LMS-320 - page 81

    73 3. To return to the previous page, press EXIT | EXIT . To change displayed data font size: 1. From the Map or Sonar page, press MENU | ↓ to O VERLAY D ATA | ENT . 2. Press ↓ or ↑ to select Data Type |press → or ← to Data Size | EXIT . The selected data type will be displa yed in the new size. (To change the font size for another Data T ...

  • Lowrance electronic LMS-320 - page 82

    74 Ping Speed & HyperScroll  Ping Speed controls the rate at which the transmitter and transducer broadcast sonar sound waves — pings — into the water. The unit has a default ping speed of 50 percent. At normal boating speeds, this auto- matically provides enough return ech oes to refresh the screen and scroll the chart at maximum chart ...

  • Lowrance electronic LMS-320 - page 83

    75 To adjust Sensitivity: 1. From the Sonar Page, press MENU | ENT . 2. The Sensitivity Control Bar appears. Press ↓ to decrease sensitivity; press ↑ to increase sensitivity. When it's set at the desired level, press EXIT . (When you reach the maximum or minimum limit, a tone sounds.) To turn off HyperScroll: 1. From the Sonar Page, press ...

  • Lowrance electronic LMS-320 - page 84

    76 NOTE: Reset Options does not erase any waypoints, routes, plot trails, or sonar logs. Reset Water Distance The sonar chart's Digital Data display option includes a window that shows distance traveled, called Wa ter Distance ("W Distance"). This information is calculated from an optional water speed sensor, not the GPS. The Water D ...

  • Lowrance electronic LMS-320 - page 85

    77 NOTE: If knowing the exact depth of wate r beneath the keel is less impor- tant, you can calibrate the depth indi cators so that they show the ac- tual water depth from surface to bo ttom. To do this, first measure the distance from the face of the transd ucer up to the surface (the water line on the boat). In this example, we will use 1.5 feet. ...

  • Lowrance electronic LMS-320 - page 86

    78 can adjust sensitivity up to 100 percent but the unit will limit your minimum setting. In auto, the unit will continue to make small ad- justments, allowing for the setting you selected. In manual mode, you have complete control over sensitivity, with the ability to set it anywhere from zero to 100 percent. Once you select a level in manual, the ...

  • Lowrance electronic LMS-320 - page 87

    79 Tip: For quicker sensitivity adjustments, try leaving the Sensitivity Control Bar on the screen as th e chart scrolls. You can see the changes on the screen as you pre ss the up or down arrows. This is handy when there's a lot of clu tter in the water, and you are matching the sensitivity to rapidly changing water conditions. Sonar Color Mo ...

  • Lowrance electronic LMS-320 - page 88

    80 bottom depth and surface temperature (if equipped with a temperature sensor or a transducer with a temp sensor built in) show at the top left corner of the screen. The FasTrack™ display shows just to the right of the scale. This changes all echoes into short horizo ntal bars, replicating a flasher so- nar. The zoom bar on the far right shows t ...

  • Lowrance electronic LMS-320 - page 89

    81 Split Frequency Sonar Chart (LMS-320DF only) This page shows sonar data from th e 50 kHz transducer element on the left side of the screen and data from the 200 kHz transducer on the right side. All other functions and features are the same as the Full Chart page. Split Frequency Sonar Chart page, with 50 kHz view at left and 200 kHz view at rig ...

  • Lowrance electronic LMS-320 - page 90

    82 Digital Data/Chart This mode shows the chart on the right side of the screen. The left side has six large digital boxes or windows containing: Water Depth; Water Speed (from an optional speed sensor); Water Distance (distance traveled or log, it also requires a speed sensor); Surf ace Water Temperature; Temperature #2 and Temperature #3. ( Note: ...

  • Lowrance electronic LMS-320 - page 91

    83 Options List for customizing Digital Data windows. At left, the list first appears with Water Speed selected. At right, Maximum Speed has been picked to replace Water Speed in the top digital data window. Tip: You can customize other digital da ta windows before returning to the Sonar Page. After changing th e first window by selecting the Data ...

  • Lowrance electronic LMS-320 - page 92

    84 Map With Sonar Split Screen There is a page mode that splits the screen in half, with the map on the left and the sonar on the right. This screen option can be found on the Pages Menu under the Map Page category. Map With Sonar split screen option. At far right, the full Map Page is shown. The Pages Menu with the Map option list is shown in the ...

  • Lowrance electronic LMS-320 - page 93

    85 NOTE: With Simulate Position checked, the simulator will also automati- cally run the GPS simulator (if GPS data was recorded with the so- nar log). 2. To use the default sonar char t log stored in the unit, press ENT | EXIT . The recorded chart begins scrolling across the screen, just as if you were on the water. 3. Turn off Sonar Simulator by ...

  • Lowrance electronic LMS-320 - page 94

    86 Tip: There's more than one way to play a recorded sonar chart. You can also turn on the simulator from the MMC files list. Here's how: 1. Press MENU | MENU | ↓ to B ROWSE MMC F ILES | ENT | ENT . 2. Press ↓ or ↑ to chart name | ENT | ↓ to P LAY | ENT | EXIT . Menu sequence for playing a sonar chart log from the MMC File List. N ...

  • Lowrance electronic LMS-320 - page 95

    87 Sonar Menu with Stop Chart command selected. The box is unchecked, indicating that the chart is scrolling across the screen. Surface Clarity The markings extending downward fr om the zero line on the chart are called "surface clutter." These mark ings are caused by wave action, boat wakes, temperature inversion and more. The surface cl ...

  • Lowrance electronic LMS-320 - page 96

    88 In the illustration at left, Surface Clarity is turned off. The right view shows Surface Clarity set at High. Upper and Lower Limits See the entry in this section for De pth Range - Upper and Lower Limits Zoom & Zoom Bar "Zooming" the display is a common, fa st and easy method used to en- large small detail, fish signals and th e b ...

  • Lowrance electronic LMS-320 - page 97

    89 Zoom & Zoom Pan Your unit has the handy ability to quic kly zoom in on any portion of the water column with just the touch of an arrow key. The Zoom Pan feature lets you rapidly move the zoomed area up and down to different depths. By "pointing" your zoom at different portions of the chart as it scrolls, you can get a good, close-u ...

  • Lowrance electronic LMS-320 - page 98

    90 Notes ...

  • Lowrance electronic LMS-320 - page 99

    91 Section 5: Sonar Troubleshooting If your unit is not working, or if yo u need technical help, please use the following troubleshooting section befo re contacting the factory customer service department. It may save you the trouble of returning your unit for repair. For contact information, refe r to the last page, just inside the back cover of t ...

  • Lowrance electronic LMS-320 - page 100

    92 This causes the sonar to automati cally increase its Discrimination or noise rejection feature. This can cause the unit to eliminate weaker signals such as fish or even structure from the display. 3. The water may be deeper than the sonar's ability to find the bottom. If the sonar can't find the bottom si gnal while it's in the au ...

  • Lowrance electronic LMS-320 - page 101

    93 NOISE A major cause of sonar problems is electrical noise. This usually appears on the sonar's display as ra ndom patterns of dots or lines. In severe cases, it can completely cover the screen with black dots, or cause the unit to operate erratically, or not at all. To eliminate or minimize the effects of electrical noise, first try to dete ...

  • Lowrance electronic LMS-320 - page 102

    94 Notes ...

  • Lowrance electronic LMS-320 - page 103

    95 Section 6: Basic GPS Operations This section addresses the unit's most basic GPS operations. The tuto- rials presented in Sec. 6 follow a chronological order. Sec. 7, Advanced GPS Operations , will discuss other more advanced functions and utili- ties. Material in Sec. 7 is arranged in alphabetical order. Before you turn on LMS-320 and find ...

  • Lowrance electronic LMS-320 - page 104

    96 Navigation Page, Map Page and Sonar Page.) Each page represents one of the unit's major operation modes. 3. MENU – Press this key to show the menus and submenus, which allow you to select a command or ad just a feature. This also accesses search functions for streets, inters ections, addresses and highway exits. 4. ARROW KEYS – These ke ...

  • Lowrance electronic LMS-320 - page 105

    97 section will deal only with functi ons, the basic commands that make LMS-320 do something. LMS-320 will work fine for these lessons right out of the box with the factory de fault settings. But, if you want to learn about the various options, see Sec. 8, System Setup and GPS Setup Options . You can access the Main Menu from any of the four Page s ...

  • Lowrance electronic LMS-320 - page 106

    98 Sonar Setup command: sets various sonar options. GPS Setup command: sets various GPS receiver options. System Setup command: sets general configuration options. Sun/Moon Calculations command: finds the rising and setting time of the sun and the moon. Trip Calculator command: shows trip status and statistics. Timers command: controls the up timer ...

  • Lowrance electronic LMS-320 - page 107

    99 Satellite Status Page The Satellite Status Page, shown, pr ovides detailed information on the status of LMS-320's satellite lock-on and position acquisition. To get to the Satellite Status Page: Pre ss the PAGES key, then use → or ← to se- lect S TATUS . (Clear the Pages Menu by pressing EXIT .) No matter what Page you are on, a flashin ...

  • Lowrance electronic LMS-320 - page 108

    100 upper left corner of the screen is the expected error from a benchmark location. In other words, if the EP E shows 50 feet, then the position shown by the unit is estimated to be within 50 feet of the actual loca- tion. This also gives you an indicator of the fix quality the unit cur- rently has. The smaller the position error number, the bette ...

  • Lowrance electronic LMS-320 - page 109

    101 following figure. Your ground speed , track, distance and bearing to waypoint, and course are all shown digitally on this screen. NOTE: Remember, when the Speed, Track and Position information dis- plays are flashing, satellite lock ha s not been achieved and no posi- tion fix has been determined. A ques tion mark will also flash on the present ...

  • Lowrance electronic LMS-320 - page 110

    102 Navigation Page, backtracking a trail while creating a new trail. In the example figure above, the driv er is headed west (a 266º track) toward a waypoint 264º (bearing) away. The cross track error range (white corridor) is 0.20 miles either side of the course. The driver is headed toward trail waypoint 4, wh ich is 147 feet away. The vehicle ...

  • Lowrance electronic LMS-320 - page 111

    103 The map zoom range is the distan ce across the screen. This number shows in the lower left corner of th e screen. In the first example figure below, the range is 4,000 miles from the left edge of the map to the right edge of the map. The Zoom In and Zoom Out keys zoom the map to enlarge or reduce its coverage area and the amount of mapping deta ...

  • Lowrance electronic LMS-320 - page 112

    104 Background map vs. MapCreate map content The background map includes: low-detail maps of the whole world (con- taining cities, major lakes, major ri vers, political boundaries); and me- dium-detail maps of the United States. The medium-detail U.S. maps contain: all incorporated cities; shaded metropolitan areas; county boundarie s; shaded publi ...

  • Lowrance electronic LMS-320 - page 113

    105 Tip: In some urban areas, businesses are so close to one another that their POI icons crowd each other on the screen. In the preceding figure, you can see a jumbled pile of POIs along Highway 34. You can reduce screen clutter and ma ke streets and other map features easier to see by simply turning off the display o f P O I s y o u ' r e n ...

  • Lowrance electronic LMS-320 - page 114

    106 PAGES | PAGES . This allows you to change which map the cursor, key- board and menus operate on. A black title bar denotes the active wi ndow. Resize Window is another extremel y handy feature for pages that have two major windows. You can change th e horizontal size of the windows to suit your viewing preference. Here's how: 1. From any t ...

  • Lowrance electronic LMS-320 - page 115

    107 LMS-320 GPS Quick Reference Start outdoors, with a clear view of the open sky. As you practice, try navigating to a location at least a few blocks away. While you're learning, navigation in too small an area w ill constantly trigger arrival alarms. 1. Connect the unit to electric powe r and the antenna module. Make sure the MMC is in. (See ...

  • Lowrance electronic LMS-320 - page 116

    108 Find Your Current Position Finding your current position is as simple as turning LMS-320 on. Un- der clear sky conditions, the unit automatically searches for satellites and calculates its position in approximately one minute or less. NOTE: "Clear sky" means open sky, uno bstructed by terrain, dense foliage or structures. Clouds do no ...

  • Lowrance electronic LMS-320 - page 117

    109 The selected airport to the northwest is 4.2 miles away. Selecting Any Map Item With the Cursor 1. Use the zoom keys and the arrow keys to move around the map and find the item you wish to select. 2. Use the arrow keys and center th e cursor cross-hair on the desired object. On most items, a pop-up box will give the name of the selected item. S ...

  • Lowrance electronic LMS-320 - page 118

    110 3. LMS-320 says it is calculating, then a list of restaurants appears, with the closest at the top of the lis t, and the farthest at the bottom of the list. The nearest is highlighted. Find Waypoint Menu, left; Category Selection menu, center; and list of the nearest restaurants, right. 4. If you wish, you could scroll ↑ or ↓ here to select ...

  • Lowrance electronic LMS-320 - page 119

    111 6. LMS-320's map appears, with th e cross-hair cursor highlighting the restaurant's POI symbol. A pop-up name box identifies the POI. A data box at the bottom of the screen conti nues to display the location's lati- tude and longitude, distance and bearing. Map screen showing Finding Waypoint, the result of a restaurant search. 7 ...

  • Lowrance electronic LMS-320 - page 120

    112 To create and save a Waypoint: These first two techniques use the Quick Save method, the fastest and easiest way to create a waypoint. Create Waypoint at Current Position While you are traveling, press WPT | WPT . The waypoint is saved and automatically given a name with a sequential number, such as "way- point 003." The waypoint symb ...

  • Lowrance electronic LMS-320 - page 121

    113 NOTE: The Quick Save method uses the default waypoint symbol until you edit an existing waypoint and change its symbol. (Edit Waypoint Symbol is described in Sec. 7.) After you have changed a waypoint symbol, the unit will remember th e one you chose and use it the next time you "quick save" a waypoint. To revert back to the default s ...

  • Lowrance electronic LMS-320 - page 122

    114 and repeat until the name is correct, then press ENT to jump to the list below.) 3. If the list is short, you can jump directly to the F IND I N L IST box by pressing ENT . Use ↑ or ↓ to select the waypoint name, press ENT and the waypoint information screen appears with the G O T O command se- lected. 4. To begin navigating to the waypoint ...

  • Lowrance electronic LMS-320 - page 123

    115 the man overboard position, and the destination name says "Going To Man Overboard." The Map Page displays a Man Overboard waypoint, represented by a human figure, and the steering arrow points where to steer to reach that position. Navigating to Man Overboard: Navigation Page, left, and Map Page, right. The victim is astern of the ves ...

  • Lowrance electronic LMS-320 - page 124

    116 Navigate to cursor. In this example, the cursor has selected the town of Oologah, Oklahoma. 3. Press MENU | ENT and LMS-320 will begin navigating to the cursor location. The Map Page will display a dotted line from your current position to the cursor position. The Navigation Page displays a compass rose showing navigation information to your de ...

  • Lowrance electronic LMS-320 - page 125

    117 Navigate to a Point of Interest For POIs that are in view on the map, you can easily use the Navigate to Cursor command above; just use the cursor to select the POI. The other method involves searchin g for POIs with the Find Waypoint command, launched with the WPT key. (See the searching example ear- lier in this section, or turn to Sec. 9, Se ...

  • Lowrance electronic LMS-320 - page 126

    118 Sequence for saving a trail and beginning a new one. At left, My Trails command. Center, the Trails Menu. The arrow to the right of Trail 14 indicates the trail is "active," and the check to the left indicates the trail is visible on the map display. The right figure shows the Edit Trail menu, with the Active command selected. 2. Pres ...

  • Lowrance electronic LMS-320 - page 127

    119 Tip: Another quick way to stop record ing one trail and begin a new one is to use the New Trail command: Press MENU | MENU | ↓ to M Y T RAILS | ENT | ENT . Caution: You also have the option of co mpletely turning off trail record- ing, under the trail Options command. However, if the Update Active Trail option is left turned off, it will canc ...

  • Lowrance electronic LMS-320 - page 128

    120 The other two methods provide a full ra nge of navigation data and work with both the Map Page and Naviga tion Page. The only difference be- tween them is "navigating a trail" follows a trail forward (from start to end) while "backtracking" follows a trail in reverse (from end to start.) When hiking at walking speed with a h ...

  • Lowrance electronic LMS-320 - page 129

    121 Navigate a trail menu sequence: Fig. 1, My Trails command. Fig. 2, Trails Menu. Fig. 3, Edit Trail Menu. Fig. 4, Edit Route Menu with Navigate command highlighted for Trail 6. A trail is always converted to a "route" when you navigate the trail. On the Map Page, the trail you are na vigating is represented by a dot- ted line that alte ...

  • Lowrance electronic LMS-320 - page 130

    122 Navigate trail, navigation page (compass rose) views: at left, driver is northbound heading straight toward trail point 6; bearing arrow shows the trail point is due north (str aight ahead.) At right, driver has reached trail point 6 and must turn west to follow the trail. Arrival alarm goes off and bearing arrow swings around to say turn left ...

  • Lowrance electronic LMS-320 - page 131

    123 software. For instructions on inserting an MMC into LMS-320, see Sec. 2, Installation/Accessories . NOTE: To load a Navionics  chart, see Sec. 8 for the entry Navionics Charts . GPS Data files: GPS Data Files contain waypoints, routes, trails and event marker icons. Instructions for copying GP S Data Files between your computer and an MMC ar ...

  • Lowrance electronic LMS-320 - page 132

    124 Press ↑ or ↓ to change the first character, then press → to the next character and repeat until the name is correct. Then, press ENT | ↓ to S AVE D ATA | ENT . The unit will display first a progress then a completion message when the data transfer is finished. To return to the Page view, repeatedly press EXIT . From left to right, these ...

  • Lowrance electronic LMS-320 - page 133

    125 These figures show the menu sequence for loading a GPS Data File from an MMC into LMS-320's memory. Cancel Navigation You can turn off any of the naviga tion commands after you reach your destination or at any other time by using the Cancel Navigation com- mand. Pr ess MENU | MENU | ↓ to C ANCEL N AVIGATION | ENT | ← to Y ES | ENT . Fi ...

  • Lowrance electronic LMS-320 - page 134

    126 Notes ...

  • Lowrance electronic LMS-320 - page 135

    127 Section 7: Advanced GPS Operations Find Distance From Current Position To Another Location 1. While on the Map Page press: MENU | ↓ to F IND D ISTANCE | ENT . 2. Center your cursor over the positi on you want to find the distance to. A rubber band line appears, connectin g your current position to the cursor's location. The distance alon ...

  • Lowrance electronic LMS-320 - page 136

    128 Icons Icons are graphic symbols used to ma rk some location, personal point of interest or event. They can be plac ed on the map screen, saved and re- called later for navigation purposes. These are sometimes referred to as event marker icons. LMS-320 has 42 different symbols you can pick from when creating an icon. Icons are similar to waypoin ...

  • Lowrance electronic LMS-320 - page 137

    129 1. Press MENU | ↓ to D ELETE M Y I CONS | ENT . 2. Press ↓ to D ELETE A LL I CONS , D ELETE B Y S YMBOL , or D ELETE F ROM M AP and press ENT . Delete icons menu. The Delete All Icons command will ask if you are sure. Press ← to Y ES | ENT . All icons will be deleted from the map. The Delete by Symbol command w ill launch the Select Symbo ...

  • Lowrance electronic LMS-320 - page 138

    130 Routes A route is a series of waypoints, lin ked together in an ordered sequence, that's used to mark a course of tr avel. You can visualize a route as a string of beads: The beads repres ent waypoints and the string repre- sents the course of travel connecting waypoint to waypoint. The course from one waypoint to the next is a leg; routes ...

  • Lowrance electronic LMS-320 - page 139

    131 Route Planning command on Main Menu, left, will open the Route List screen, right. 2. Press ↓ | ↓ | ↑ or ↓ to route name | ENT | ↓ to (R OUTE END ) | ENT | ↓ to A DD F ROM M AP | ENT . The Map Page appears with the cursor showing. Edit Route menu, left. Edit Route Waypoints menu, right, with Add From Map command selected. 3. Use the ...

  • Lowrance electronic LMS-320 - page 140

    132 Route creation sequence, from left: Fig. 1. Set route waypoint (1) at 11th St. & 145th Ave. Fig. 2. Zoom in; move cursor north to set point (2) at 145th & Admiral. Fig. 3. With point (2) set, move cursor east to mark interstate on-ramp with waypoint (3). In figures 2 and 3, notice the rubber band line extending from the previously set w ...

  • Lowrance electronic LMS-320 - page 141

    133 Delete a Route 1. From the N AVIGATION P AGE , press MENU | ENT or from the M AP P AGE press MENU | MENU | ↓ to R OUTE P LANNING | ENT . 2. Press ↓ to route name | ENT . 3. Press ↓ to N AVIGATE | ENT | → to D ELETE | ENT | ← to Y ES | ENT . Tip: You can also delete all routes at once: 1. From the N AVIGATION P AGE , press MENU | ENT o ...

  • Lowrance electronic LMS-320 - page 142

    134 route by clicking on a map location with the cursor. Add Waypoint calls up the Waypoint List so you can in sert a waypoint from the list. Re- move Waypoint will delete the wa ypoint from the route. View Way- point will show you where the sele cted waypoint is on the map. Navigate a Route 1. From the N AVIGATION P AGE , press MENU | ENT or from ...

  • Lowrance electronic LMS-320 - page 143

    135 Navigating along a route: Fig. 1 show s the Navigation Page at the start of a route, heading straight for the fi rst waypoint (Wpt 1). In Fig. 2, the traveler has arrived at Wpt 1; the a rrival alarm has been triggered and the bearing arrow on the compass rose has turned to point toward Wpt 2, off to the east. In Fig. 3 the traveler has turned ...

  • Lowrance electronic LMS-320 - page 144

    136 → to the next character and repeat until the name is correct. Press ENT then EXIT | EXIT | EXIT | EXIT to return to the previous page display. Tip: You can quickly call up the Edit Trail menu by selecting a trail on the map with the cursor. Simply mo ve the cursor over a trail and a pop-up box appears. Press WPT and the Edit Trail menu opens. ...

  • Lowrance electronic LMS-320 - page 145

    137 Utilities Utilities are useful tools for traveling or for outdoor activities. Alarm Clock To get to the alarm clock menu: press MENU | MENU | ↓ to T IMERS | ENT | ↓ to A LARM C LOCK | ENT . Sun/Moon Rise & Set Calculator To get to the Sun/Moon menu: press MENU | MENU | ↓ to S UN /M OON C ALCULATIONS | ENT . Trip Calculator To get to t ...

  • Lowrance electronic LMS-320 - page 146

    138 Waypoint Symbol To edit waypoint symbol: 1. Press WPT | ENT | ENT | ENT | ↓ to waypoint name | ENT | ↓ to E DIT W AYPOINT | ENT | ↓ to C HOOSE S YMBOL | ENT . 2. Use arrow keys to select desired symbol and press ENT . To return to the previous page, press EXIT | EXIT | EXIT | EXIT . Waypoint Position To edit waypoint position: 1. Press WP ...

  • Lowrance electronic LMS-320 - page 147

    139 1. Press WPT | → to S UBCATEGORY column| ↓ to N EW | ENT . 2. Press ↓ to P ROJECTED P OSITION | ENT | → to C REATE | ENT . 3. Press → to C HOOSE R EFERENCE | ENT . Use ↑ and ↓ t o s e l e c t a w a y p o i n t , map feature or Point of Interest. When the point has been selected, press ENT and the point's position appears as t ...

  • Lowrance electronic LMS-320 - page 148

    140 Notes ...

  • Lowrance electronic LMS-320 - page 149

    141 Section 8: System & GPS Setup Options Alarms This unit has several GPS alarms. The factory default setting has all the alarms turned on. You can turn the alarms off and on and change their distance settings. You can set an arrival alarm to fla sh a warning message and sound a tone when you cross a preset distance from a waypoint. For exampl ...

  • Lowrance electronic LMS-320 - page 150

    142 4. When your adjustments are finishe d, return to the last page dis- played by repeatedly pressing EXIT . IMPORTANT ALARM NOTES: Anchor Alarm - The anchor alarm may be triggered even when you're sitting still. This typically happens when using small (less than .05 mile) anchor alarm ranges. Arrival Alarm - If you set the arrival alarm&apos ...

  • Lowrance electronic LMS-320 - page 151

    143 GPS Auto Search on the Satellite Status Menu. You can force the unit to immediately kick into auto search mode. Here's how: 1. Press PAGES until you are on the Satellite Status screen. 2. Press MENU | ENT | ← to Y ES | ENT . Check MMC Files and Storage Space To check MMC Files: Press MENU | MENU | ↓ to B ROWSE MMC F ILES | ENT. Main Me ...

  • Lowrance electronic LMS-320 - page 152

    144 Menus for changing Com Port settings. For connectors and wiring information for another device, see page 31. For assistance in configuring the unit to communicate with another device, consult the factory; cus tomer service phone numbers are in the back of this manual. Also see the entries below for Configure DGPS and Configure NMEA . To set Com ...

  • Lowrance electronic LMS-320 - page 153

    145 Configure NMEA You can configure the unit to use specific NMEA sentences. 1. Press MENU | MENU | ↓ to S YSTEM S ETUP | ENT . 2. Press ↓ to C OMMUNICATIONS P ORT | ENT | ↓ to C ONFIGURE NMEA | ENT . 3. A menu appears showing the prefixes of the available NMEA sen- tences. A check mark next to a pr efix means the prefix is in use. Use ↑ ? ...

  • Lowrance electronic LMS-320 - page 154

    146 their respective countries. In order to use these grid systems, you must be in the respective country. This unit will pick the matching datum for you when you select the grid. See th e entry on Map Datum Selection for more information. The military grid reference system (MGRS) uses two grid lettering schemes, which are referred to as standard a ...

  • Lowrance electronic LMS-320 - page 155

    147 For example, if it shows a distance of UP 4.00" and LEFT 0.50", you then measure up four inches and to the left a half-inch from the refer- ence point on the map to find your location. To configure a map fix: To use this format, you need to follo w these steps in order. First, take your map of the area and determin e a reference latit ...

  • Lowrance electronic LMS-320 - page 156

    148 ↑ to C OORD S YSTEM | ENT , select M AP F IX from the list and press ENT | EXIT . All position information now shows as a distance from the reference point you chose. Customize Page Displays The Position, Navigation, and Map pa ges all have customizable options. These options decide which inform ation is viewable on each page. Customize Satel ...

  • Lowrance electronic LMS-320 - page 157

    149 To get to the GPS Simulator: 1. Press MENU | MENU | ↓ to GPS S ETUP | ENT . 2. Press ↓ to GPS S IMULATOR | ENT . The GPS Simulator Menu appears. GPS Setup Menu, left; GPS Simulator menu, right. Make the desired settings, then turn the simulator on by highlighting the GPS S IMULATOR O N box and pressing ENT key. Press EXIT | EXIT | EXIT to e ...

  • Lowrance electronic LMS-320 - page 158

    150 4. Press EXIT to turn off the steering and speed boxes. The unit will now automatically "steer" along the trail or route. When you arrive at your "destination," cancel navigation as you normally do. Tip: You can pick any spot on the ma p to begin your simulation session by using the Initialize GPS command. This makes your un ...

  • Lowrance electronic LMS-320 - page 159

    151 First, start navigation to a waypoint. (See the waypoint section for more information on navigating to a waypoint.) Then, with the auto zoom mode on, the unit zooms out unt il the entire course shows, from the present position to the destination waypoint. As you travel toward the destination, the unit automatica lly begins zooming in — one zo ...

  • Lowrance electronic LMS-320 - page 160

    152 Map Boundaries From the Map Page, press MENU | ↓ to M AP D ATA | ENT . Press ↓ to M AP B OUNDARIES . With the option highlighted, press ENT to check it (turn on) and uncheck it (turn off.) After the option is set, press EXIT | EXIT to re- turn to the page display. Fill Land Gray From the Map Page, press MENU | ↓ to M AP D ATA | ENT . Pres ...

  • Lowrance electronic LMS-320 - page 161

    153 All datums are named. The GPS system is based on the WGS-84 da- tum, which covers the entire world. Other datums may also cover the entire world, or just a small portio n of it. By default, your position shows using the WGS-84 datum. Howe ver, it can show your position using one of 191 different datums. Different datums can be selected; to chan ...

  • Lowrance electronic LMS-320 - page 162

    154 Map Menu, left, Map Categories Drawn Menu, right. Map Orientation By default, this receiver shows the map with north always at the top of the screen. This is the way most ma ps and charts are printed on paper. Map orientation at left is shown in north up and at right, track up. This is fine if you're always trave ling due north. What you s ...

  • Lowrance electronic LMS-320 - page 163

    155 To change map orientation: from the Map Page, press MENU | ↓ to M AP O RIENTATION | ENT . Use ↑ or ↓ to select the desired mode, then press ENT . Press EXIT | EXIT to return to the page display. Map Menu, left; Map Orientation menu with the North Up map orientation option selected, right. Navionics  Charts Your LMS-320 can display Navi ...

  • Lowrance electronic LMS-320 - page 164

    156 2. From the Map Page, press MENU | ↓ to M AP D ATA | ENT | ↓ to M AP C HOICE | ENT . Use ↑ or ↓ to select the Map Name , then press ENT | EXIT | EXIT . These figures show menu sequence (from left to right) for selecting a Navionics chart for the South Chesapeake Bay area. 3. To turn off a Navionics chart, From the Map Page, press MENU | ...

  • Lowrance electronic LMS-320 - page 165

    157 Navionics chart showing Port Services icon selected by cursor. 3. To scroll through the Service Categories window: press ENT then use ↑ or ↓ to see the types of services available. As you highlight a different category, the list in the lower window changes. To return to the Map Page, press EXIT | EXIT . 4. The General Services category incl ...

  • Lowrance electronic LMS-320 - page 166

    158 When you zoom in to a sufficiently sm all zoom range, the icon itself be- comes an animated arrow showing tidal current velocity and direction for the selected tidal station at the present time. At larger zoom ranges, you can select the boxed " C " icon and it becomes an animated arrow wit h a pop -up na me bo x. An example is display ...

  • Lowrance electronic LMS-320 - page 167

    159 The Tidal Current Information screen displays daily tidal current data for this station on this date at th e present time. The graph at the top of the screen is an approximate view of the flood and ebb pattern for the day, from midnight (MN), to noon (NN) to midnight (MN). The velocity scale at the top left side of the graph changes dynamically ...

  • Lowrance electronic LMS-320 - page 168

    160 Navionics chart showing Tide Station icon selected by cursor. In the example above, the tide is at 2.8 feet and falling, as shown by the down arrow at the top of the icon. Tide Information screen. The Tide Information screen displays daily tidal data for this station on this date at the present time. The gr aph at the top of the screen is an ap ...

  • Lowrance electronic LMS-320 - page 169

    161 You can look up tidal data for othe r dates by changing the month, day and year selection boxes. To select another date: 1. Use → and ← to highlight month, day or year, then press ENT . 2. Use ↑ and ↓ to select the desired month, day or year, then press ENT . To clear the information screen, press EXIT . Pop-up Help Help is available fo ...

  • Lowrance electronic LMS-320 - page 170

    162 rate plot trail if you are moving around in a relatively small area. If you want to experiment with Position Pinning, the same instructions are used to turn the feature on (checked) and off (unchecked.) 1. Press MENU | MENU | ↓ to GPS S ETUP | ENT | ↓ to P OSITION P INNING | ENT . 2. Press EXIT | EXIT to return to the previous page. Reset O ...

  • Lowrance electronic LMS-320 - page 171

    163 GPS Setup command, left; Require DGPS command on the GPS Setup Menu, right. Screen Contrast and Brightness To access the Screen menu, press MENU | MENU | ENT . Once in the Screen menu: To adjust the display's contrast: The C ONTRAST slider bar is already selected. Press → or ← to move the bar. The left end of the scale is minimum contr ...

  • Lowrance electronic LMS-320 - page 172

    164 Display Mode menu. Set Language This unit's menus are available in 10 languages: English, French, Ger- man, Spanish, Italian, Danish, Sw edish, Russian, Dutch and Finnish. To select a different language: 1. Press MENU | MENU | ↓ to S YSTEM S ETUP | ENT . 2. Press ↓ to S ET L ANGUAGE … | ENT . 3. Use ↓ or ↑ to select a different l ...

  • Lowrance electronic LMS-320 - page 173

    165 The last field in this menu is C ONFIG DST . This feature allows your unit to automatically adjust with the ti me change caused by Daylight Sav- ing Time (you should only have to se t it once). You may select which set of rules matches DST in your regi on, or simply accept the default. Once you have each field set the way you want, press EXIT r ...

  • Lowrance electronic LMS-320 - page 174

    166 1. Press MENU | MENU | ↓ to S YSTEM S ETUP | ENT | ↓ to S OFTWARE I NFO | ENT . 2. Read the information displayed on the screen. 3. To return to the last page displayed, press EXIT | EXIT | EXIT . Sounds and Alarm Sound Styles Sounds triggered by key strokes and alarms can be adjusted: You first press MENU | MENU | ↓ to S OUNDS | ENT . So ...

  • Lowrance electronic LMS-320 - page 175

    167 Trail Options There are several options you can use wi th trails. Some affect all trails, other options can be applied to a pa rticular trail. You can change the way trails are updated, you can disp lay or hide trails, make them flash on the screen or not flash, create a new trail, delete a trail, etc. General Trail Options To access the Trails ...

  • Lowrance electronic LMS-320 - page 176

    168 it, the beginning points are taken away and placed at the end of the trail. From the Trails Menu, press → to O PTIONS | ENT | ↓ to U PDATE C RITERIA . Press → or ← to select criteria type | ENT . Trail Update Rate (Time, Distance) You can update a trail by time, with a range from 1 second to 9999 sec- onds; the default is 3 seconds. You ...

  • Lowrance electronic LMS-320 - page 177

    169 Trail Visible/Invisible and Other Trail Options The name, maximum number of points in the trail, activity, and visi- bility are all changed on the Edit Trail menu screen. The Active setting determines whether or not LMS-320 is recording new points for a par- ticular trail. On the Edit Trail menu, press ↓ or ↑ to highlight the section you wi ...

  • Lowrance electronic LMS-320 - page 178

    170 Notes ...

  • Lowrance electronic LMS-320 - page 179

    171 Section 9: Searching NOTE: The background map loaded in your unit lets you to search for U.S. Interstate Highway exits and exit services, as well as some land features, including cities and lakes. For a full set of searchable land features, including landmarks, str eets, addresses and Points of In- terest, you must load your own high-detail cus ...

  • Lowrance electronic LMS-320 - page 180

    172 Find Address Menu. 3. To enter an address number , press ↑ or ↓ to change the first number, then press → to move the cursor to the next number and re- peat until the number is correct, then press ENT . 4. To enter a street name , press ↓ to S TREET | ENT . There are two op- tions: A. You can spell out the name in the top selection box. ...

  • Lowrance electronic LMS-320 - page 181

    173 by pressing ENT , then press ↓ or ↑ to select a city name from the list, then press ENT . The city name you selected is now in the city field. NOTE: We recommend that you do not enter a city name unless the list you are given is too large when sea rching without it. LMS-320 can ac- tually search quicker without a ci ty and you save time by ...

  • Lowrance electronic LMS-320 - page 182

    174 8. To navigate to the address, press MENU | ENT | EXIT and LMS-320 will begin showing navigation information to the address pointed out by the cursor. If you are only looking up an address (not navigating), just press EXIT to return to the previous page. Tip: If the address also happens to be an item in the Point of Interest database, you can l ...

  • Lowrance electronic LMS-320 - page 183

    175 NOTE: Since the Go To Waypoint command is highlighted, you can navi- gate to the selected POI by pressing ENT | EXIT while in the POI Waypoint Information screen. Find Interstate Highway Exits 1. From the Map Page, press MENU | ↓ to H IGHWAY E XITS | ENT , which calls up the Find Exit menu. Find Highway Exits command, left, and Find Exit menu ...

  • Lowrance electronic LMS-320 - page 184

    176 3. Once you have selected a highway name you can then select an exit. Press ↓ to switch to the Exit List, then press ↓ or ↑ until you highlight the exit, then press ENT. Find Exit menu, with an exit selected in the Exit List. 4. In the Exit Information screen you have two choices. A. Press ENT to navigate or "go to" the exit. B. ...

  • Lowrance electronic LMS-320 - page 185

    177 Exit Information screen, left; general location and amenities information, at right. Find Map Places or Points of Interest (POI) 1. Press WPT , press ↓ or ↑ to select a map place or POI category, then press ENT . (To narrow your search, press → then press ↓ or ↑ to s el ec t a subcategory before pressing ENT .) You will be given two o ...

  • Lowrance electronic LMS-320 - page 186

    178 Find by nearest option, left, Calculating screen, center, POI list, right. 3. Search by name of POI. Press ENT . There are two options: A. You can spell out the POI in the top selection box. Press ↑ or ↓ to change the first letter, then press → to move the cursor to the next letter and repeat until the name is correct, then press ENT | EN ...

  • Lowrance electronic LMS-320 - page 187

    179 "Go To" POI option, left, "Find on Map" POI option, right. Find Streets or Intersections Find a Street 1. From the Map Page, press MENU | ↓ to F IND S TREETS | ENT and the Find Streets Menu appears. Find Streets command, left, Find Streets menu, right. 2. You must first fill in a street name in the First Street dialog box. ...

  • Lowrance electronic LMS-320 - page 188

    180 Find Street By Name menu. Spell out name in the top box, or select from the list in the lower box. 3. The Find Streets menu reappears wi th the street you're searching for in the First Street box. (In this exam ple, it's 80th Street.) To search for that street, press ↓ to F IND F IRST S TREET | ENT . A message appears asking you to ...

  • Lowrance electronic LMS-320 - page 189

    181 Map Page showing results of a street search. The cursor points to the located street. If you want to navigate to the found street at the cursor location, just press MENU | ENT | EXIT . Find an Intersection You must enter one street in the Firs t Street dialog box and enter the next street in the Second Street dialog box. 1. From the Map Page, p ...

  • Lowrance electronic LMS-320 - page 190

    182 ond street from the selection list . Press ENT , then press ↓ or ↑ to se- lect a street from the list and press ENT . 5. The Find Streets menu reappears with the first and second street dialog boxes filled in. In this example, we selected 71st Street as our second street. You could now use sim ilar techniques to select a city or Zip code, b ...

  • Lowrance electronic LMS-320 - page 191

    183 If you want to navigate to th e found intersection, just press MENU | ENT | EXIT . Find Waypoints 1. Press WPT | ENT . 2. If searching for the waypoint By Name , press ENT . If searching for the Nearest waypoint, press ↓ to N EAREST | ENT . (To search by name, jump to step 5 below.) Find Waypoint menu, left; Find By Nearest command, center, F ...

  • Lowrance electronic LMS-320 - page 192

    184 pears with the cursor highlighting the found waypoint. Waypoint Information screens with the Go To Waypoint command se- lected, left, and the Find on Map command selected, right. To clear these menus and return to the previous page, press EXIT re- peatedly. 5. If you're looking by name , there are two options: A. You can spell out the name ...

  • Lowrance electronic LMS-320 - page 193

    185 Section 10: Supplemental Material Datums Used by This Unit WGS 1984 Default Adindan Mean for Ethiopia, Sudan Adindan Burkina Faso Adindan Cameroon Adindan Ethiopia Adindan Mali Adindan Senegal Adindan Sudan Afgooye Somalia Ain el Abd 1970 Bahrain Ain el Abd 1970 Saudi Arabia Anna 1 Astro 1965 Cocos Islands Antigua Island Astro 1943; Antigua (Le ...

  • Lowrance electronic LMS-320 - page 194

    186 DOS 1968 New Georgia Islands (Gizo Island) Easter Island 1967 Easter Island European 1950 Mean for Austria, Belgium, Denmark, Finland, France, West Germany, Gibraltar, Greece, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland European 1950 Mean for Austria, Denmark, France, West Germany, Netherlands, Switzerland Europ ...

  • Lowrance electronic LMS-320 - page 195

    187 North American 1927 Mean for CONUS (Continental United States) North American 1927 Mean for CONUS (East of Mississippi River) including Louisiana, Missouri, Minnesota North American 1927 Mean for CONUS (West of Mississippi River) North American 1927 Alaska North American 1927 Bahamas (Except San Salvador Island) North American 1927 Bahamas (San ...

  • Lowrance electronic LMS-320 - page 196

    188 Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Trinidad & Tobago, and Venezuela South American 1969 Argentina South American 1969 Bolivia South American 1969 Brazil South American 1969 Chile South American 1969 Colombia South American 1969 Ecuador South American 1969 Ecuador (Baltra, Galapagos) South American 1969 Guyana ...

  • Lowrance electronic LMS-320 - page 197

    189 FCC Compliance This device complies with Part 15 of the U.S. Federal Communications Commission (FCC) Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or mod ...

  • Lowrance electronic LMS-320 - page 198

    190 Notes ...

  • Lowrance electronic LMS-320 - page 199

    191 LOWRANCE DATABASES LICENSE AGREEMENT THIS IS A LEGAL AGREEMENT BETWEEN THE END-USER WHO FIRST PURCHASES THIS PRODUCT AS A CONSUMER ITEM FOR PERSONAL, FAMILY, OR HOUSEHOLD USE ("YOU") AND LOWRANCE ELECTRONICS, INC., THE MANUFACTURER OF THIS PRODUCT ("WE", "OUR", OR "US"). USING THE PRODUCT ACCOMPANIED BY T ...

  • Lowrance electronic LMS-320 - page 200

    192 DATABASES LIMITED WARRANTY "We", "our", or "us" refers to Lowrance Electronics, Inc., the manufacturer of this product. "You" or "your" refers to the first person who purchases the product as a consumer item for personal, family, or household use. The Databases Limited Warranty applies to the on ...

  • Lowrance electronic LMS-320 - page 201

    193 LOWRANCE ELECTRONICS FULL ONE-YEAR WARRANTY "We," "our," or "us" refers to LOWRAN CE ELECTRONICS, INC ., the manufacturer of this product. "You" or "your" refers to the first person who purchases this product as a consumer item for personal, family or household use. We warrant this product again ...

  • Lowrance electronic LMS-320 - page 202

    194 How to Obtain Service… …in the USA: We back your investment in quality pr oducts with quick, expert service and genuine Lowrance parts. If you' re in the United States and you have technical, return or repair qu estions, please contact the Factory Customer Service Department. Before any product can be returned, you must call customer s ...

  • Lowrance electronic LMS-320 - page 203

    Accessory Ordering Information for all countries To order Lowrance GPS accessories such as computer cables or MMC cards, please contact: 1) Your local marine dealer or consumer electronics store. Most quality dealers that handle marine electr onic equipment or other consumer electronics should be able to assist you with these items. To locate a Low ...

  • Lowrance electronic LMS-320 - page 204

    Visit our web site: Lowrance Pub. 988-0105-971 © Copyright 2002 All Rights Reserved Printed in USA 102502 Lowrance Electronics, Inc. ...

Manufacturer Lowrance electronic Category Marine GPS System

Documents that we receive from a manufacturer of a Lowrance electronic LMS-320 can be divided into several groups. They are, among others:
- Lowrance electronic technical drawings
- LMS-320 manuals
- Lowrance electronic product data sheets
- information booklets
- or energy labels Lowrance electronic LMS-320
All of them are important, but the most important information from the point of view of use of the device are in the user manual Lowrance electronic LMS-320.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Lowrance electronic LMS-320, service manual, brief instructions and user manuals Lowrance electronic LMS-320. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Lowrance electronic LMS-320.

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A complete manual for the device Lowrance electronic LMS-320, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Lowrance electronic LMS-320 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Lowrance electronic LMS-320.

A complete Lowrance electronic manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Lowrance electronic LMS-320 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Lowrance electronic LMS-320, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Lowrance electronic LMS-320, that we can find in the current document
3. Tips how to use the basic functions of the device Lowrance electronic LMS-320 - which should help us in our first steps of using Lowrance electronic LMS-320
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Lowrance electronic LMS-320
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Lowrance electronic LMS-320 in a specific country, if it was not possible to solve the problem on our own.

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