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Humminbird 997c Combo - page 1
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Humminbird 997c Combo - page 2
T hank Y ou! Thank y ou for choosing Humminbird®, America's #1 name in fishfinder s. Humminbird® has built its reputation b y designing and man ufacturing top-quality , thoroughly reliable marine equipment. Y our Humminbird® is designed for tr ouble-free use in even the har shest marine environment. In the unlik ely event that your Humminbi ...
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Humminbird 997c Combo - page 3
T able of Contents ii 900 Series™ Introduction 1 How the 900 Series™ W orks ................................................................................................ 1 High Definition Side Imaging Sonar ...................................................................................... 2 DualBeam PLUS™ Sonar ........................ ...
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Humminbird 997c Combo - page 4
T able of Contents iii Vi ew s 38 V iews and Readouts ............................................................................................................. .3 9 Side Imaging V iew .............................................................................................................. .. 39 Sonar V iew ................................. ...
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Humminbird 997c Combo - page 5
T able of Contents iv Side Imaging X -Press™ Menu 74 Active Side.................................................................................................................... .......... 74 Split Position ................................................................................................................. ......... 74 SI Side ... ...
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Humminbird 997c Combo - page 6
T able of Contents v 455 kHz Sensitivity (Advanced, with optional-purchase Quadr aBeam PLUS™ transducer only) ...... 89 Depth Lines (Advanced) ........................................................................................................ 90 Surface Clutter (Advanced) ...................................................................... ...
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Humminbird 997c Combo - page 7
T able of Contents vi Units - Speed (with Speed input only) ................................................................................ 109 User Mode...................................................................................................................... ...... 110 Language (International only) .................................... ...
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Humminbird 997c Combo - page 8
900 Series™ Introduction Y our 900 Series™ Ultra Wide Screen Fishing System comes in the f ollowing configuration: • Humminbird® 997c Combo: Ultra Wide Screen F ishing System with Chartplotter (Maps) and Side Imaging and Dual Frequency T ransducer , GPS Receiver included. How Sonar W orks Sonar technology is based on sound wav es. The 900 Se ...
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Humminbird 997c Combo - page 9
The sound pulses ar e transmitted at various frequencies depending on the application. V ery high frequencies (455 kHz) are used for greatest definition but the operating depth is limited. High frequencies (200 kHz) are commonly used on consumer sonar and provide a good balance betw een depth performance and resolution. Lo w frequencies (83 kHz) ar ...
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Humminbird 997c Combo - page 10
DualBeam PLUS™ Sonar Y our 900 Series™ Fishing System uses a 200/83 kHz DualBeam PLUS™ sonar system with a wide (60°) area of cov erage. DualBeam PLUS™ sonar has a narro wly focused 20° center beam, surrounded b y a second beam of 60°, expanding your cover age to an area equal to your depth. In 20 feet of water , the wider beam covers an ...
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Humminbird 997c Combo - page 11
Univer sal Sonar 2 Y our 900 Series™ Fishing System supports Universal Sonar 2, a state-of-the- art, integrated and protected tr ansducer that is built into the lower unit of Minnkota trolling motor s. With Univer sal Sonar 2, all wiring is concealed inside the indestructible composite shaft—out of sight and out of harm’s way , with no clamps ...
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Humminbird 997c Combo - page 12
The f ollowing GPS functionality is currently supported b y the 900 Series™ Fishing System when it is connected to the included GPS receiv er: • V iew current position • V iew current tr ack (breadcrumb trail) • V iew precision speed and heading fr om your GPS receiv er • Save tr acks, waypoints and routes • T ravel a r oute and navigat ...
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Humminbird 997c Combo - page 13
Accessory Bus Use the Accessory Bus to expand the functionality of your 900 Series™. Accessories plug directly into the 900 Series™, enabling Advanced featur es such as W eatherSense® and the SmartCast® Wireless Sonar Link. Additional tabs and menu choices will be added to the menu system automatically when an accessory is plugged into the un ...
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Humminbird 997c Combo - page 14
Inside the boat there is often a channel or conduit used for other wiring, this can be used to route cables. Be sure to r oute the cable as far as practical from the antenna cable of VHF radios or tachometer cables to r educe the possibility of interference. T he transducer and GPS receiver cables should not be cut, and care should be used not to d ...
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Humminbird 997c Combo - page 15
1. Place the control head into the gimbal brack et. Make sure that the straight side of the gimbal arm is against the back side of the control head. 2. Place a 1" (25 mm) diameter black washer on the gimbal knob and then thread the knob and washer into the housing. T ighten the gimbal knob to secure the 900 Series™ control head to the mount. ...
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Humminbird 997c Combo - page 16
5. Set the gimbal bracket aside and drill the f our mounting screw holes using a 5/32" (4.0 mm) drill bit. 6a. If the cables must pass through a hole directly beneath the mounting bracket, mark and drill an additional 1" (25 mm) hole centered between the f our mounting holes. Route the cables through the 1" hole. Place the hole cov e ...
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Humminbird 997c Combo - page 17
9. Insert cable connectors into the proper r ecesses on the cable collector insert. The cable connector s are ke yed to pre vent re verse installation, so be careful not to for ce the connectors into the wrong slots. If you don’t hav e a cable for every hole in the insert, install the blank plugs to protect the control head fr om the weather . 1 ...
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Humminbird 997c Combo - page 18
10. While holding cables in place in the cable collector insert, thread the cables through the slot in the bottom of the cable collector cover , line up the cable collector insert and cover , then slide the cover into place on the insert. NO TE: The tab on the Cable Collector insert goes into the slot on the cover . 10. Attach the cable collector i ...
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Humminbird 997c Combo - page 19
Connecting the Control Head P ower Cable to the Boat A 6' (2 m) long power cable is included to supply po wer to the control head. Y ou may shorten or lengthen the cable using 18 gauge multi-stranded copper wire. CA UTION: Some boats have 24 or 36 V olt electric systems, but the control head MUST be connected to a 12 VDC power supply . The con ...
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Humminbird 997c Combo - page 20
T ransducer Installation Ther e are two diff erent installation methods for y our transducer: • T ransom T ransducer • T rolling Motor T ransducer . Find the section that describes the method of installation you will be using. NO TE: If the included transducer will not work f or your application, you may exchange it, NEW and UNASSEMBLED, with m ...
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Humminbird 997c Combo - page 21
T ransom T ransducer Installation If you will be installing a transom mounted tr ansducer , use the procedures in this section. Ther e are two pieces to the tr ansducer mount assembly: the pivot, and the brack et. Y our transducer comes with a two-piece metal and plastic bracket assembly . There ar e sever al procedures you will ha ve to perform in ...
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Humminbird 997c Combo - page 22
• The h ydrodynamic shape of your tr ansducer allows it to point straight down without deadrise adjustment. • On boats with stepped hulls, it may be possible to mount the trans- ducer on the step. Do not mount the transducer on the transom behind a step to avoid popping the tr ansducer out of the water at higher speeds; the transducer must rema ...
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Humminbird 997c Combo - page 23
5. Align the metal mounting bracket with the mounting holes. The center slot should be above the tw o outer slots. (This br acket and all other hardwar e supplied is top quality stainless steel for maximum strength and corrosion protection.) Insert the thr ee 1" (25 mm) flat head wood screws into the drilled holes, but do not completely tighte ...
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Humminbird 997c Combo - page 24
T o mount the transducer pivot assembly to the bracket : 1. Slide the assembled transducer into the metal brack et from the bottom, aligning the large hole at the top of the brack et with the hole in the pivot. 2. Insert the headed pin through the pivot holes in the br acket and pivot. T he headed pin can be inserted from either side of the bracket ...
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Humminbird 997c Combo - page 25
3. Adjust the height of the assembly so the face of the transducer is 1/8" (3 mm) to 1/4" (6 mm) beneath the bottom of the transom, and fully tighten the three mounting scre ws. 4. In order to gain access to the mounting scre ws, the transducer assembly must be pivoted up in the bracket as sho wn. Be careful not to alter the running angle ...
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Humminbird 997c Combo - page 26
3. Place the escutcheon plate over the cable hole and use it as a guide to mark the two escutcheon plate mounting holes. Remove the plate, drill two 9/64" (3.5 mm) holes, then fill both holes with marine-grade silicone sealant. Place the escutcheon plate over the cable hole and attach with two #8 x 5/8" (16 mm) wood scre ws. 4. Route and ...
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Humminbird 997c Combo - page 27
T est and Finish the T ransducer Installation When you ha ve installed both the control head, the tr ansducer , and accessories and have r outed all the cables, you must perform a final test before locking the tr ansducer in place. T esting should be performed with the boat in the water , although you can initially confirm basic operation with the ...
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Humminbird 997c Combo - page 28
GPS Receiver Installation T o optimize performance of the GPS receiv er , mount it in an area that has full exposure to the sky . The effectiv e area of reception is 10° abo ve the horizon. Different cir cumstances determine the mounting method appropriate for your GPS receiv er . If you have… Then use: The pinouts of the pigtail cable ar e as f ...
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Humminbird 997c Combo - page 29
3. Use electrical tape to secure the NMEA pigtail to the cable as shown. NO TE: Leave the NMEA pigtail secur ed to the cable unless needed. This will make remo ving the receiv er easier . 4. Route the GPS receiver cable through the stem and continue with the planned route you chose in step 1. 5. Attach the GPS receiver to its base using the include ...
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Humminbird 997c Combo - page 30
No Access Under Mounting Location Follow these steps to deck mount the GPS r eceiver in a situation where y ou must route the cable to the side because there is no space f or a cable underneath the mounting location. 1. Determine the best location, then test route the cable from the mounting location to the control head. NO TE: AS-EC10 10' ext ...
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Humminbird 997c Combo - page 31
T esting the System Installation After you hav e completed the installation of the control head, transducer , and any other accessories such as the GPS receiv er , and have made all the cabling connections required, y ou must test the installation before using the system. Thor ough testing should be performed with the boat in the water; howe ver , ...
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Humminbird 997c Combo - page 32
Getting Started - Using Y our 900 Series™ Y our 900 Series™ Fishing System user interface is easy to use. A combination of keys, diff erent views, and situation-specific, customizable menus allows you to contr ol what you see on the color display . Refer to the following illustr ation, and see Ke y Functions , Vie ws , and T he Menu System ) fo ...
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Humminbird 997c Combo - page 33
What’s On the Sonar Displa y The 900 Series™ can displa y a variety of useful information about the ar ea under and adjacent to your boat, including the follo wing items: Sonar Color Bar - color spectrum indicating low to high sonar intensity returns, where red indicates high intensity and white indicates low intensity . Depth - water depth; ca ...
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Humminbird 997c Combo - page 34
Understanding Sonar History It is important to understand the significance of the 900 Series™ display . The display does NO T show a literal 3-dimensional r epresentation of what is under the water . Each vertical band of data received b y the control head and plotted on the display repr esents something that was detected by a sonar return at a p ...
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Humminbird 997c Combo - page 35
Sonar Bottom Presentation As the boat moves, the unit charts the changes in depth on the displa y to create a profile of the Bottom Contour . T he type of bottom can be determined from the return charted on the displa y . A Hard Bottom such as compacted sediment or flat rock appears as a thinner line acr oss the display . A Soft Bottom such as mud ...
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Humminbird 997c Combo - page 36
Understanding Side Imaging It is important to understand how Side Imaging technology pr oduces the display av ailable on the 900 Series™. The images y ou see on the display are produced using sonar technology . The special transducer produces thr ee distinct beams – one beam facing down and tw o beams pointing out to the side. These “side bea ...
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Humminbird 997c Combo - page 37
What’s on the Side Imaging Displa y Side Imaging displays a number of easily recognizable f eatures that allow f or accurate interpretation of bottom contour and structur e. For Side Imaging, the bottom composition determines the intensity of the sonar return. For example, r ock and grav el provide a clear er sonar return than mud and sand becaus ...
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Humminbird 997c Combo - page 38
Side Imaging T echnology: Ho w it works Side Imaging sonar uses two very pr ecise sonar beams that are directed to either side of the boat and “illuminate” the bottom contour , structure, and fish, and display results in a “pictur e-like” image. • Side beams are extremely narr ow from front to back, and pr ovide “thin slices” of the b ...
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Humminbird 997c Combo - page 39
Boat navigation: It is important to understand that when the boat turns, successive beam strips to one side will begin to ov erlap and the strips on the other side will fan out, pro viding some distortion to the image. Because of this, the best imaging performance is produced b y straight line navigation and minimal side-to-side boat motion (i.e. w ...
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Humminbird 997c Combo - page 40
Submerged Standing and Fallen T imber, Plus Bait Fish Bait fish 1 1 Submerged Swimming P ool Swimming pool 1 1 Standing and fallen timber 2 2 Submerged Bridge: A Closer P erspective Submerged Bridge 1 1 Submerged Bridge, Alternative P erspectiv e Submerged Bridge 1 1 33 ...
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Humminbird 997c Combo - page 41
Ke y Functions Y our 900 Series™ user interface consists of a set of easy-to-use keys that work with various on-scr een views and menus to give you flexibility and control ov er your fishing experience. Y our control head has the following k eys: • POWER/LIGHT key • EXIT key • VIEW key • 4-W A Y Cursor Control ke y • MENU key • VIEW P ...
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Humminbird 997c Combo - page 42
T o adjust the backlight or to adjust the display background color , press the POWER/LIGHT key to access the Light and Background menu. Use the 4-W AY Cur sor key to select Light or Backgr ound and then use the LEFT or RIGHT Cursor ke y to change the settings. Press EXIT to exit the Light and Background menu. Press and hold the POWER/LIGHT ke y for ...
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Humminbird 997c Combo - page 43
4-W A Y Cursor Control K ey The 4-W A Y Cursor Control Key has multiple functions, depending on the situation: Fr eeze Fr ame - Pressing any arr ow on the 4-W A Y Cursor Control ke y will freeze the displa y in the Sonar V iew and a cursor and cur sor dialog box will be displayed. T he cursor can be positioned on the Sonar Vie w using the 4- W A Y ...
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Humminbird 997c Combo - page 44
INFO Ke y Press the INFO ke y while in any navigation view to displa y information about objects that are near est to an active cursor . If the cursor is not active, the f ollowing menu will be displayed. Use the 4-W A Y Cursor Control k ey to select Nearest P ort, Nearest T ide Station or Nearest Current Station, then use the RIGHT Cursor k ey to ...
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Humminbird 997c Combo - page 45
ZOOM (+/-) Ke y Press the - or + ZOOM k eys while in any of the Na vigation V iews or the Sonar Zoom V iew to change the scale of the view to appear closer or farther aw ay . Press the - or + ZOOM k eys while in the Side Imaging V iew to change the scale of the view . The cursor must be activ e for zoom to work in the Side Imaging V iew . Vi ews Th ...
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Humminbird 997c Combo - page 46
V iews and Readouts All views hav e an Information Bar on the left side of the screen, consisting of readouts that are stack ed vertically , and that change from view to vie w . Y ou can customize the information displayed in individual r eadouts on many views, including suppressing a particular r eadout so that nothing is displayed; the ability to ...
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Humminbird 997c Combo - page 47
Sonar V iew Sonar V iew presents a historical log of sonar returns. The most r ecent sonar returns are charted on the right side of the windo w; as new information is received, the older inf ormation is moved across the displa y to the left. A scale with Upper and Lower Depth Range r eadouts appears along the right edge of the Sonar V iew . The sca ...
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Humminbird 997c Combo - page 48
Sonar Zoom V iew Sonar Zoom V iew increases the displayed r esolution to separate sonar returns that are v ery close together , such as those caused by fish suspended close to the bottom or within structure. In Zoom V iew , the display is split to show a narro w slice of the full range view on the right and the zoomed vie w on the left. The full r ...
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Humminbird 997c Combo - page 49
Split Sonar V iew Split Sonar V iew displays sonar returns from the 83 kHz wide beam on the left side of the screen and displays sonar r eturns from the 200 kHz narrow beam on the right side of the screen. Y ou can use the Split Sonar V iew to make side by side comparisons betw een the sonar returns from the 83 kHz wide beam and the 200 kHz narrow ...
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Humminbird 997c Combo - page 50
Side/Sonar Combo V iew Side/Sonar Combo V iew shows r egular sonar information and side imaging sonar information in a combination split screen. Y ou can perform any of the functions for either of these views, but only when the vie w you want to control is selected as the active side (see Sonar X -Press™ Menu: Active Side or Side Imaging X -Press ...
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Humminbird 997c Combo - page 51
Snapshot and Recording V iew Snapshot and Recording V iew displays and allows you to view both scr een snapshot thumbnails and recording icons captur ed to an optional-purchase MMC/SD card installed in your unit. In addition, when y ou are in the Snapshot and Recording V iew , Start Recording, Stop Recor ding, Delete Image, Delete All Images, Delet ...
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Humminbird 997c Combo - page 52
Screen Snapshot: When Scr een Snapshot is enabled (from the Accessories menu tab), pressing the MARK ke y creates a saved scr een capture (when you hav e an optional-purchase MMC/SD card installed). Once you ha ve created a screen captur e, a screen capture thumbnail is added to the Snapshot and Recording V iew , and is av ailable to view at a late ...
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Humminbird 997c Combo - page 53
4. Stopping a recording using the Snapshot and Recor ding X -Press™ menu. 5. Playing back a recor ding, using the Snapshot and Recording V iew and the 4-W ay Cursor k eys, and changing the playback speed using the Snapshot and Recording X -Press™ menu. 6. Deleting a recording using the Snapshot and Recor ding X -Press™ menu. For more inf orma ...
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Humminbird 997c Combo - page 54
Playing back a recor ding: Highlight a recor ding icon (using the Up or Down 4-W ay Cursor k eys), then use the Right 4-W ay Cursor key to start pla yback. During playback, all active na vigation is cancelled, all other thumbnails and icons will disappear , and a "Playback" message box similar to the Simulation message will be displayed p ...
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Humminbird 997c Combo - page 55
Side Beam V iew (only with optional-purchase QuadraBeam PL US™ transducer) Side Beam V iew is only available if you ha ve connected a QuadraBeam™ transducer accessory and when T ransducer Select is set to QuadraBeam (see Sonar Menu T ab: T ransducer Select ). T his view shows sonar information from both the left and right 455 kHz beams and the ...
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Humminbird 997c Combo - page 56
Classic layout: T he top portion of the display presents a historical log of sonar returns from the 200 kHz do wn-looking sonar beam. New information in the down beam panel scrolls fr om right to left. The bottom portion of the display presents a historical log of sonar r eturns from the 455 kHz right - and left-looking sonar beams. Ne w informatio ...
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Humminbird 997c Combo - page 57
Bird’s Ey e V iew Bird's Eye V iew shows a 3D perspectiv e view of the track and the chart land contour from a point abov e and behind the boat (the eye point). As the boat turns, the eye point mo ves to follow the boat. Big Digits on this view provide digital data in a large, easy-to-see f ormat. When you pr ess the 4-W A Y Cursor key in th ...
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Humminbird 997c Combo - page 58
Chart/Bird’s Ey e Combo V iew Chart/Bird’s Eye Combo V iew sho ws both the Chart and Bird’s Eye views in a combination split screen. Y ou can perform any of the functions for either of these views, but only when the view y ou want to control is selected as the active side (see Sonar X -Press™ Menu: Active Side or Navigation X -Press™ Menu ...
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Humminbird 997c Combo - page 59
Chart/Chart Combo V iew Chart/Chart Combo V iew shows two v ersions of the Chart view in a combination split screen, so that you can see the position of the boat on one side while you zoom in or perf orm other functions on the other . Y ou can perform any of the functions f or the Chart view , but only on the side of the view you ha ve selected as ...
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Humminbird 997c Combo - page 60
Chart V iew Chart V iew shows cartogr aphy from the built -in UniMap™ or an optional MMC/SD map for the area surr ounding your current position. T he current track (also known as the position history or br eadcrumb trail) showing where the boat has been, along with saved tr acks, waypoints, and the current r oute (when navigating), are o verlaid ...
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Humminbird 997c Combo - page 61
Chart/Sonar Combo V iew Chart/Sonar Combo V iew shows both the Chart and Sonar vie ws in a combination split screen. Y ou can perform any of the functions for either of these views, but only when the view y ou want to control is selected as the active side (see Sonar X -Press™ Menu: Active Side or Navigation X -Press™ Menu: Active Side for mor ...
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Humminbird 997c Combo - page 62
Chart/Side Combo V iew Chart/Side Combo V iew shows r egular chart information and side imaging sonar information in a combination split screen. Y ou can perform any of the functions for either of these views, but only when the vie w you want to control is selected as the active side (see Na vigation X -Press™ Menu: Active Side or Side Imaging X- ...
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Humminbird 997c Combo - page 63
Chart Orientation All the chart views allow y ou to choose the orientation of the chart. When North-Up orientation is selected, T rue North is shown at the top of the display . In other words, objects located to the north of the boat are drawn above the boat. W hen Course-Up orientation is selected, the direction of motion of the boat is shown at t ...
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Humminbird 997c Combo - page 64
NO TE: The built -in UniMap™ does not contain any Port, Tide or Curr ent information. This information is only a vailable fr om optional-purchase MMC/SD cards. Nearest P ort: The position and services information for the near est port to your present position will be displa yed. Press the EXIT ke y to remov e the information box and the Bullsey e ...
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Humminbird 997c Combo - page 65
W aypoints, Routes and T racks W aypoints are stored positions that allo w you to mark areas of interest or navigation points. Y our 900 Series™ can store up to 3000 waypoints. Routes link two or more w aypoints together to create a path for na vigation, and are used in trip planning. Y ou can link individual waypoints together by using the GOT O ...
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Humminbird 997c Combo - page 66
Sav e, Edit, or Delete a W aypoint Save y our current position as a w aypoint: On any view , press the MARK key to sa ve the current position of the boat as a wa ypoint. Save the cur sor position as a wa ypoint: On the Chart or Combo view , use the Cursor ke y to designate the position you want to sav e as a waypoint. T hen press the MARK key to sa ...
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Humminbird 997c Combo - page 67
Navigate to a W aypoint or P osition Navigate to the cursor position: F rom an y Chart or Combo view , use the Cursor ke y to select a position or waypoint to which y ou want to navigate. Press the GO T O key . Navigation will begin immediately . Navigate to a specified wa ypoint: Press the GOT O key , then choose the waypoint to which y ou would l ...
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Humminbird 997c Combo - page 68
61 Add or Remove a T rolling Grid: From the W aypoints submenu (accessed from the Navigation main menu), select Grid and press the RIGHT Cur sor key to display a list of waypoints. Select the w aypoint to which you w ant to add the grid. The trolling grid will appear on all of the navigation vie ws, and can be used as a guide when trolling around a ...
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Humminbird 997c Combo - page 69
Route Info: From the Routes submenu, select Info and pr ess the RIGHT Cursor ke y . A list of saved routes will appear . Select the route for which you want information, and pr ess the RIGHT Cursor key . The list of w aypoints in the route will be shown, with the distance and bearing fr om each waypoint to the next, as well as the distance and bear ...
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Humminbird 997c Combo - page 70
Man Overboar d (MOB) Navigation As soon as you know that y ou have a man ov erboard, you should activ ate MOB navigation to maximize chances f or a successful rescue. MOB navigation allows y ou create an MOB wa ypoint to locate the point at which your man went o verboard, and the relation of the boat to that point. W hen MOB is activated, an MOB wa ...
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Humminbird 997c Combo - page 71
T he Menu System The menu system is divided into easy -to-use menu modules. T he main components of the menu system are: Start-Up Options Menu: Press the MENU k ey during the pow er up sequence to view the Start -Up Options menu. See Start-Up Options Menu . X-Pr ess™ Menu: The X -Press™ Menu allows you to access the settings that ar e changed f ...
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Humminbird 997c Combo - page 72
T otal Screen Update: when you change any menu settings that aff ect the Sonar V iew , the view will update immediately (i.e. you don’t ha ve to exit the menu to apply the change to the screen). Start -Up Options Menu Press the MENU ke y when the Title scr een is displayed to access the Start - Up Options menu. Use the UP or DOWN 4-W A Y Cursor k ...
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Humminbird 997c Combo - page 73
Normal Operation Use Normal operation for on-the-water oper ation with a transducer connected. In addition, your 900 Series™ uses advanced tr ansducer detection methods to determine if a transducer is connected. If a functioning transducer is connected, Normal operation will be selected automatically at power up and y our 900 Series™ can be use ...
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Humminbird 997c Combo - page 74
Self T est Self T est displays results fr om the internal diagnostic self test, including unit serial number , Printed Circuit Board (PCB) serial number , software revision, total hours of operation and the input v oltage. Accessory T est Accessory T est lists the accessories connected to the system. NO TE: The speed accessory will be detected only ...
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Humminbird 997c Combo - page 75
GPS Diagnostic V iew GPS Diagnostic V iew , which is only av ailable when a GPS Receiver is attached to you 900 Series, shows a sk y chart and numerical data from the GPS receiver . The sky chart shows the location of each visible GPS satellite with its satellite number and a signal strength bar . A dark grey bar indicates that the satellite is bei ...
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Humminbird 997c Combo - page 76
Sonar X-Pr ess™ Menu The Sonar X -Press™ Menu provides access to the settings most frequently used. Press the MENU key once while in an y of the Sonar V iews to access the Sonar X -Press™ Menu. NO TE: Menu choices will vary depending on system settings such as whether the unit is set for Advanced User mode. NO TE: Quad Layout only appears in ...
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Humminbird 997c Combo - page 77
Split P osition Split P osition allows you to adjust what percentage of the screen is tak en up by the left side of any Combo V iew; each view may be adjusted independently ; you must be in a specific view to adjust the screen size f or that view . The number setting indicates the percentage taken up b y the left side of the Combo V iew; selecting ...
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Humminbird 997c Combo - page 78
Upper Range (Advanced: Sonar , Split Sonar and Active Sonar Side Vie ws only) Upper Range sets the shallo west depth range that will be display ed on the Sonar , Split Sonar and Active Sonar Side V iews. T he Upper Range menu choice is available when User Mode is set to Adv anced (see Setup Menu T ab: User Mode ) and can only be accessed from the S ...
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Humminbird 997c Combo - page 79
Chart Speed Chart Speed determines the speed at which the sonar information mov es across the display , and consequently the amount of detail shown. A faster speed sho ws more information in the Sonar V iews and is pref erred by most angler s; howe ver , the sonar information moves acr oss the display quickly . A slower speed keeps the information ...
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Humminbird 997c Combo - page 80
Bottom Lock (Sonar Zoom Vie w only) Bottom Lock changes the mode of the Zoomed vie w in the Sonar Zoom V iew . T o turn on Bottom Lock: 1. In the Sonar Zoom V iew , highlight Bottom Lock on the Sonar X -Press™ Menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the Bottom Lock setting to on. (Off, On, Def ault = Off). Bottom Ran ...
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Humminbird 997c Combo - page 81
Side Imaging X-Pr ess™ Menu (Side Imaging Vie ws only) The Side Imaging X-Press™ Menu provides access to the settings most frequently-used. Press the MENU ke y once while in any of the Sonar V iews to access the Side Imaging X -Press™ Menu. Active Side Active Side allows you to select which side of a Combo V iew will be active; k ey presses w ...
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Humminbird 997c Combo - page 82
SI Side SI Side sets which transducer beam from the SI beams will be shown on the display . T o Adjust SI Side: 1. Highlight SI Side on the Side Imaging X -Press™ Menu. 2. Use the RIGHT 4-W A Y Cursor Control key to select the transducer beam (Left, Both, Right, Default = Both) SI Sensitivity SI Sensitivity contr ols how much detail is shown on t ...
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Humminbird 997c Combo - page 83
SI Colors SI Colors allows you to select which color palette you would lik e to use for the display . T o change the SI Color s: 1. Highlight SI Colors on the Side Imaging X-Pr ess™menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the color palette. (Inver se, Gray , Brown, Blue, Green, Default = Blue) Navigation X -Press™ M ...
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Humminbird 997c Combo - page 84
Active Side Active Side allows you to select which side of a Combo V iew will be active; k ey presses will only aff ect the active side of the screen. When a menu is displa yed, the non-active side of the scr een will be gray ed out; at any other time, a green arro w will point to the active side. Combo V iews usually display sonar on the left, wit ...
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Humminbird 997c Combo - page 85
T arget allows you to apply a tar get to a waypoint selected fr om the list of waypoints. Grid allows you to apply a tr olling grid to a waypoint selected from the list of waypoints. Cursor to W aypoint (Chart or Combo view only) Cursor to W aypoint allows you to quickly move the cursor to an y saved waypoint, so that y ou can locate it or edit it. ...
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Humminbird 997c Combo - page 86
Sav e Current Route (Only when navigating) Save Curr ent Route allows you to sav e the current route being display ed. This menu choice will only appear when y ou are currently na vigating a route. T o Sa v e Curr ent Route: 1. Highlight Save Current Route on the Navigation X -Press™ Menu. 2. Use the RIGHT 4-WA Y Cursor Control key to initiate sa ...
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Humminbird 997c Combo - page 87
Remov e T arget (Only if a T arget is active) Remove T arget remo ves the wa ypoint target from the displa y . This menu choice will only appear when a target has already been applied to a waypoint. T o Remove a T ar get: 1. Highlight Remove T arget on the Navigation X -Press™ Menu. 2. Use the RIGHT 4-WA Y Cursor Control ke y to remov e the targe ...
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Humminbird 997c Combo - page 88
Delete allows you to delete a waypoint from the list of sa ved wa ypoints. Go T o allo ws you to select a waypoint and start na vigation towar d that waypoint, or add that w aypoint to the end of the current route. T arget allows you to apply a tar get to a waypoint selected fr om the list of waypoints. Grid allows you to apply a trolling grid to a ...
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Humminbird 997c Combo - page 89
Start Recording (optional-purchase MMC/SD Card, Snapshot and Recording V iew only) Start Recording allows you to start sonar recording fr om the Snapshot and Recording V iew . T his menu option is only available when y ou have an optional-purchase MMC/SD card installed and y ou are in Snapshot and Recording V iew . T o start sonar r ecor ding: 1. H ...
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Humminbird 997c Combo - page 90
Delete All Images (optional-purchase MMC/SD Card, Snapshot and Recording V iew only) Delete All Images allows you to delete all the images at once fr om the Snapshot and Recording V iew . T his menu option is only available when y ou have an optional-pur chase MMC/SD card installed and you are in Snapshot and Recording V iew . T o delete all images ...
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Humminbird 997c Combo - page 91
Delete All Recordings (optional-purchase MMC/SD Card, Snapshot and Recording V iew only) Delete All Recordings allows you to delete all the recor dings at once from the Snapshot and Recording V iew . T his menu option is only available when you hav e an optional-purchase MMC/SD card installed and you ar e in Snapshot and Recording view . T o delete ...
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Humminbird 997c Combo - page 92
Stop Playback (optional-purchase MMC/SD Card only) Stop Playback allows you to stop playback of a sonar recor ding from any view . This menu option is only av ailable when you hav e an optional- purchase MMC/SD card installed and y ou are playing back a recor ding. T o stop playback of a r ecor ding: 1. Highlight Stop Playback on any X -Press™ me ...
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Humminbird 997c Combo - page 93
Beam Select Beam Select sets which sonar r eturns from the transducer will be display ed on the screen. When set to 200/83 kHz , the returns fr om both beams are blended. T he Split Sonar V iew continues to display the sonar r eturns from each beam in their respective windo ws. The blended inf ormation is shown in the Sonar V iew . The R TS® Windo ...
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Humminbird 997c Combo - page 94
Fish ID+™ Fish ID+™ uses advanced signal pr ocessing to interpret sonar returns, and will displa y a Fish Symbol when very selectiv e requirements ar e met. When a fish is detected, a fish icon and its depth are displayed abo ve the return that has been classified as being a fish. T hree different fish siz e icons represent the intensity of the ...
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Humminbird 997c Combo - page 95
Fish ID Sensitivity Fish ID Sensitivity adjusts the threshold of the Fish ID+™ detection algorithms. Selecting a higher setting allows weaker r eturns to be displayed as fish. T his is useful for identifying smaller fish species or baitfish. Selecting a lower setting displa ys fewer fish fr om weak sonar returns. T his is helpful when seeking lar ...
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Humminbird 997c Combo - page 96
Bottom V iew Bottom V iew selects the method used to represent bottom and structur e on the display . Structure ID® represents weak returns in blue and str ong returns in red. W hiteLine® highlights the strongest sonar returns in white r esulting in a distinctive outline. T his has the benefit of clearly defining the bottom on the display . See B ...
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Humminbird 997c Combo - page 97
NO TE: The 455 kHz Sensitivity r equires the purchase of the Quadr aBeam PLUS™ transducer . Y ou can visit our website at www .humminbird.com to order this accessory online or contact our Customer Resource Center at 1-800-633-1468. NO TE: 455 kHz Sensitivity is particularly useful for adjusting the sensitivity of the 455 kHz sonar returns in the ...
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Humminbird 997c Combo - page 98
Surface Clutter (Advanced) Surface Clutter adjusts the filter that removes surface clutter noise caused by algae and aeration. T he lower the setting, the less surface clutter will be displayed. T he Surface Clutter menu choice is available when User Mode is set to Advanced (see Setup Menu T ab: User Mode ). T o change the Surface Clutter setting: ...
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Humminbird 997c Combo - page 99
Max Depth (Advanced) Max Depth adjusts the maximum depth of oper ation. T he performance of your 900 Series™ can be tuned to the maximum depth you will be fishing in by setting the Max Depth. When a maximum depth is set, y our 900 Series™ will not attempt to acquire sonar data below that depth, thus incr easing over all performance. When Max De ...
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Humminbird 997c Combo - page 100
T ransducer Select T ransducer Select allows you to select which transducer you w ant to use, High-Definition Sidescan, Compact Sidescan, Sidescan, QuadraBeam PLUS™, DualBeam PL US™, Dual 50/200 kHz, or Universal Sonar 2. NO TE: The tr ansducer setting must correspond to the transducer type connected to your system. NO TE : All transducer choic ...
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Humminbird 997c Combo - page 101
Navigation Menu T ab Press the MENU ke y twice to access the Main Menu System, then press the RIGHT cursor ke y to select the Navigation tab. NO TE: Menu choices will vary depending on system settings. Current T rack Current T rack allows you to vie w the Current T rack submenu. T o vie w the Current T r ack Submenu: 1. Highlight Current T rack on ...
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Humminbird 997c Combo - page 102
Sav ed T racks Saved T racks allows you to view the Sa ved T racks submenu. T o vie w the Sa v ed T r acks Submenu: 1. Highlight Saved T racks on the Navigation main menu. 2. Use the RIGHT 4-W A Y Cursor Control keys to vie w the Saved T racks submenu. T he Sa v ed T r acks Submenu contains the following menu choices: Edit allo ws you to select a p ...
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Humminbird 997c Combo - page 103
Delete allows you to delete a w aypoint from the list of sav ed waypoints. Cursor T o allows you to mo ve the cursor quickly to a w aypoint selected from the list of saved w aypoints. Go T o allows you to select a waypoint and start na vigation towar d that waypoint, or add that w aypoint to the end of the current route. T arget allows you to apply ...
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Humminbird 997c Combo - page 104
North Refer ence North Reference allows you to have bearings displayed with one of tw o orientations: T rue North or Magnetic North. T o change the North Ref er ence setting: 1. Highlight North Reference on the Navigation main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control keys to change the North Reference setting. (T rue, Magnetic, Default ...
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Humminbird 997c Combo - page 105
T rack Min Distance (Advanced) T rack Min Distance allows you to set a minimum distance of tr avel bef ore a trackpoint is added to the track. NO TE: T rack Min Distance works in conjunction with T rackpoint Interval. Both conditions must be met before a tr ackpoint is added to the current tr ack. T o change the T r ack Minimum Distance setting: 1. ...
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Humminbird 997c Combo - page 106
Course Pr ojection Line Course Projection Line allows you to display or hide an arrow extending fr om the bow of the boat that projects your current course, and sho ws where the boat will go if you continue on your present course. T o change the Course Project Line setting: 1. Highlight Course Projection Line on the Navigation main menu. 2. Use the ...
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Humminbird 997c Combo - page 107
Chart Menu T ab Press the MENU ke y twice to access the Main Menu System and then press the RIGHT Cursor ke y to select the Chart tab. NO TE: Menu choices will vary depending on system settings such as whether the unit is set for Advanced User mode. Chart Detail Lev el Chart Detail Level allo ws you to select how much chart detail you want displa y ...
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Humminbird 997c Combo - page 108
Map Border s Map Borders allows you to display or hide map borders. A Map Bor der indicates an area which contains a different map. T o change the Map Bor der s setting: 1. Highlight Map Borders on the Navigation main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the Map Borders setting. (Hidden, MMC/SD Only , All Visible, D ...
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Humminbird 997c Combo - page 109
Nav aids on Bird's Ey e V iew Navaids on Bir d's Eye V iew allows you to display or hide additional navigational aids, such as lights and buo ys, in Bird's Eye V iew . NO TE: Y ou will see more navigational aids with and optional-purchase MMC/SD card. T o change the Na v aids on Bir d's Ey e V ie w setting: 1. Highlight Navaids ...
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Humminbird 997c Combo - page 110
Set Map Offset (Advanced) Set Map Offset allows y ou to change the map offset used by the 900 Series™. NO TE: The Map Offset will be applied to all maps and not just the map that requires the corr ection. The Map Offset should be clear ed if a different map is to be used. T o change the Map Offset setting: 1. Activate the cursor and mov e it loca ...
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Humminbird 997c Combo - page 111
Alarms Menu T ab From an y view , press the MENU key twice to access the Main Menu System. The Alarms tab will be the default selection. NO TE: When an alarm is triggered, you can silence it by pressing an y ke y . The alarm will be silenced, and will not be triggered again until a new instance of the alarm condition is detected. Depth Alarm Depth ...
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Humminbird 997c Combo - page 112
T o change the F ish ID Alarm setting: 1. Highlight Fish ID Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control keys to change the F ish ID Alarm setting. (Off, All, Lar ge/Medium, Large, Default = Off) Low Battery Alarm Low Battery Alarm sounds when the input battery voltage is equal to or less than the menu setting. T h ...
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Humminbird 997c Combo - page 113
T emp Alarm T emp Alarm sounds when the water temperature detected b y the 900 Series™ reaches the T emp Alarm setting, which is either set in degrees Fahr enheit or Celsius [International models only] . For example, if the T emp Alarm is set to 58° Fahrenheit, and the water temperature f alls from 60° to 58°, the T emp Alarm will sound. Simil ...
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Humminbird 997c Combo - page 114
Arrival Alarm Arrival Alarm sounds when the boat has either exceeded the distance to the destination waypoint, or has enter ed the Arrival Alarm Circle, based on the menu setting when na vigating. Arrival Alarm allows you to set ho w close the boat must be to the destination waypoint bef ore the Arrival Alarm will sound. T o change the Arrival Alar ...
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Humminbird 997c Combo - page 115
Alarm T one Alarm T one selects the pitch of the alarm sound. A brief tone will be produced as you adjust the Alarm T one so that you can select the tone that you can hear best. T o change the Alarm T one setting: 1. Highlight Alarm T one on the Alarms main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the Alarm T one settin ...
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Humminbird 997c Combo - page 116
Units - Depth Units - Depth selects the units of measur e for all depth-related r eadouts. T o change the Units - Depth setting: 1. Highlight Units - Depth on the Setup menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the Units - Depth setting. (Meters [International models only] , Feet, Fathoms; Default is Meter s for Internat ...
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Humminbird 997c Combo - page 117
User Mode User Mode sets the menu system to either Normal or Advanced. When set to Normal, only the basic menu options ar e shown. When set to Adv anced (default setting), additional menu choices are av ailable. T o change the User Mode setting: 1. Highlight User Mode on the Setup menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to chang ...
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Humminbird 997c Combo - page 118
Select Readouts (Advanced) Select Readouts allows you to customize the information display ed in individual digital readouts on the left side of many views, including suppr essing a particular readout so that nothing is display ed; the ability to customize readouts depends on the vie w and whether you are na vigating. This Adv anced feature allo ws ...
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Humminbird 997c Combo - page 119
. T o Select Readouts: 1. Make sure you ar e in Advanced User Mode, then highlight Select Readouts on the Setup main menu. 2. Use the RIGHT 4-WA Y Cursor Control ke y to initiate this procedure. 3. T he Select Readouts submenu will appear, sho wing a list of all Readouts. Use the UP or DOWN Cursor ke ys to select a particular Readout position, then ...
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Humminbird 997c Combo - page 120
Aux T emp Offset (Advanced) Aux T emp Offset will adjust the aux temperature r eadout (the temperature on the optional-purchase temperatur e probe or T emp/Speed accessory) by the amount entered. T his menu choice is available only when in Adv anced User Mode (see Setup Menu T ab: User Mode .) T o change the Aux T emp Offset setting: 1. Make sure y ...
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Humminbird 997c Combo - page 121
Daylight Sa ving T ime (Advanced) Daylight Saving T ime adjusts the time display to account for local Da ylight Saving T ime. Selecting On adds one hour to the time display adjusted for your local time zone. Selecting Off lea ves the time display as adjusted for your local time zone. T his menu choice is available only when in Advanced User Mode (s ...
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Humminbird 997c Combo - page 122
Digits F ormat (Advanced) Digits Format allows you to add a tenth decimal place to readouts such as T emperature and Depth. T he format can be changed to small format, large format or no format. T his menu choice is available only when in Advanced User Mode (see Setup Menu T ab: User Mode .) T o change the Digits Format setting: 1. Make sure y ou a ...
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Humminbird 997c Combo - page 123
Sonar Sonar deactivates Sonar and removes the Sonar V iews from the vie w rotation. T o turn Sonar on or off: 1. Highlight Sonar on the Setup menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the Sonar to On or Off (Off, On, Def ault = On). V iews Menu T ab From an y view , press the MENU key twice to access the tabbed Main Menu ...
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Humminbird 997c Combo - page 124
The f ollowing views ar e available: T o Change the V ie w Status of An y V ie w: 1. Highlight the View main menu tab. 2. Use the UP or DOWN 4-WA Y Cursor Control ke ys to select a V iew . 3. Use the LEFT or RIGHT 4-W A Y Cursor Control k eys to change the status of the view from Hidden to V isible or vice versa. • Bird’s Ey e V iew • Chart/B ...
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Humminbird 997c Combo - page 125
Accessories Menu T ab From an y view , press the MENU key twice to access the tabbed Main Menu System, then press the RIGHT cursor k ey until the Accessories tab is selected. If no accessories are attached to the Accessory Bus, no accessory menu choices will appear under the Accessories tab, only the Screen Snapshot menu choice. If an accessory is ...
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Humminbird 997c Combo - page 126
T o turn Scr een Snapshot on or off: 1. Highlight Screen Snapshot on the Accessories main menu. 2. Use the LEFT or RIGHT 4-W A Y Cursor Control keys to turn Scr een Snapshot On or Off (Off, On, Def ault = Off). T o mak e a screen snapshot (Screen Snapshot must be enabled): 1. Make sure y ou have installed an optional-purchase MMC/SD car d into your ...
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Humminbird 997c Combo - page 127
T roubleshooting Before contacting the Humminbir d® Customer Resource Center , please read the following section. T aking the time to review these troubleshooting guidelines may allow y ou to solve a performance problem y ourself , and therefor e avoid sending your unit back f or repair . 900 Series™ Doesn’t P ower Up If your 900 Series™ doe ...
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Humminbird 997c Combo - page 128
Display Pr oblems Ther e are sev eral main conditions or sources of possible interf erence that may cause pr oblems with the quality of the information displayed on the contr ol head. Look in the following table f or some symptoms of display problems and possible solutions: Problem P ossible Cause T he control head loses power at high speeds. W hen ...
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Humminbird 997c Combo - page 129
Finding the Cause of Noise Electrical noise usually affects the display with man y black dots at high speeds, and high sensitivity readings. One or more of the follo wing sources can cause noise or interference: P ossible Source of Noise Isolation Other electronic devices T he boat’s engine Cavitation from the boat’s pr opeller T urn off any ne ...
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Humminbird 997c Combo - page 130
1- Y ear Limited W arranty W e warrant the original r etail purchaser that products made b y Humminbird® hav e been manufactured free fr om defects in materials and workmanship. T his warranty is eff ective for one y ear from the date of original retail purchase. Humminbir d® products found to be defectiv e and cover ed by this warranty will be r ...
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Humminbird 997c Combo - page 131
Any repair s made after the original warranty will be warr anted for an additional 90 days after service has been performed b y our factory technicians. Y ou can contact our Customer Resource Center or visit our website to v erify the flat rate repair fee f or your product (visit the Product Support section): http://www .humminbird.com W e reserve ...
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Humminbird 997c Combo - page 132
900 Series™ Accessories Accessories customize the 900 Series™ to your needs and enable y ou to stay on the edge of new technology . When an accessory is connected to the 900 Series™, additional menus and readouts are added automatically to the Main Menu System. Accessories available toda y that are supported by your 900 Series™ include: Qua ...
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Humminbird 997c Combo - page 133
With the new InterLink ™ Network Connection , you can now shar e GPS position, waypoints, r outes and your current track betw een two Humminbird® Fishing Systems in r eal time. Mark a waypoint at the console, and it’s instantly available on the second unit. No matter wher e you’re at on the boat, you’ll hav e access to your critical fishin ...
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Humminbird 997c Combo - page 134
Specifications 127 Depth Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1500 ft (50 0 m) P ower Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 W atts (RMS); 4000 W atts (P eak- T o-Peak) Operating F requency Dual Beam: . . . . . . . . . . . ...
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Humminbird 997c Combo - page 135
Glossary Sonar T erms 128 Alarm, Depth: Depth Alarm is a user -controllable, audible alert that sounds when depth is less than or equal to the setting. Alarm, T emperature: T emperature Alarm is a user -controllable, audible alert that sounds when the water surface temper ature equals the setting. Backlight: Backlight is a user-contr ollable illumi ...
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Humminbird 997c Combo - page 136
Glossary Sonar T erms 129 Display , FSTN: FSTN is an acron ym for Film Super - T wist Nematic. FSTN is a monochrome display technology char acterized by black, high-contrast pixels. All monochrome fixed mount Humminbird® pr oducts use FSTN technology . DualBeam PLUS™: DualBeam PLUS™ is a Humminbir d® sonar configuration that uses two sonar be ...
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Humminbird 997c Combo - page 137
Glossary Sonar T erms 130 display because the user can see the results on the complete sonar gr aph. When combined with the Freez e Frame f eature, the user can adjust and understand the effects of many diff erent sonar settings quickly and easily . Maximum Depth Menu: The Maximum Depth Menu is a Humminbir d® feature that optimizes performance bas ...
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Humminbird 997c Combo - page 138
Glossary Sonar T erms 131 QuadraBeam PLUS™: QuadraBeam PLUS™ is a Humminbird® sonar configuration that uses four sonar beams for a mor e detailed bottom image. QuadraBeam PLUS™ uses the DualBeam PLUS™ configuration f or downlooking, and also adds two additional beams to look to the left and right. The sonar beams pointing to the left and r ...
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Humminbird 997c Combo - page 139
Glossary Sonar T erms 132 and structure. Many Humminbir d® units operate at up to 40 times per second when in single frequency operation. Due to the limitation of the speed of sound in w ater , the update rate begins to slow as depth incr eases to deeper than 50 feet. In very shallow water (less than 10 f eet), howev er , update rates as much as 6 ...
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Humminbird 997c Combo - page 140
Glossary Sonar T erms 133 T ransducer: The tr ansducer is part of the sonar system, which mounts on the boat and is in contact with the water , that converts the electrical energy from the transmitter into sound energy , and that forms the sonar beam in turn. Internally , the transducer consists of one or more piez o electric disks that expand by v ...
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Humminbird 997c Combo - page 141
Glossary Sonar T erms GPS & Navigation T erms 134 Zoom: Zoom is a feature that f ocuses in on a smaller area of the bottom to provide enhanced resolution. With enhanced r esolution, the angler can more easily see fish hanging in structure or multiple fish hanging close together . Split screen zoom divides the display into the full range vie w o ...
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Humminbird 997c Combo - page 142
Glossary GPS & Navigation T erms 135 Cold Start: Cold Start refer s to the procedure that a GPS receiv er must perform when it does not have historical inf ormation regarding its current location. T his procedure typically lasts f or several minutes, and ma y be experienced upon first power up of the r eceiver , or if the receiver has been move ...
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Humminbird 997c Combo - page 143
Glossary GPS & Navigation T erms 136 This mathematical model is the Map Datum. Historically , many different Map Datums have been used ar ound the world to create maps; often a ref erence to the Map Datum can be found in the legend of a paper map. It is important to select the correct Map Datum setting in your fishfinder when comparing GPS posi ...
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Humminbird 997c Combo - page 144
Glossary GPS & Navigation T erms 137 Speed Over Ground (SOG): Speed Over Ground is the measurement of the boat’s progress acr oss a given distance, and is the speed measurement pro vided by GPS. An alternate, Speed T hrough W ater , is provided by a speed paddlewheel, and is the measurement of the flo w past the boat, which may vary depending ...
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Humminbird 997c Combo - page 145
Glossary GPS & Navigation T erms 138 W aypoint: A Waypoint is the sa ved location (latitude, longitude) of a point of interest that is stored in a GPS r eceiver’s memory . This can include a mark er buoy , dock, fishing hole or anywhere else the user may w ant to return to. Humminbird® products off er the ability to name and assign a symbol ...
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Humminbird 997c Combo - page 146
Contact Humminbird® Contact the Humminbird® Customer Resource Center in any of the follo wing ways: By T elephone (Monday - Frida y 8:00 a.m. to 4:30 p.m. Central Standard T ime): 1-800-633-1468 By e-mail (typically we respond to y our e-mail within three business days): custserv@johnsonoutdoors.com For direct shipping, our addr ess is: Humminbir ...
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