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Humminbird 120 - page 1
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Humminbird 120 - page 2
TABLE OF CONTENTS INSTALLATION PREPARATION………………………………………………………. 2 Parts Supplied……………………………………………………………………. 2 Accessories………………………………………………………………………. 2 Installation Overview………………………? ...
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Humminbird 120 - page 3
INSTALLATION PREPARATION PARTS SUPPLIED PARTS SUPPLIED Before installing your new Humminbird fishsinder, please ensure the following p arts are included in the box: • Fishfinder • Transducer with 20’ (6m) of cable and mounting hardware kit • Mounting system and mounting hardware kit • 6’ (2m) power cable • Publications kit It any of t ...
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Humminbird 120 - page 4
INSTALLATION PREPARATION INSTALLATION OVERVIEW Determining How to Mount the Transducer Your Humminbird fishfinder includes a standard transducer. This transducer can be mounted on the transom of the boat or bonded to the inside of a fi berglass hull boat. The transom installation, which is the most widely used, places the transducer on the outside ...
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Humminbird 120 - page 5
INSTALLATION PREPARATION ALTERNATE MOUNTING METHODS ALTERNATE TRANSDUCERS AND MOUNTING METHODS Your Humminbird fishfinder comes with everything necessary for installation and operation on most boats. However, there are several situations which may require a different type of transducer. Inboard boats, wood or metal hulls, and sail boats create uniq ...
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Humminbird 120 - page 6
INSTALLATION PREPARATION TRANSDUCER EXCHANGE TRANSDUCER EXCHANGE Other transducers are available as replac ements for the standard transducer. You may exchange your new and unassembled transducer for another type by returning it to the address listed in Customer Support. Some transducers may have additional cost. Refer to the Accessory catalog or c ...
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Humminbird 120 - page 7
INSTALLATION TRANSOM INSTALLATION Do not begin this transducer installation until you read the Installation Preparation in the Operation Guide. This chapter contains information critical to the correct installation of your transducer. Due to the wide variety of boat hulls, only general instructions are presented in the installation guide. Each boat ...
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Humminbird 120 - page 8
INSTALLATION TRANSOM INSTALLATION • If the propeller(s) is (are) forward of the transom, it may be impossible to find an area clear from turbulence, and a different mounting technique or transducer type should be considered. S tep Two - Drill the Mounting Holes 1. Remove the mounting template from the front of the Operations Manual. 2. Hold the t ...
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Humminbird 120 - page 9
INSTALLATION TRANSOM INSTALLATION Step Four - Mount the Transducer to the Transom 1. Apply silicone sealant to the mount ing holes drilled into the transom. 2. Align the transducer assembly with the drilled holes in the transom (Figure 8). 3. Use either a flat head screwdriver, a 5/16" (8mm) hex driver, or a 5/16" (8mm) socket to mount th ...
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Humminbird 120 - page 10
INSTALLATION TRANSOM INSTALLATION Step Six - Route the Cable There are several ways to route the transducer cable to the to the area where the control head will be installed. The most common procedure routes the cable through the transom into th e boat. Inside the boat there is often a channel or conduit used for other wiring that the cable can be ...
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Humminbird 120 - page 11
INSTALLATION INSIDE THE HULL INSTALLATION INSIDE THE HULL INSTALLATION Inside the hull installation requires the mount system and control head be instal led and operational. See Installing the Control Head for instruction on installing the unit. Inside the hull mounting generally produces good results in single thickness fiberglass - hulled boats. ...
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Humminbird 120 - page 12
INSTALLATION INSIDE THE HULL INSTALLATION 3. Power up the Control Head. 4. Run the boat at variou s speeds and water depths while observing the screen on the Control Head. If the unit functions well at low speeds but begins to skip or miss the bottom at higher speeds, the transducer needs to be moved. If depth performance is required, test the fish ...
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Humminbird 120 - page 13
INSTALLATION CONTROL HEAD INSTALLATION CONTROL HEAD INSTALLATION Step One - Determine Where to Mount Begin the installation b y determining where to mount the control head. Consider the following to determine best location: • The cables for power, transducer and temp/speed accessories (if applicable) should be installed first and must reach the m ...
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Humminbird 120 - page 14
INSTALLATION CONTROL HEAD INSTALLATION and one amp fuse (not included) for the protection of the unit (Figure 21). Humminbird is not responsible for over voltage or over current failures. In order t o minimize the potential for interference with other marine electronics a separate power source (such as a second battery) may be necessary. Step Three ...
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Humminbird 120 - page 15
INSTALLATION CONTROL HEAD INSTALLATION Step Five - Assembling the Connector Holder 1. Insert the cable connectors into the connector holder. The cable connectors are labeled, and there are corresponding labels on the connector holder (Fi gure 26). The slots for the connectors are keyed to prevent reverse installation, so do not force the connector ...
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Humminbird 120 - page 16
INSTALLATION TEST THE INSTALLATION TEST THE INSTALLATION Testing should be performed with the boat in the water, however you can initially confirm basic operation with the boat trailered. Press POWER once to turn the unit on. There will be an audible chirp when any button is pressed to confirm the button press. If the unit does not power - up, ensu ...
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Humminbird 120 - page 17
THANK YOU THANK YOU Thank you for choosing Humminbird, America’s #1 name in depth sounde rs. Humminbird has built its reputation by manufacturing top quality, thoroughly reliable marine equipment. Your Humminbird is designed for trouble - free use. We encourage you to read this operations manual carefully in order to get full benefit from your Hu ...
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Humminbird 120 - page 18
USING THE PLATINUM ID 120 HOW SONAR WORKS HOW SONAR WORKS There are two main components to a Platinu m ID installation: the sensor, which you will install on the transom or inside the hull, and the Platinum ID unit. The sensor and Platinum ID communicate by means of a cable, and are powered by your boat’s 12 - volt DC battery. The sensor and Plat ...
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Humminbird 120 - page 19
USING THE PLATINUM ID 120 HOW SONAR WORKS The P latinum ID uses the returned signals to display a detailed underwater image, and constantly updates the display as you travel across the water. The display informs you of the current depth and reveals individual fish, schools of fish, their location, botto m details as well as bottom hardness. An easy ...
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Humminbird 120 - page 20
USING THE PLATINUM ID 120 PLATINUM ID FEATURES POWER: Press the button once to turn the Platinum ID on, then press again to turn the unit off. When the unit is off, keeping POWER pressed for about two seconds starts the built - in simulator. STOP: Freezes the action on screen so that it can be studied more closely or to allow more time to adjust me ...
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Humminbird 120 - page 21
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS OPERATING THE PLATINUM ID This section provides complete information on operating the Platinum ID through its front panel controls. You are encouraged to read this information com pletely as you first learn to use the Platinum ID; doing so will ensure you make the most of its many features and functi ...
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Humminbird 120 - page 22
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS PLATINUM ID FUNCTIONS The Platinum ID offers several functions that you can adjust with the front panel buttons. (Note that to select something with a button, you must press it fully so that you can hear a “chirp” sound.) You can get acquainted with these features by actual operation, or when usi ...
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Humminbird 120 - page 23
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS The three position bottom hardness scale at the bottom of the screen helps differentiate between grass or muddy (soft) bottoms and structure or rock (hard) bottoms. After you adjust any function, the display returns to its full - screen reading. If the menu doesn’t stay on the screen long enough, p ...
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Humminbird 120 - page 24
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS 1. Selecting ID Factory Setting: F ish Symbols ID identifies targets not attached to the bottom and displays them with either a fish symbol or an arch. Three different size fish symbols are used to represent the returned signal strength, a good indicator of fish size. Use the up and down a rrow keys ...
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Humminbird 120 - page 25
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS 3. Selecting Sensitivity Factory Setting: + 0 The Platinum ID automatically adjusts to the proper amount of sensitivity for conditions (ie depth). You can bias the setting + or – 5 levels to suit your personal taste. Increasing the sensitivity adjustment can cause the display of very small targets ...
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Humminbird 120 - page 26
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS 5. Enabling Fish Alarm Factory Setting: OFF The Fish Alarm alerts you with a chirping sound whenever the Platinum ID detects fish (or another object not attached to the bottom). To activate it, select FISH ALARM and press the ON - OFF button. Initially, the fish alarm will sound when any target not a ...
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Humminbird 120 - page 27
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS 7. Using Bottom - Lock Factory Setting: OFF Bottom - Lock provides an up - close view like Zoom Ran ge, except that in this case the zoomed view automatically moves up or down to stay on the bottom. To use this feature, select BOTTOM LOCK and press ON - OFF. The range of the display is shown when Bot ...
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Humminbird 120 - page 28
USING THE PLATINUM ID 120 OPERATING INSTRUCTIONS 9. Setting Depth R ange Factory Setting: ON (Automatic) When you turn the Platinum ID on, it finds the bottom, sets the ideal Depth Range, and automatically adjusts the Depth Range (to as much as 120’) as the depth changes. In this “Auto Depth Range” mode, the bottom is bl acked - in for easy - ...
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Humminbird 120 - page 29
SPECIFICATIONS Operating Frequency 455KHz Power Requirement 10 - 16 volts DC Power Cable L ength 48” Sensor (standard) SHS6 - 16 Sensor Cone Angle 16 degrees Depth Range 0 - 15’, 0 - 30’, 0 - 60’, 0 - 120’ Unit Construction High - impact polycarbonate housing Unit Dimensions 6 ½” W x 6 ¾” H x 1 ½” D Display Super - twist LCD View ...
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Humminbird 120 - page 30
MAINTENANCE AND WARRANTY MAINTENANCE MAINTENANCE Your Humminbird fishfinder is designed to provide years of trouble free operation with virtually no maintenance. Follow these simple procedures to ensure your Humminbir d continues to deliver top performance. • If the unit comes into contact with salt spray simply wipe the affected surfaces with a ...
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Humminbird 120 - page 31
MAINTENANCE AND WARRANTY TROUBLESHOOTING TROUBLESHOOTING Do not attempt to repair the fishfinder yourself. There are no user serviceable parts inside, and special tools and techniques are required for reassembly to ensure the waterproof integrity of the housing. Re pairs should be performed only by authorized Humminbird technicians. Many requests f ...
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Humminbird 120 - page 32
MAINTENANCE AND WARRANTY TROUBLESHOOTING Second, inspect the transducer cable from end to end for breaks, kinks, or cuts in the outer casing of the cable. Also ensur e the transducer is fully submerged in water. If the transducer is connected to the unit through a switch, temporarily connect it directly to the unit and try again. If none of these i ...
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Humminbird 120 - page 33
MAINTENANCE AND WARRANTY TROUBLESHOOTING 5. The unit comes on before I press POWER, and won't turn off. Check the transducer cable. If the outer jacket of the cable has been cut and the cable is in contact with bare metal, you need to repair the cut with electrical tape. If there is no problem with the cable, disconnect the transducer from the ...
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Humminbird 120 - page 34
MAINTENANCE AND WARRANTY WARRANTY HUMMINBIRD ONE YEAR FULL WARRANTY First year repairs (from original date of purchase) on your Humminbird fishfinder are absolutely free. This does not include physical damage to the unit or its accessory items. Any modification or attempt to repair the original equipment or accessories by unauthorized individuals w ...
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Humminbird 120 - page 35
MAINTENANCE AND WARRANTY SERVICE POLICY SERVICE POLICY This S ervice Policy is valid in the United States only. This applies to Humminbird units returned to our factory in Eufaula, Alabama, and is subject to change without notice. All repair work is performed by factory - trained technicians to meet exacting factory s pecifications. Factory service ...
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Humminbird 120 - page 36
MAINTENANCE AND WAR RANTY CUSTOMER SUPPORT CUSTOMER SUPPORT If you have any questions, call our Humminbird Customer Support Hotline: 1 - 334 - 687 - 0503 Throughout the U.S. and Canada, hours are Monday - Friday, 8:00 a.m. to 5:00 p.m. Central time. If after reading “Troubleshoot ing” you determine your unit needs factory service, please attach ...
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