User manual GARMIN FISHFINDER 120 INSTALLATION INSTRUCTION

[. . . ] I M J O R N P Assembling the Transducer 1. Insert the Rubber Washer and Plastic Spacer in the transducer at the same time. Route the cable towards the back and slide the transducer into the mounting bracket. Place a 5 mm Flat Washer on the 10-32 x 1. 75" screw and insert the screw through the Mounting Bracket, Spacer, and Rubber Washer. [. . . ] It may take several adjustments to eliminate the degradation. If the signal does not improve it may be necessary to move the transducer to a different location. Unit Care Cleaning - Clean the unit housing using a cloth lightly dampened with a mild detergent solution and then wipe dry. Avoid chemical cleaners and solvents that may damage plastic components. Do not apply cleaner to electrical contacts on the back of the unit. Storage - Do not store the unit where exposure to temperature extremes may occur, as permanent damage may result. Vertical Fishfinder 120 Operational Instructions Thank you for choosing the Garmin Fishfinder 120. This product is designed for easy operation and to provide years of reliable service. Please read through these instructions to get the most out of your new unit. If you encounter a problem please contact our Product Support Department at 913-397-8200, Monday - Friday 8:00 a. m. CST or on the internet at www. garmin. com/support. Specifications Case: Fully Gasketed, high-impact plastic alloy Display: 3. 1"H x 3. 2"W (7. 9 x 8. 1 cm), 240 x 128 pixels Size: 6. 1" W x 4. 9" H x 2. 6 D (15. 5 x 12. 5 x 6. 6 cm); Weight: 18. 7 oz. Temperature Range: +5° to 158°F (-15C to 70C) Waterproof: IEC 529, level IPX-7 (submerged to 1 meter for 30 minutes) Internal memory backup to retain user settings Input: 10 to 18 Vdc w/ high voltage protection Usage: 8 watts maximum, Nominal: 12 Vdc @ 0. 5 amps Sonar Power Output: 100 watts (RMS), 800 watts (peak to peak) Frequency: 200kHz Depth: 600 foot max depth (Depth capacity is dependent on water salinity, bottom type and other water conditions. ) Specifications subject to change without notice. ARROW KEYS The UP and DOWN ARROW keys are used to select items on the Adjustment Menu and Setup menu. The LEFT and RIGHT ARROW keys are used to quickly cycle through Adjustment Menu settings. ENTER Key The ENTER key is used to activate/deactivate the Adjustment Menu and Setup Menu data fields for review or changes. MENU Key The MENU key is used to activate/deactivate Adjustment and Setup Menus. POWER Key The POWER Key is used to turn the unit on/off and to activate the display backlight. Press briefly and release to activate the backlight. To change the backlight level, press the POWER key repeatedly to cycle between Off, Low and High. The Fishfinder 120 is able to display a variety of useful information about the underwater environment. Below are a few things the unit helps you see. Setup Menu -- Alarms: Shallow/Deep Water Alarm `Shallow' and `Deep' can be set to sound a shallow/deep water warning at a depth Adjustment Menu -- Gain determined by you. (If the either alarm is set and `Depth' units are changed, both alarms Controls the sensitivity of the unit's sonar receiver. This provides some flexibility default to `Off'. ) These alarms may be set to `Off' (default) or from 1-600 ft. To see more detail, increase the receiver sensitivity by Setup Menu -- Alarms: Fish Alarm selecting a higher gain (+). If there is too much detail or if the screen is cluttered, Sounds an alarm when the unit detects what it determines to be a fish. The alarm lowering the sensitivity (-) may increase the clarity of the display. Available settings selections are: `Off' (default) or `On'. [. . . ] A copy of the original sales receipt is required as the proof of purchase for warranty repairs. The Fishfinder 120 has no user-serviceable parts and is fastened shut with screws. Any attempt to open the case to change or modify the unit in any way will void your warranty and may result in permanent damage to the equipment. The Fishfinder 120 comes with a built-in simulator mode that allows you to practice and learn the operation of the unit at home rather than on the water. The unit indicates that it is running the simulator mode by displaying a message in the lower left of the display. [. . . ]