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Garmin Fishfinder 120 - DISCONTINUED SEE GARMIN 140 
DISCONTINUED Garmin Fishfinder 120
<<<---- Click for Portable Transducer Mounting Diagram
The Fishfinder 120 builds on the highly successful Fishfinder 80 as a feature-rich, affordable sonar device. It has one of the largest and highest-resolution displays of any fishfinder in its class, providing better separation and contrast for the recreational angler. The Fishfinder 120 allows you to view and change settings without leaving the sonar screen. It also has an internal backup system that automatically saves your settings and an "uninterrupted operation" feature so your sonar won’t stop while you’re changing settings.
Packaged with the Fishfinder 120 is Garmin's innovative 360-degree swivel mount and quick-release mechanism to increase utility and security. Also included with the unit is a temperature-sensing 200-kHz transducer, which transmits at 800 watts (peak-to-peak) and 100 watts (RMS) to a maximum depth of 600 feet. The patented transducer design allows for mounting on either the transom or trolling motor.
Features include:
240 x 128 pixel, four-level, grayscale FSTN display
Three-level adjustable incandescent backlighting for display and keypad
3.3"W x 3.3"H (4.5" diagonal) viewing area
6.1" x 4.9" x 2.6" (WxHxD) unit dimensions
Internal memory backup for user settings with power disconnected
Graphic whiteline provides clear image of bottom hardness and structure
Alarms for shallow water, deep water, battery voltage, and fish
Adjustable range, gain, zoom, and scroll speed
Waterproof design to IPX-7 standards (submersible in three feet of water for up to 30 minutes)
Package includes:
Fishfinder 120
Transducer
Power cable
Swivel-mounting bracket
Owner’s manual
Portable requires 8 D cell batteries (not included)
Additional Specifications
Features
Display options: Auto ranging, 2X and 4X auto and manual zoom, bottom lock, 3 fish symbol sizes, adjustable menu
Alarms: Deep water, shallow water, fish, low battery
Transducer auto-sense: Automatically displays temp data without menus
See-Thru™ technology: Shows weak/strong returns simultaneously
Depth Control Gain (DCG™): Automatically adjusts fishfinder sensitivity according to depth
Power-down backup of setting: Customer setting not lost when unit is turned off
Sounder
Power output: 100 watts (RMS), 800 watts (peak to peak)
Frequency: 200 kHz
Depth: 600 foot max depth*
Physical
Display:
240 (H) x 128 (W) pixel, 3.1" x 3.2", (7.9 x 8.1 cm)
High-contrast 4-level, grayscale FSTN display
Size: 6.1" (W) x 4.9" (H) x 2.6" (D) (15.5 x 12.5 x 6.6 cm)
Weight: 1 lb 2.9 oz
Case: Fully gasketed, high-impact plastic alloy
Keys: Backlit
Temperature range: 5°F to 158°F (-15°C to 70°C)
Waterproof: Waterproof to IEC 529 IPX7 standards, submerged to 1 meter for 30 minutes
Power
Input: 10 to 18 Vdc with high-voltage protection
Usage: 8 watts max
Nominal power: 12 Vdc at 0.5 amps
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