Garmin Fishfinder 400C Owner's Manual - Page 19
Step 5: Test the Installation, POWER, ROCKER, SELECT
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Installing the Fishfinder 400C Step 5: Test the Installation To turn on your Fishfinder 400C for the first time, press and hold the POWER key until the unit beeps and turns on. Use the ROCKER and the SELECT key and follow the screens to configure your Fishfinder 400C. Note: Although it is possible to perform some checks with the boat trailered, the boat should be in the water to properly test the installation. To configure your Fishfinder 400C for the first time: Select a language. Select a transducer type. Select units of measure. Select a color scheme. The Home screen appears after you select your configuration options. After 15 seconds of inactivity, the fishfinder automatically switches to Full Screen. Note: If the transducer is not detected, a "Transducer Disconnected, Sonar Turned Off" message appears. Fishfinder 400C Owner's Manual 13
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