Garmin Fishfinder 400C Owner's Manual - Page 30

Customizing the Fishfinder 400C To adjust the Keel Offset: 1. Highlight Keel Offset, and press SELECT. 2. Use the ROCKER to set the value of the keel offset. 3. Press SELECT to accept the number. Note: Press MENU to cancel your changes and return to the Transducer menu. Calibrate Water Speed-to use a speed sensing transducer, use this menu to calibrate the speed sensor. If you are not using a speed sensing transducer, this menu does not appear. To calibrate the speed sensor: 1. Highlight Calibrate Water Speed, and press SELECT. 2. Bring the boat to cruising speed. Note your top speed, and then stop the boat. 3. Highlight OK, and press SELECT. Note: If the boat is not moving fast enough or the speed sensor is not registering a speed, a "Speed Too Low" message appears. Highlight OK, press SELECT, and safely increase boat speed. If you get the message again, stop the boat and make sure the speed sensor wheel is not stuck. If the wheel turns freely, check the cable connections. If you continue to get the message, contact Garmin Product Support. Customizing Units of Measure To change the units of measure, on the Configure screen, highlight Units, and press SELECT. Depth-select Feet (ft), Meters (m), or Fathoms (fa). Water Temp­-select Fahrenheit (°F) or Celsius (°C) (with a compatible transducer). Water Speed-select Miles/Hour (mh), Kilometers/Hour (kh), or Knots (kt) (with a compatible transducer). Distance-select Statute (mi), Metric (km), or Nautical (nm) (with a compatible transducer). 24 Fishfinder 400C Owner's Manual