Fishfinder 400C quick reference guide SELECT M E N U H O M E POWER/BACKLIGHT —press and hold to turn the unit on or off. Press and release to adjust the backlight and day/night modes. RANGE(+/-) —press to adjust the range of the sonar . ROCKER —press up, down, left, or right to move through menus, highlight elds, and enter data. SELECT ? ...
Garmin 400C - page 2
The Flasher screen (dual beam transducer only) provides an almost instantaneous return of what is below your boat. The depth scale is or ganized as a ring that starts at the top, or 12:00, and progresses clockwise. Sonar information ashes on the ring when it is received at the depth indicated on the inside ring. Like the regular graph, The color ...
