Garmin 400C Quick Reference Manual

Understanding the Full Screen
The Full Screen is the main screen for both dual beam
and dual frequency transducers.
On the Home screen, highlight Full Screen, and press
SELECT.
Depth
Temp
Speed
Suspended
targets
Range
Bottom
Transducer
mode
Changing the Display Settings
You can switch between Day and Night modes and
brighten or darken the backlight.
To change the display settings, on the Configure screen,
highlight Display, and press SELECT.
OR
Press and release the POWER key.
Press left or
right on the
ROCKER
Press left or
adjust the
right on the
ROCKER
to switch
between Day
and Night
mode.
Using the Fishfinder 400C Keypad
POWER/BACKLIGHT—press
and hold to turn the unit on or
off. Press and release to adjust the
backlight and day/night modes.
RANGE(+/-)
the range of the sonar.
ROCKER—press up, down, left,
or right to move through menus,
highlight fields, and enter data.
SELECT SELECT—press to select
highlighted items and confirm
to
on-screen messages.
HOME MENU
backlight
MENU—press to view additional
settings and configuration
HOME—press to
options; press to return to the
return to the Home
previous screen when indicated.
screen.
May 2007 Part Number 190-00757-01 Rev. A
Fishfinder 400C
quick reference guide
—press to adjust
Printed in Taiwan