4 GPSMAP 400/500 Series Owner’s Manual
Getting Started
To switch between Day and Night mode:
1� Press and release the Power key�
2� Select Color Mode�
3� Press left or right on the Rocker to switch between modes�
Using the Keypad
POWER/
BACKLIGHT
MENU
ROCKER
SELECT
HOME
RANGE (-/+)
MARK
—Press and hold to turn the unit on or
off. Press and release to adjust the backlight and the day and night
modes.
—Press to adjust the range of the sonar. Press to zoom
in or out on a chart. Press to page up or down on lists.
—Press up, down, left, or right to move through menus,
highlight elds, and enter data.
—Press to mark a waypoint.
—Press to select highlighted items.
—Press to return to the Home screen.