Using The Keypad; Acquiring Gps Satellite Signals - Garmin GPSMAP 420 Owner's Manual

Using the Keypad

GPSMAP 400/500 Series Owner's Manual
POwER/baCKLigHT—Press and hold to turn the unit on or off;
press and release to adjust the backlight and day and night modes.
RaNgE (-/+)—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.
ROCKER—Press up, down, left, or right to move through menus,
highlight fields, and enter data.
MaRK—Press to mark a waypoint.
SELECT—Press to select highlighted items.
HOME—Press to return to the Home screen.
MENU—Press to access additional settings and configuration
options; press to return to the previous screen when indicated.

Acquiring GPS Satellite Signals

POWER/
BACKLIGHT
When you turn on the unit, the GPS receiver must collect satellite
data and establish the current location. When the unit acquires
RANGE (-/+)
satellite signals, the signal strength bars at the top of the Home
ROCKER
screen are green
MARK
green bars disappear
SELECT
question mark.
MENU
For more information about GPS, visit the Garmin Web site at
HOME
www.garmin.com/aboutGPS.
. When the unit loses satellite signals, the
and the position icon displays a flashing
Getting Started
5