Garmin GPSMAP 4000 - Manual (Page 5)

GPSMAP 4000 Series Owner’s Manual 
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Getting Started
Unit Overview
To turn on your unit for the first time, refer to the Initializing Unit Settings paragraph, page 58 .
Front and Rear Panels
SD card slot
Automatic backlight sensor
GPSMAP 4212 - Front
POWER
RANGE (+/-)
ROCKER
MARK
SELECT
HOME
MENU
Numeric keypad
(GPSMAP 420 and 422)
Soft keys
GPSMAP 4212 - Back
Network
NMEA 2000
Video
Power
NMEA