Garmin GPSMAP 400 - Manual (Page 7)

GPSMAP 400/500 Series Owner’s Manual 
Getting Started
Getting Started
Unit Overview
POWER/
BACKLIGHT
MENU
ROCKER
SELECT
HOME
RANGE (-/+)
MARK
SD card slot
GPSMAP 526 shown
GPSMAP 421/451/
521/551
GPSMAP 526/556
Power/Data External
GPS antenna
NMEA 2000 ®
Power/Data External
GPS antenna
NMEA 2000 ®