Garmin gpsmap 4008 User Manual

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GPSMAP
®
 4000/5000 Series Owner’s Manual
Getting Started
G
ettin
G
 
S
tarted
Power 
connector
Marine video 
connector
NMEA 2000 
connector
NMEA 083 
connector
Garmin Marine 
Network 
connectors
Turning the Unit On or Off
To turn the unit on, press and release the   
Power
 key. When the Warning screen appears, select 
I Agree
 to open the Home screen.
To turn the unit off, press and hold the   
Power
 key.
Warning Screen
Home Screen
Adjusting the Backlight
1.  Press and release the   
Power
 key.
2.  Select 
Backlight
.
To allow the unit to automatically adjust the backlight based on ambient light, select 
Auto
To manually adjust the backlight, 
either select 
Up
 or 
Down
, use the 
ROCKER
 (GPSMAP 4000 series), 
or touch and drag the brightness 
bar (GPSMAP 5000 series).