GME G142CFD User Manual
Page 13

PA G E 1 4
I N S T R U C T I O N M A N UA L
G - C O M B O
3 GENERAL OPERATION
3-1 Manual / Auto Power on and off
Manual power on
Press PWR and hold until the display shows the startup page. 
When the Warning screen appears, read, then press ENT 
to accept. 
Manual power off
Press and hold PWR for 5 seconds. A countdown timer 
appears on the screen, if you release the button before the 
countdown timer reaches zero, the chartplotter will remain 
on.
Auto power
If the unit is wired for auto then:
• The unit turns on automatically when you turn on the
boat’s ignition.
• You can not turn the unit off if the ignition is turned on.
• If Auto power off is set, the unit turns off automatically
when you turn off the boat’s ignition.
• If Auto power off is not set, the unit will not turn off even
though the boat’s ignition is turned off. To turn off, you 
need to turn off the unit manually. 
3-2 Brightness, Night mode
and Background
You can change the screen setting for the display. To change 
settings, press PWR quickly.
Brightness
To change the brightness, select Brightness, and press 
to dim or to brighten. 
Press ESC to return to the previous screen.
Night mode
The chartplotter has preprogrammed settings allowing you 
to customize the look of the Chart window. The default is 
daytime view. 
To change mode:
1 Highlight Night mode.
2 Press or ENT.
Tip: The screen will be difficult to read if the chartplotter is in 
night mode when the sun is too bright
Background
You can change the background colour if you prefer. Select 
the option that gives you the clearest viewing for the weather 
conditions and viewing angle. 
3-3 The page window
Press PAGE to show the page window and select the 
function icon you want to display.
Note 
1. Some function icons require optional sensors connected. 
2. If you press PAGE one more time in the main window, the 
favorite window option is displayed.
