Table of Contents
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Hardware Components
Front View
No.
Item
1.
Menu
2.
Backlight
3.
Zoom out
4.
LCD screen
5.
Four way
navigation
keys
1
2
3
Function
Press once to display the OSD menu.
Press twice to display the Main Features menu.
Press and hold to turn the backlight on/off.
Press to zoom out on a map page.
Hold for 2 seconds to display/clear roads, river,
lakes...etc. (GM-120C)
Displays the map page, satellite information, OSD
menus and so on.
Up arrow: Press to move the cursor up in OSD
menus or on the map page.
Down arrow: Press to move the cursor down in
OSD menus or on the map page.
Left arrow: Press to move the cursor left in the
OSD menus or on the map page.
Right arrow: Press to move the cursor right in the
OSD menus or on the map page.
2
4
5
6
7
8
9
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