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1. OPERATIONAL OVERVIEW
1.1 Controls
The GP-25 and GP-27 are operated by the touch control.
The chart plotter is mainly operated with
When you operate a key, a single beep sounds to tell you correct operation. For wrong
operation, two beeps sound. If you do not need the key beep, you can deactivate it
from [Home].
• [Home] menus, where you select options
• [Menu]
• Pop-up menus, where you select options
Control Description
Power key Press to adjust LCD brilliance.
Long-press to turn the power on or off.
[Center] key Tap to move the own ship to the center of the screen.
[Point] key Tap to put a point.
Long tap to put an MOB (ManOverBoard) mark at the own ship posi-
tion.
[Menu] key Tap to show [Menu].
[Home] key Tap to show [Home].
SD card slot: Card drive for SD card (chart card and memory card).
Mini USB connector: For maintenance and servicing.
Force Shutdown button: Forcibly shuts off the power. Should the screen freeze press
this button to turn the power off.
[Menu] key
[Home] key
[Point] key
[Center] key
Power key
Cover:
- SD card slot
- Mini USB connector
- Force Shutdown button
Pictured: GP-25
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