Powering Up the Unit
The GS20 operates on a single battery. Once a battery is fully charged, you are ready to power up
the GS20.
Remember: Although the unit can power on without the flash card, most functionality will not be
available.
1. Open the GS20 Battery door by turning the door latch 90 degrees counterclockwise, and pull open the
battery door.
2. Place the battery in the well with the gold contacts facing down and making contact.
3. Shut the battery door and return the latch to the locked position, with the spin arrow facing upward
toward the dot on the housing.
4. On the keypad, depress the Power Button in the Lower Left corner, just left of the 0 key. Startup will
be followed by an audible tone, then after a memory check (2 to 3 seconds) the GS20 Splash Screen will
be followed by the Main Menu.
5. Once the Main Menu appears, the receiver will begin to search and acquire satellites.
Make sure that the GS20 has a clear view of the sky!
GS20 Quickguide – WoRCS RTS
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