User's Manual

GV300W User manual
TRACGV300WUM001 - 14 -
3.5. Switch on the Backup Battery
To use the GV300W backup battery, the switch must be in the ON position. The switch on
the case and the ON/OFF position are shown below.
Figure 7. Switch and ON/OFF Position
Note:
1. The switch must be in the “OFF” position when the GV300W is shipped on an aircraft.
2. When the switch is in the “OFF” position, the battery cannot be charged or discharged.
3.6. Install the External GPS Antenna (Optional)
There is a SMA GPS antenna connector on GV300W. The GV300W will automatically detect
and use an external antenna when connected.
Figure 8. GPS Antenna of GV300W