User's Manual

GV300N User manual
TRACGV300NUM001 - 15 -
3.5. Switch on the Backup Battery
To use the GV300N 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 GV300N 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 GV300N. The GV300N will automatically detect and
use an external antenna when connected.
Figure 8. GPS Antenna of GV300N