User's Manual

GV300CAU Series User Manual
5.3. Installing the Internal Backup Battery
GV300CAU has an internal backup Li-ion battery.
Figure 6. Backup Battery Installation
5.4. Switching on the Backup Battery
To use the GV300CAU Series backup battery, the switch must be at the ON position. The switch
and the ON/OFF position are shown as below.
Figure 7. Switch and ON/OFF Position
Note:
1.
The switch must beat the “OFF” position when the GV300CAU series is shipped on an aircraft.
2. Wh
en the switch is at the “OFF” position, the battery cannot be charged nor be discharged.
5.5. Installation of the External GPS Antenna (Optional)
There is an SMA GPS antenna connector on GV300CAU Series. The GV300CAU Series will
automatically detect and use the external antenna when it is connected.
Figure 8. External GPS Antenna of GV300CAU Series
Internal Battery Switch
External GPS Antenna Connector
QSZTRACGV300CUM0101 9