User's Manual

GV50LTA Manage Tool User Guide
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3.5. Install a SIM Card
Open the SIM case and ensure the unit is not powered (unplug the 7Pin cable to the OFF
position). Slide the holder right to open the SIM card holder. Insert the SIM card into the holder
as shown below with the orange colour. Take care to align the cut mark. Then close the case.
Figure 3. SIM Card Installation
3.6. Switch on the Backup Battery
To use the GV50LTA backup battery, the switch must be in the ON position. The switch on the
case and the ON/OFF position are shown below.
Figure 4. Switch and ON/OFF Position
Note:
1. The switch must be in the “OFF” position when the GV50LTA is shipped on an aircraft.
2. When the switch is in the “OFF” position, the battery cannot be charged or discharged and
cannot be turned on.
ON
OFF
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