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Changing the External Battery
You can change out an external battery in the field.
The batteries should be replaced while the CRUs are operational and transmitting to the FSU-2Es. If the CRUs are not running,
Caution
the FSU-2Es may lose the timing reference and waste battery power.
Equipment
Uses the following equipment
•
Charged external battery and cable
•
NavTool
•
Magnet
1.
Navigate to station location where the battery needs to be changed.
Unplug the external battery from the FSU-2E.
2.
3.
Plug the new battery into the FSU-2E. The FSU-2E will reboot when the battery is attached.
4.
If the FSU-2E does not reboot, power on the FSU-2E by swiping with magnet.
Verify that the NavTool connects to the FSU-2E.
5.
6.
Using NavTool, troubleshoot and select the battery to replace.
7.
Return the discharged to the Battery Charging Module for checking and recharging.
FireFly Field Operations Quick Reference Guide
11
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