Compaq 204451-002 - UPS T2200 XR Reference Manual page 28

The Status window provides the UPS model, part number, serial number, and
firmware revision, and the following status information:
I
UPS communications
I
UPS operational status
I
Utility power (online-interactive)
I
Battery charge
I
Backfeed relay
I
Battery
I
Utility ground fault detection
I
Inverter power
I
UPS overload detection
Select the Status arrows to scroll through the list.
Operation 3-3