Panasonic JS-925WS-010 Service Manual page 43

The AC Power is turned off by user manually within 10 seconds. (The power supply keeps from the battery.)
And then, user needs to turn ON again manually.
Please Turn Off AC Power, re-plug in again when you hear beep sounds
Press [F1] key to exit.
Test Result is ok
Battery Status is Good. (or Low Battery.)
ENTER 1 (OK) or 2 (NG)
OK or NG is selected.
The message of "Good" means "Battery" is charged enough.
The message of "Low Battery" means "Battery" needs to be charged.
If battery is not enough charged for back up, the system will turn off.
Please Turn Off AC Power, re-plug in again when you hear beep sounds
Press [F1] key to exit.
Test Result is ok!
Battery Status is Good (or Low Battery.)
Test done. Press any key.
If user does not turn off the AC Power within 10 seconds, NG will be displayed.
Please Turn Off AC Power, re-plug in again when you hear beep sounds
Press [F1] key to exit.
Test result is NG.
NOT detected AC OFF !!
ENTER 1 (OK) or 2 (NG)
******* Status Check Test. *****
***** Status Check Test. *****
***** Status Check Test. *****
35
2(NG)
1(OK)
Exit
Exit