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51033211EN/AC - Page 21
3. Operation
3.4 Failure of AC input power and operation on battery power
AC input power is not available, the battery steps in to supply the protected equipment.
Transfer to battery power
When AC-power source goes outside tolerances or fails
completely, LED goes ON and the buzzer beeps three times.
Threshold for the low-battery shutdown warning
The low-battery shutdown warning threshold can be set
by the user, with the "UPS Driver" software (default setting
equal to 20% of full backup time).
LED flashes when the setted level is reached.
The buzzer beeps every three seconds when less than 10% of
backup time remains.
There is very little remaining battery backup time.
Close all applications because UPS automatic
shutdown is imminent.
End of backup time
The buzzer sounds continuously.
Press button to turn the buzzer OFF.
The equipment is no longer supplied with power.
Sleep mode
This operating mode may be personalized using the "UPS Driver" software (see section 3.5).
It saves battery power when no equipment is connected to the UPS. Shutdown occurs after 5 minutes.
The UPS automatically restarts when the AC-power source returns to within tolerances.
Return of AC input power
If, in spite of the return of AC input power, the UPS does not restart, check that the automatic-restart function
(activated by return of AC input power) has not been disabled (see section 3.5).
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