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3400723200/AC - Page 19
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3. Operation
3.3 Operation on battery power (following failure of AC-input power)
Transfer to battery power
The AC-input power is out of tolerances, LED 11 goes ON.
During operation on battery power, the buzzer beeps every ten seconds.
The equipment connected to the UPS is supplied by the battery.
Threshold for the low-battery warning
When the threshold is reached, the buzzer beeps every three seconds.
The low-battery warning threshold can be set by the user, with the “UPS
Driver” software.
There is very little remaining battery backup time. Close all applica-
tions because UPS automatic shutdown is imminent.
When the battery reaches the end of its backup time, the UPS shuts down
and all the LEDs go OFF.
The equipment is no longer supplied with power.
11
The UPS automatically restarts when power returns.
If the UPS does not restart, check that the “automatic restart when power returns” function has not been disabled (see sec-
tion 3.4 Personalization).
11