MGE UPS Systems 3000 User Manual

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Page 16 - 
3400723100/AD
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3. Operation
3.1 Start-up
15
16
17
Press the ON / OFF button  15 .
The buzzer beeps and all the LEDs come ON.
The buzzer beeps twice during the self-test, then button  15  remains
ON, indicating that the receptacles are supplied with power.
AC power is present: Only button  15  is ON. The protected equip-
ment is supplied by the AC-power source.
AC power is absent: Button  15  and LED  16  are ON. The protected
equipment is supplied by the UPS, operating on battery power.
All the connected equipment is supplied with power.
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