Opti-ups VS575C User Manual download pdf (Page 13)

VS375C/VS575C 7

2. UPS CONTROLS

2.1 External Views

2.2 Power On/Off/Test/Silence Button:

The On/Off/Test/Silence Button has four functions:

1. When the UPS is off and AC power is present, press this button for more than 3

seconds to turn on the UPS. The UPS can be turned on even when AC power is

not present.

2. When the UPS is on, press this button for more than 3 seconds to turn off the

UPS and output power.

3. When the UPS is operating in “Battery” mode, you can silence the alarm by

quickly pressing the power button. (This function is disabled when the UPS has

a “LOW BATTERY” or “OVERLOAD” condition).

4. Quickly press the button while the UPS is under “AC” mode, and the UPS will

perform an automatic self-test procedure.

* “No load shut down” function: As a battery saving feature, the UPS will

automatically turn off if none of the connected equipment is operating while the

UPS is in back-up mode. Once normal utility power returns, the unit will wake up

automatically.

2.3 Status Indication

UPS Status Indication: Front Panel LED

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Opti-ups VS575C User Manual Page 13