APC 750 user manual Operation

2:OPERATION

SMART-UPS FRONT PANEL

Power On

Power Off

Online	The online LED illuminates when the UPS is supplying utility power to
	the connected equipment. If the LED is not lit, the UPS is either not
	turned ON, or is supplying battery power.

AVR Trim

AVR Boost

On Battery

Overload

This LED illuminates to indicate the UPS is compensating for a high utility voltage.

This LED illuminates to indicate the UPS is compensating for a low utility voltage.

When the on battery power LED is lit the UPS is supplying battery power to the connected equipment. When on battery, the UPS sounds an alarm—four beeps every 30 seconds.

The LED illuminates and the UPS emits a sustained alarm tone when an overload condition occurs.

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