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3. Presentation
3.1 Front panel
With the UPS plugged in, press the on/test button to turn on the UPS and power the loads. See
Sec. 5.1. On/test also activates the UPS’s self-test and utility line voltage displays. See sections 5.3
and 5.6.
The overload LED lights when the loads connected to the UPS exceed the UPS’s capacity. See sec-
tion 6.2.
The battery charge/line voltage display shows the present battery charge as a percentage of battery
capacity. See section 5.5. It also displays the voltage of the utility line. See section 5.6.
The on-battery LED comes on when the UPS is supplying battery power to the loads.
The replace battery LED comes on when the UPS’s battery is no longer useful and must be re-
placed. See section 10.
Press the off button to turn off the UPS and the load. See section 5.2.
The SmartBoost LED comes on when the UPS is correcting a low utility voltage condition. The
loads receive normal power.
The on-line LED comes on when the UPS is supplying utility power to the loads.
The load display shows the power being drawn by the load. See section 5.4.
The SmartTrim LED comes on when the UPS is correcting a high utility voltage condition. The
loads receive normal power.