5
English
3. Presentation

3.1 Front panel

With the unit plugged in, press the on/test button to turn on the unit and power the loads. See Sec.
5.1. On/test also activates the unit’s self-test and utility line voltage displays. See sections5.3 and 5.6.
The overload LED lights when the loads connected to the unit exceed the unit’s capacity. See section
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 unit is supplying battery power to the loads.
The replace battery LED comes on when the unit’s battery is no longer useful and must be replaced.
See section 10.
Press the off button to turn off the unit and the load. See section 5.2.
The SmartBoost LED comes on when the unit is correcting a low utility voltage condition. The loads
receive normal power.
The on-line LED comes on when the unit 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 unit is correcting a high utility voltage condition. The loads
receive normal power.