Front Panel Switches
“ON/TEST” Switch: This switch controls four separate UPS functions:
UPS Power ON: To turn the UPS on, press this switch, hold it for several seconds until you hear a beep, then release it. The “ON LINE” LED will illuminate.
UPS Self-Test: During normal on-line operation, press this switch and hold it until you hear a beep. This initiates a 10-second self-test of the battery. The UPS will shift to battery power (the “ON BATT” and “BATTACTIVE METER” LEDs will illuminate) for ten seconds.
Alarm Silence: To silence the UPS “on-battery” alarm, press this switch and hold it until you hear a beep.
UPS Cold Start: To use your UPS as a stand-alone power source when AC power is unavailable (i.e. during a blackout), press this switch and hold it until you hear a beep. The UPS will then provide bat- tery power to its outlets.*
*The “ON BATT” Indicator Light will be illuminated since your UPS will be operating from battery power.
“OFF” Switch: This switch turns power OFF at the UPS receptacles. Press this switch, hold it until you hear a beep, then release it. The UPS will continue charging and the fan will continue to cool internal components even after you turn the UPS receptacles off. To turn the UPS OFF completely, including the charger, disconnect the UPS’s power cord after pressing the “OFF” switch.
Front Panel Indicator Lights
“ON LINE” LED: This green light will be lit when the UPS is in normal on-line operation (filtering and resynthesizing incoming AC line voltage to provide pure sine wave output). When this light is illuminated, you can monitor the load level of your UPS on the “LOAD ACTIVE METER” LEDs.
“LINE” LED: This green light will be lit when the utility-supplied AC line voltage at your wall outlet is nominal. It will flash if the line voltage or frequency is outside the nominal range (either too low or too high). No action is required on your part when the LED flashes; the UPS continuously and automatically filters AC line power to pro- vide your equipment with pure sine wave AC power, regardless of brownout or overvoltage conditions. If this light is off, then AC line voltage is not present (blackout) or is at an extremely high voltage.
