PS500B/PS800B | 5 |
Front Panel Controls
2.2On/Off Button
The On/Off Button has two functions:
1.When the UPS is off and AC power is present, press the On/Off button for more than 2 seconds（till the LED light） to turn on the UPS.
If the “Dip switch#1” is ON, the UPS can be turned on even without AC power.
2.When the UPS is on, press the On/Off button for more than 3 seconds to turn off the UPS and output power.
2.3Test/Silence Button
The test/Silence Button has two functions:
1.Pressing the Test/Silence Button when AC power is available causes the UPS to test itself by switching to its internal battery for a few seconds. We recommend you close all your open files before initiating this test.
2.If AC power fails, the UPS warns you with an audible alarm. To silence the alarm, press the Test Button. When the battery starts to get low, the audible alarm will return and beep faster.
2.4Status Indication
UPS Status Indication
Battery Mode: When this LED is lit, the UPS is providing power from its battery. Also, this LED is lit when you press the Test/Silence button to test the battery. After the UPS beeps twice, is will resume Normal Mode.
Normal Mode: When this LED is lit, the UPS is in normal mode, and providing power to your equipment. The output voltage will be equal to the input voltage. The UPS will continue to filter and surge protection.
