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3. Operation
3.1 Button operation
Button View
Button
Function
ON/Mute Button
Turn on the UPS: Press and hold ON/Mute button for at least 2 seconds to
turn on the UPS.
Mute the alarm: After the UPS is turned on in battery mode, press and hold
this button for at least 3 seconds to disable or enable the alarm system. But
it’s not applied to the situations when warnings or errors occur.
Up key: Press this button to display previous selection in UPS setting
mode.
Switch to UPS self-test mode: Press and hold ON/Mute button for 3
seconds to enter UPS self-testing while in AC mode
OFF/Enter Button
Turn off the UPS: Press and hold this button at least 2 seconds to turn off
the UPS
Confirm selection key: Press this button to confirm selection in UPS setting
mode.
Select Button
Switch LCD message: Press this button to change the LCD message for
input voltage, input frequency, battery voltage, output voltage and output
frequency.
Setting mode: Press and hold this button for 3 seconds to enter UPS
setting mode when UPS is off.
Down key: Press this button to display next selection in UPS setting mode.
ON/Mute + Select
Button
Rack or Tower display switch: Press Select and OFF/Enter buttons
simultaneously for 3 seconds. The display change from/to Rack to/from
Tower.
