5
3. Operations
3-1. Button operation
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: When the UPS is on battery mode, press and hold this
button for at least 5 seconds to disable or enable the alarm system. But it
will be automatically enable when next 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 5
seconds to enter UPS self-testing while in AC mode, ECO mode, or
converter mode.
OFF/Enter Button
Turn off the UPS: Press and hold this button at least 2 seconds to turn
off the UPS. UPS will be in standby mode under power normal or
transfer to Bypass mode if the Bypass enable setting by pressing this
button.
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 5 seconds to enter UPS
setting mode when UPS is in standby mode or bypass mode.
Down key: Press this button to display next selection in UPS setting
mode.
ON/Mute + Select
Button
Switch to bypass mode: When the main power is normal, press ON/Mute
and Select buttons simultaneously for 5 seconds. Then UPS will enter to
bypass mode. This action will be ineffective when the input voltage is out
of acceptable range.
3-2. LCD Panel
