7
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: After the UPS is turned on in battery mode, press
and hold this button for at least 5 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 ON/Mute buttons for 5 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,
output frequency and charger/discharger current.
Setting mode: Press and hold this button for 5 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
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
