A01-00159 Rev B
15
3.0 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 3 seconds to
disable or enable the alarm system. But it is 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
3 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, input
current, battery voltage, battery current, battery capacity,
ambient temperature, output voltage, output frequency,
load current and load percent.
•
Setting mode: Press and hold this button for 3 seconds to
enter UPS setting mode when Standby and 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 3
seconds. Then UPS will enter to bypass mode. This action
will be ineffective when the input voltage is out of
acceptable range.
•
Exit setting mode or return to the upper menu: When
working in setting mode, press ON/Mute and Select
buttons simultaneously for 0.2 seconds to return to the
upper menu. If it’s already in top menu, press these two
buttons at the same time to exit the setting mode.
