8
FUNC/Mute
Button
Switch LCD message: Press this button to change the
LCD message for input voltage, input frequency, battery
voltage, output voltage and output frequency etc.
Mute the alarm: When the UPS is on battery mode,
press and hold this button for at least 2 seconds to
disable or enable the alarm system. But it’s not applied
to the situations when warnings or errors occur.
Switch to UPS self-test mode: Press and hold this
button for 2 seconds to enter UPS self-testing while in
AC mode.
OFF + FUNC
Button
Setting mode: Press and hold this button for 5 seconds
to enter UPS setting mode.
3-2 LCD display
There are 8 interfaces available in the LCD display
Item Interface Description Content Displayed
01 Input voltage
02 Battery voltage
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