8
3. Operations
3-1 Button operation
Button
Function
ON Button
Turn on the UPS
: Press and hold ON button for at least 2
seconds to turn on the UPS.
Down key
: Press this button to display next selection in
UPS setting mode.
Exit setting mode
:Press this button to confirm seletion
and exit setting mode when LCD display the last selection
in UPS setting mode.
OFF Button
Turn off the UPS
: Press and hold this button at least 2
seconds to turn off the UPS in battery mode. UPS will be
in standby mode under power normal or transfer to
Bypass mode if the Bypass enable setting by pressing this
button.
Switch to bypass mode
: When the main power is
normal, press and hold this button for 2 seconds. Then
UPS will enter to bypass mode. This action will be
ineffective when the input voltage is out of acceptable
range.
Up key
: Press this button to display previous selection in
UPS setting mode.
Select/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 + Select
Button
Setting mode
: Press and hold this button for 5 seconds to
enter UPS setting mode.
