7
LA-ON-LCD
-V.09
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’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
simultaneously 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 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.
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. It will return back to default display when pausing
for 10 seconds.
Setting mode: Press and hold this button for 3 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 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.
3.2. LCD Panel
