15
on front panel.
3.1.5. UPS self-test/mute test operation
1). When UPS is on utility mode, press and hold the FUNCTION button for 1 second, the buzzer will sound
once every 4 seconds, the LED lights light around at the same time as the UPS runs self-testing, and it will
last for 10 seconds.
2). When UPS is on battery mode, the buzzer stops beeping if you press and hold the FUNCTION button
for 1 second, and it will restart to beep if you press and hold the ON/OFF button for one more second.
*
Off
–
charging model
When utility is on and the UPS is not switched on, then the LCD status figure will show block
“
LINE
”
and
“
BATTERY
”
, without output. The UPS will charge the battery in this mode.
Off-charging mode
3.2. Operating mode
3.2.1. Utility mode
On utility mode, the indication and displays are as following figures:
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