29
Yellow
On
The UPS is in Battery mode.
Green
On
The UPS is operating normally.
NOTE
When power on or startup , these indicators will turn on and off
sequentially.
NOTE
On different operation modes , these indicators will indicate
differently. Refer to Table 7.
Table 2 . Button function
Button
Function description
Start up combination
（ + ）
TOWER: Press and hold this key for more than half
a second to turn on the UPS.
RT: Press and hold this key for more than half a
second to turn on the UPS or to turn off the UPS.
Shutdown/Rotating
combination（ + ）
TOWER: Press and hold this key for more than half
a second to turn off the UPS.
RT: Press and hold this key for more than 2
seconds to circumrotate the LCD .
Battery
test/Mute
combination
（ + ）
Press and hold the key for more than 1 second in
Line mode or economic (ECO) mode: UPS runs
self-test function.
Press and hold the key for more than 1 second in
battery mode: UPS runs mute function.
Scroll or
Non-function setting mode:
Press and hold the key for more than half a
second (less than 2 seconds): Indicate the items of
the LCD item section orderly.
Press and hold this key for more than 2 seconds:
Circularly and orderly display the items every 2
seconds, when press and hold the key for some
