User`s manual

D:\manual\UM_PCM-ULT\ML_Ult3k\661-UT3K-002-31.doc

KEVIN KU 第 16 頁 2003/3/4

3. O

PERATION

3.1 Switch on

While utility input is connected to the UPS, turn on the input circuit breaker and press the

"ON" button and keep pressing over than 0.5 second. After that, connect the electrical cords

of the equipment that is going to be used such as computer or monitor with the terminal on

the rear panel of UPS.

Don't overload the machine with all the equipment used. The buzzer will beep continuously to

indicate overload status. UPS will shut down automatically to protect the machine.

Attention

: If the power of UPS isn't supplied by utility but by the internal batteries to engage

the UPS, press the "ON" button and keep pressing for over 3 seconds.

CAUTION

: Never connect a laser printer or plotter to the UPS with other computer

equipment. A laser printer or plotter periodically draws significantly more power than

when its idle status, and may overload the UPS.

3.2 Switch off

By pressing and holding OFF button until the “LINE NORMAL” or “BACK UP” LED off.

3.3 Silence

When UPS is under “BACKUP” mode, press “ON” button more than 1 second to silence the

audible alarm. (The function is disable when UPS is under condition of “LOW BATTERY” or

“OVERLOAD”)

Note: At back-up mode, UPS can be automatically turned off if none of the connected loads

is operating.