About Your New Ups - NEC 500 UPS User Manual

100 vac
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Important!
Please read and save this manual. It provides installation and operating instructions that will help you get the fullest
performance and service life from your UPS.

About Your New UPS

This Uninterruptible Power Supply (UPS) is designed to prevent blackouts, brownouts, sags and surges from reaching your
computer and other valuable electronic equipment. This UPS also filters out small AC voltage fluctuations and isolates your
equipment from large disturbances by internally disconnecting from the AC voltage, while supplying power from its internal
batteries until the AC voltage returns to safe levels.
While running on battery, an internal alarm will sound (periodic beeps). The ON/TEST button may be pressed to silence the
UPS alarm for this or any other fault condition.
If the AC voltage does not return, the UPS will continue supplying power to the connected equipment until exhausted. A
sustained tone will sound three minutes before the UPS's final low battery shutdown. The interface software provides automatic,
unattended shutdown.
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