Warranty Registration - Tripp Lite OMNIPOWER PRO550 Owner's Manual

Basic Operation
UPS Self-Test
• Initiate a UPS self-test by pressing the ON/OFF/TEST/MUTE button
UPS is ON and operating from utility power.
(Note: If you hold the ON/OFF/TEST/MUTE button for only 1 second, the UPS will turn OFF, interrupting the flow of power to
connected equipment.)
• During the self-test operation, the UPS will switch to On Battery mode for 20 seconds. The alarm
will emit a beep 4 times every 7 seconds.
• Do not attempt to test the UPS by unplugging it from the wall outlet. This will remove the UPS
system's ground connection and places connected equipment at risk.
UPS Cold Start
• To use the UPS system as a stand-alone power source when AC power is unavailable (i.e. during a
blackout), press the ON/OFF/TEST/MUTE button
1 second has elapsed) to turn the UPS system ON. The UPS will then provide power to its output
receptacles until battery reserves have been depleted.
• Do not attempt to cold-start the UPS system while it is disconnected from the wall outlet. The wall
outlet provides grounding that helps to protect connected equipment.
Mute Alarm
• Mute the audible alarm by pressing the ON/OFF/TEST/MUTE button
Note: Muting is disabled if a Low Battery or Overload condition is detected.

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5
for 2 seconds while the
A
for 1 second (the UPS will beep when
A
A for 2 seconds.