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• CHARGE ONLY Mode: DISABLES battery backup. UPS
Conditions: The UPS charges its battery and supplies power at its
receptacles when it is receiving utility line power. The “ ” indica-
tor light is flashing. Setting Advantages: Continues to charge the bat-
tery when power is present while turning OFF the inverter to prevent
battery depletion during power outages when equipment is not in use.
Cold-Start Your UPS: You may “cold start” your UPS and use it as a
stand-alone power source when utility power is not present, providing
that the UPS battery is charged. To “cold start” your UPS, press and
hold the ON/OFF button until you hear a beep (about 2 seconds), then
release it. The “ ” indicator light will illuminate and AC power
inverted from stored battery power will be provided at its receptacles.
Shut Down Your UPS: Press and hold the ON/OFF button when AC
line power is absent (i.e. during a blackout, or when the UPS is
unplugged) to deactivate your UPS.
Use the MUTE/TEST button to do two things:
Silence the UPS On-Battery Alarm: Press and hold this button to
silence the UPS On-Battery alarm, a series of short beeps followed by
a brief pause that is activated when the UPS is providing AC power
from battery. Note: When the battery is nearly depleted, the Low
Battery alarm—a continuous beep that cannot be silenced—will alert
you to immediately shut down connected equipment.
Run a Self-Test: Your UPS performs a self-test whenever it is first
plugged in. To have it run a self-test at another time, leave your con-
nected equipment on. With your UPS plugged in and in the UPS mode,
press and hold this button until you hear a beep (about 2 seconds) then
release it.
Results of a Self-Test: All the LEDs* will be lit and the UPS will emit
several short beeps as it momentarily switches to battery to test its
charge and load capacity. The test will last at most 10 seconds. If the
inverter is overloaded, the “ ” LED (on select models) will stay lit
and the UPS will continue to beep after the test; if this happens, remove
some of the load and run the self-test again. If the batteries seem weak,
the “ ” LED will stay lit and the UPS will continue to beep after the
test; if this happens, let UPS charge its batteries for 12 hours and repeat
the test. If the condition persists, contact Tripp Lite for service. CAUTION:
Do not unplug your UPS to test its batteries. This will remove safe
electrical grounding and may introduce a damaging surge into your
network connections.
* Depending on the condition of the incoming voltage the “VOLTAGE REGULATION”
LED may or may not be lit.
Basic Operation
continued
200306109 OmniSmart and SmartPro USB Owner’s Manual.qxd 7/14/2003 4:56 PM Page 5