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200206186 SmartPro XL Owner’s Manual 93-2078.qxd 7/30/02 5:07 PM Page 5

Basic Operation

Use the ON/OFF button to do three things:

Switch your UPS’s Operating Mode: While your UPS is plugged into a live AC outlet, press the ON/OFF button and hold it until you hear a beep (about 2 seconds) to toggle between the following operating modes. Choose your UPS’s operating mode based on the regional guidelines in Step 3 of the Quick Installation section.

•UPS Mode: ENABLES battery backup. UPS Conditions: The UPS charges its battery and supplies power at its receptacles when it is receiving utility line power. If utility power fails, the UPS provides power from its batteries. The “” indicator light is lit. Setting Advantages: Provides battery backup during blackouts or brownouts.

•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 “” indicator light is flashing. Setting Advantages: Continues to charge the battery 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 connected 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 will stay lit and the UPS will continue to beep after the test; if this happens, remove some of the load

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