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Basic Operation
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Front
Back
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Switch
1. Main Power Switch
This switch activates three separate UPS functions:
UPS Power
Press the switch, hold it for 3 seconds until you hear a beep then
release it during the beep to turn the UPS ON or OFF.*
Alarm Silence
When the on battery alarm is sounding, press this switch and
immediately release it to silence the UPS Alarm.
UPS Cold Start
In the absence of AC input, press this switch, hold it for 3 seconds
and then release it to turn your UPS ON and to use it as a stand-alone
power source (operating from the battery without AC input).**
* The UPS will execute a 10-second self-test when you turn it on. The “Normal" LED will illuminate and the UPS will beep
once to indicate the UPS is turned ON. If the UPS alarm sounds and the "Replace Battery" LED illuminates, turn your UPS
OFF, let your UPS charge its batteries for 12 hours and turn UPS back ON to repeat the automatic self-test. If alarm still
sounds, contact Tripp Lite for service at 1 (773) 869-1234. 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.
** The "Backup" LED will illuminate since your UPS will operate from battery power.
200004074 Smart 450 RTI 230V OM.p65 4/14/00, 3:11 PM5