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96047 First Edition 3-7
Installation Overview
Voltage Sensitivity
When the UPS detects distortions with the input power (by default), it reacts by
transferring the UPS to battery operation to protect the loads. Also, when the
quality of the power is poor, the UPS may frequently transfer to on-battery
operation. If the loads can operate normally under such conditions, the capacity
of the battery and service life may be conserved by reducing the sensitivity of
the UPS.
Note: The following procedure may require two people to perform.
To set the voltage sensitivity:
1. Using a pointed object (such as a pen), press the configuration button on
the rear panel of the UPS.
a. Press it once to set the sensitivity to reduced.
b. Press it again to set the sensitivity to low.
c. Press the button a third time to reset the sensitivity to normal.
2. When the UPS is set to normal sensitivity, the configuration LED is brightly
lit. When set to reduced sensitivity, the LED is dimly lit. When set to low
sensitivity, the LED is off.
Low Battery Warning
The low battery warning occurs when there are approximately two minutes of
on-battery run time remaining (by default). Two minutes may not be enough
time to gracefully shut down the library and tape drives.
To change the warning interval:
1. Using a pointed object (such as a pen), press the configuration button on
the rear panel of the UPS while pressing and holding the front panel
TEST
button.
a. Press the configuration button once to set the low battery warning
interval to approximately five minutes.
b. Press it again to set the interval to approximately seven minutes.
c. Press the button a third time to reset the interval to two minutes.