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9.
Attach the left side of the front panel.
Insert the tab on the right side of the panel into the unit, and push the panel toward the unit.
➀
Use a screwdriver to securely tighten (turn clockwise) the 2 screws on the left side of the front panel.
➁
Insert the tab on the right side into the hole in the unit,
and push the panel toward the unit.
Securely tighten the 2 screws.
1
2
Battery replacement is now complete.
<After replacing the battery during operation...>
If the battery replacement indicator is ON and beep sounds before replacing the battery, press the
beep stop/test button once to stop the beep and then press the button for 5 and more seconds to
perform a self-diagnostic test. Normal operation resumes after the test for about 10 seconds.
<After replacing the battery with operation stopped...>
Connect the AC input to a commercial power source, and turn ON the BUM100R/300R power
switch.
When operation starts, the self-diagnostic test is automatically performed. Normal operation re-
sumes after 10-second test.
Write the date you start using the battery on the included battery replacement date label, and
attach it to BUM100R/300R.
Also, the UPS monitoring software included with the UPS enables to keep a record of the
software usage start date