27
XXX
Setup Date Label
（
accessory
）
Y .M
Set up Date
Fill the year and month
Example
Y
2007
．
M
05
Notice
The life of the battery is about 2 years while it varies depending on the use
environment and operating conditions. If the battery pack is used after its life,
the maximum data backup time (72 hours) cannot be secured. Replace such a
battery pack with a new one as soon as possible following "Chapter 3
Operation and Maintenance."
