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User Maintenance
Batteries
Your CASSIOPEIA is powered by a dual power supply that consists of a main battery
(rechargeable battery pack) and a backup battery (CR2032 lithium battery).
• We recommend that you use the Power Properties to keep informed about the current
levels of your main and backup batteries. See the separate Pocket PC User’s Guide
and Pocket PC online help for more information about this properties.
Important
The following messages appear whenever battery power drops below a certain level.
Main Battery
Recharge the battery pack as soon as possible after the following message appears.
“Main Batteries Very Low
To prevent possible data loss, replace or recharge your main batteries according to
the owner’s manual.”
Backup Battery
Replace the backup battery as soon as possible after the following message appears.
“Backup Battery Very Low
To prevent possible data loss, replace or recharge your backup battery according
to the owner’s manual.”
• You can monitor the current battery power level accessing Power Properties or by
checking the battery icon in the command bar of the Today screen.
• Whenever the low battery warning message appears, especially if it appears right
after you turn on power, follow the instructions that appear on the screen and replace
batteries as soon as possible. Continued use under low battery power can cause
unstable performance of your Pocket PC.
• Data stored in memory can be lost if you continue operation after the low battery message
appears or if you incorrectly load batteries. Be sure to always back up important data on
your desktop computer hard disk or on a CompactFlash card. See ActiveSync Help for
information about backing up files to a desktop computer.
• See the Card Backup Tool manual (PDF file) on the CASSIOPEIA Application CD-
ROM for information about backing up data to a CompactFlash card for information
about using the Card Backup Tool program to back up data to a CompactFlash card.
• Never remove the main battery and backup battery from the CASSIOPEIA at the
same time. Doing so causes all data stored in memory to be deleted.
• Should the main battery and the backup battery both require replacement, be sure to
always replace the main battery first.
• Use the rechargeable battery pack for the main battery and a CR2032 lithium battery
for the backup battery. Never use any other type of batteries.