1. Make sure your CASSIOPEIA is turned off.
•Press the power button to turn off power.
2. Turn the CASSIOPEIA over.
3.Slide the battery cover switch to BACK UP, and then remove the backup battery cover.
Battery cover switch 
4.Remove the old battery.
5.Wipe off a new lithium battery (CR2032) with a dry cloth, and load it into the
CASSIOPEIA.
Make sure the positive side is facing up, so you can see it.
6.Replace the backup battery cover.
7.Slide the battery cover switch back to LOCK.
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