HP 600 Series User Manual page 119

When you replace the main battery, your new battery must be charged before
your HP Jornada will turn on. For information on charging the main battery,
refer to the Connecting the AC adapter section in chapter 2.
1. Turn off your HP Jornada and disconnect the sync cable if it is
attached.
2. Slide the audio lock to the left if it is unlocked. (No green dot should
be visible. The green dot indicates that the audio buttons are un-
locked.)
3. Slide the battery release button on the bottom of the HP Jornada.
4. Pull the original battery pack away from the device.
5. Insert the new battery pack and push firmly until it clicks into place.
The coin-sized, lithium ion backup battery does not provide enough power to
operate your HP Jornada. It is intended only to protect your data until the
main battery is recharged.
1. Using a small, Philips screwdriver, unscrew the cover plate from the
backup battery compartment. Be careful not to misplace the small
screw.
2. Remove the backup battery.
3. Insert a new 3-V CR2032 coin cell battery into the backup battery
compartment with the positive (+) side facing up.
4. Replace the cover plate and the screw.
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