Sharp Mobilon HC-4000 Operation Manual page 19

3. Slide the battery replacement switch to the NORMAL OPERATION position.
If this proves difficult, check to make sure the battery pack is completely
inserted.
4. Plug the supplied AC adaptor into an AC outlet, and then connect the AC
adaptor plug to your unit. Your unit should now start charging and the
Notification indicator on the unit become amber.
Note:
Make sure your unit is turned off. You cannot charge the installed battery pack
while the unit is turned on.
The actual shape of the
AC adaptor plug may
differ depending on the
country of purchase.
5. The charging process takes about 3 hours. When the Notification indicator
goes off, the battery pack is fully charge. Disconnect the AC adaptor from the
AC outlet as well as the unit.
6. Slide the battery replacement switch to the REPLACE BACKUP BATTERY
position.
7. Use a ballpoint pen to open the backup battery cover. Do not use th stylus.
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