Sharp Mobilon HC-4000 Operation Manual page 20

8. Insert the supplied CR2032 lithium battery with the plus (+) sign facing up.
9. Put the backup battery cover back in place and slide the battery replacement
switch to the NORMAL OPERATION position.
Note:
You cannot slide the battery replacement switch to the NORMAL
OPERATION position if the battery pack is not completely inserted.
The unit operates only when the battery replacement switch is in the
NORMAL OPERATION position.
Caution:
Avoid placing your finger in the space left when you remove the battery pack. Your
finger may become trapped when you close the unit.
18