4
Inserting the battery into the main unit
By using the battery, you can make or receive calls from the main unit or the portable handset in the event of a power
failure. (See “Making or receiving a call during a power failure (Simplified power failure voice call)” on page 27.)
1
Open the battery cover.
Pull the battery cover toward you while
retaining the lever in the direction of the
arrow.
2
Insert the battery into the compartment.
The battery is the same as the battery
in the portable handset.
3
Close the battery cover.
Close the cover by pushing this part in the
direction of the arrow.
The charging time for the battery of the main unit is about 10 hours.
