Getting started
Optional backup battery installation
Install four AA batteries (purchased separately) to use some features of 
this telephone in the event of a power failure. If power fails with working 
batteries installed, all the lines of this telephone will work only with the 
corded handset. You can answer calls, and dial calls using the telephone 
base dial pad and the one touch or redial features. No other features will 
work until AC power is restored. 
Install the telephone base as shown below: 
NOTES: 
Use disposable AA alkaline batteries only. Do not use rechargeable batteries. 
When there is no AC power, the screen backlight is off. 
1.
2.
Open the backup 
battery compartment 
cover.
Step  1
Place the batteries 
in the compartment 
following the polarity 
label +/-.
Align the cover flat 
against the battery 
compartment, then 
slide it to the left 
until it clicks into 
place to lock the 
cover.
Step  3
Step  2
9