145
Appendix
California Energy Commission battery charging testing 
instructions
This telephone is set up to comply with the energy-conserving standards right out of the box. 
These instructions are intended for California Energy Commission (CEC) compliance testing only. 
When the CEC battery charging testing mode is activated, all telephone functions, except handset 
battery charging, will be disabled.
To activate the CEC battery charging testing mode:
1.  Unplug the telephone base power adapter from the power outlet. Make sure all handsets are 
inserted with charged batteries before proceeding.
2.  While you press and hold FIND HS, plug the telephone base power adapter back to the power 
outlet.
3. Aerabout20seconds,whentheIN USE lightstartsashing,releaseFIND HS and then press it 
againwithintwoseconds.Youhearaconrmationtone.The IN USE lightturnsoandallhandsets
display To register HS... and ... see user manual alternately. Allow up to one minute for the process 
to complete.
If the phone fails to enter this mode, repeat Step 1 through Step 3.
The telephone base will be powered up as normal if you fail to press FIND HS 
within two seconds 
in Step 3.
To deactivate the CEC battery charging testing mode:
1.  Unplug the telephone base power adapter from the power outlet, then plug it back in. The 
telephone base is powered up as normal.
2.  Register your handsets back to the telephone base. See pages 121-122 for handset 
registration instructions.