Appendix 
121
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 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 
plugged with charged batteries before proceeding.
2.  While you 
press and hold  /HANDSET LOCATOR, plug the telephone base power adapter back to 
the power outlet.
3.  After about 20 seconds, when the 
IN USE light starts flashing, release  /HANDSET LOCATOR and 
then press it again within two seconds.
The process takes up to one minute to complete. When the phone successfully enters the CEC 
battery charging testing mode, the IN USE light turns off and all handsets display  
To register HS, see manual. You hear a confirmation tone.
When the phone fails to enter this mode, repeat the steps mentioned above.
Note: The telephone base will be powered up as normal if you fail to press  /HANDSET LOCATOR 
         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 
97-98 for handset  
registration instructions.
BC