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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 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.  Aer about 20 seconds, when the IN USE light starts ashing, release FIND HS and then press it 
again within two seconds.
When the phone successfully enters the CEC battery charging testing mode, the IN USE light 
turns o and all handsets display To register HS... and ...see manual, alternately.
When the phone fails to enter this mode, repeat all the steps mentioned above.
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 page 72 for handset registration 
instructions.