Appendix 
95
Deregistering handsets
You may need to deregister your handsets if:
You have 12 registered handsets and need to replace a handset.
-OR-
You wish to change the designated handset number of your  
registered handsets.
You must first deregister ALL handsets, and then register each 
handset you wish to use again, one at a time.
Please read carefully through all the instructions on this page 
before beginning the deregistration process.
Deregister all handsets from the telephone base
In addition to the cordless handsets, this operation will also 
deregister all cordless headsets registered to your telephone base.
 1. Make sure that all handsets are out 
of the telephone base and chargers 
before you begin deregistration.
2. Press and hold 
/HANDSET LOCATOR 
on the telephone base for about ten 
seconds (until the IN USE light starts to 
flash). Release  /HANDSET LOCATOR.
3. Immediately press 
/HANDSET 
LOCATOR while the IN USE light is still flashing. (If the light 
stops flashing, start again with Step 1.)
4. It takes up to ten seconds to complete the deregistration 
process. Before registering the handset again, wait for the 
cordless handset screen to display To register HS, see manual.
5. To register the handset(s) to the telephone base again, follow 
the registration instructions on pages 93-94. 
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