Appendix
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 81-82.
NOTES:
If the deregistration process fails, you may need to reset the system and try again. To reset,
unplug the power from the telephone base and plug it back in.
You cannot deregister the handsets if any other system handset is in use.
Even if the battery is depleted, you can still deregister the handsets by following the steps
mentioned above. After the handset is charged for at least ten minutes, the screen shows
To register HS, see manual.
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