Appendix
87
Deregistering handsets
You may need to deregister your handsets if:
• You have ve registered handsets and need to replace a handset.
-OR-
• You wish to change the designated handset number of your registered
handsets.
You must rst deregister ALL the 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 your 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 10 seconds
(until the IN USE light starts to ash). Release /HANDSET LOCATOR.
3. Immediately press /HANDSET LOCATOR again while the IN USE light is
still ashing. (If the light stops ashing, 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... and ... see manual.
5. To register the handset(s) to the telephone base again, follow the
registration instructions on the previous page.
NOTES:
f 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.
f You cannot deregister the handsets if any other system handset is in use.
f 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... and ... see manual.
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