Appendix
172
Deregister handsets
You may need to deregister your handsets if:
f You have 12 registered handsets and need to replace a handset.
-OR-
f You wish to change the designated handset number of your
registered handsets.
You must rst 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 and speakerphones 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. The telephone
base screen shows Registering... Please wait for
ve seconds, then it shows Deregister all devices?.
Release /HANDSET LOCATOR.
3. Immediately press /HANDSET LOCATOR again or press YES. You must
press /HANDSET LOCATOR or YES within ve seconds. If the telephone
base returns to idle screen, start again with Step 1.
4. The telephone base shows Deregistered all devices when the registration
completes. 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 170-171.
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, see manual..
f If you already have 12 registered handsets, the telephone base shows Registration slots are full and sounds two beeps
in Step 2, as mentioned above. Continue holding /HANDSET LOCATOR until Deregister all devices? displays.
Deregister
all devices?
NO YES
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