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Appendix
Deregister 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
Make sure that all handsets are out of the telephone base and chargers
before you begin deregistration.
Press and hold /HANDSET LOCATOR on the
telephone base for about 10 seconds until the IN USE
light flashes, then release /HANDSET LOCATOR.
Quickly press /HANDSET LOCATOR again. You must
press /HANDSET LOCATOR while the IN USE light is
still flashing. The IN USE light flashes for about seven
seconds. If the light stops flashing, start again with Step
1 above.
All system handsets show To register, see user manual and you hear a
confirmation tone when the deregistration completes. The deregistration
process takes about 10 seconds to complete.
After deregistering, register each handset again individually following the
registration instructions on the previous page.
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
above. After the handset is charged for at least ten minutes, the screen shows To register, see
user manual.
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