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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
1. Remove any handset from the telephone base. Press and hold HOLD on
the telephone base for about 10 seconds until the telephone base displays
Deregister all handsets?
2. Press the YES soft key. There is a confirmation tone.
3. The deregistration process takes about 10 seconds to complete. All
handsets show Press [HOLD] on base for 4 sec, then press [#] on
handset when the deregistration completes.
If deregistration fails, you may need to reset the telephone and try again.
To reset:
1. Pick up the registered handset and then press LINE 1/FLASH or
LINE 2/FLASH.
2. Press OFF and then place the handset back in the telephone base.
-OR-
Unplug the power adapter from the telephone base, then plug it back in.
NOTES:
You cannot deregister a handset if any system handset or telephone base 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 10 minutes, the screen shows Press [HOLD]
on base for 4 sec, then press [#] on handset.
83


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