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Appendix
Replace a handset
If you want to replace a handset or
To make deregistration easier, read all of the instructions on this page before you begin.
To deregister all handsets:
1.Press and hold /FIND HANDSET on the telephone base for about 10 seconds until the IN USE light flashes, then release FIND HANDSET.
2.Press /FIND HANDSET again. You must press
/FIND HANDSET while the IN USE light is still flashing. The IN USE light flashes for about seven seconds.
3.All system handsets show Out of range OR No power at base for a few seconds and then Press and hold FIND HANDSET on base for 4 sec, then press # on handset when the deregistration is completed. The deregistration process takes about 10 seconds to complete.
If deregistration fails, you may need to reset the telephone and try again.
To reset:
•Press and hold OFF/CLEAR or place the handset back in the telephone base.
•Unplug the power from the telephone base, then plug it back in.
After deregistering, register each handset individually. See Add and register a handset on page 75.
You cannot deregister handsets if any system handset is in use.
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