Deregistering Handsets - AT&T CL83101 User Manual

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 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
1. Press and hold /HANDSET LOCATOR on the telephone base for about
10 seconds (until the IN USE light starts to flash), then release the
/HANDSET LOCATOR button.
2. Immediately press
IN USE light is still flashing. (The light flashes for about
seven seconds. If the light stops flashing, start again
with Step 1 above.)
3. It takes up to 10 seconds to complete the deregistration
process. Wait for the cordless handset screen to display
Put HS on BASE to register before registering the handset again.
4. To register the handset(s) to the telephone base again, follow the
registration instructions on the previous page.
After you deregister the handset(s), the time and date need to be set. For
instructions, see Set date/time on page 13.
NOTES:
• If the deregistration process is not successful, you might 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 handset(s) if any other system handset is in use.
• Even if the battery is depleted, you can still deregister the handset by following the steps
above. After the handset is charged for at least 10 minutes, the screen shows
Put HS on BASE to register.
/HANDSET LOCATOR while the
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