Appendix C
51
Expansion handset
Adding and registering handsets (optional)
Handsets that you purchase separately (AT&T CL80109)
need to synchronize with the telephone base before use.
When new, all expansion handsets show NOT REGISTERED
on the screen. You might need to charge the new handsets
for five minutes before registering to the telephone base.
To register a handset to your telephone base
1. Place the unregistered handset into the telephone base.
If PRESS HNDST LOC 4 SEC ON BASE does not appear
on the handset screen after a few seconds, remove the
handset and place it in the telephone base again.
2. On the telephone base, press and hold
HANDSET
LOCATOR for about four seconds (until the red IN USE
light on the telephone base is on) and then release the
button. The handset shows PLEASE WAIT... and it takes
10 seconds to complete the registration. The handset
shows HANDSET X REGISTERED, with X being the
handset number (1-12). There is a beep sound when the
registration is successful.
NOTES:
1. If the registration is not successful, the screen shows NOT REGISTERED. To reset the
handset, remove the handset from the telephone base and place it back in. Try the
registration process again.
2. You cannot register a handset if any other system handset is in use.
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