AT&T TL7610 - Manual (Page 40)

34
Registration and de-registration
Replacing a headset
You may need to de-register your headsets if:
You have two registered headsets and need to replace one of
them.
-OR-
You wish to change the designated headset number and/or the
color of the
ON/OFF light of your registered headsets.
You must first de-register both headsets, and then re-register
each headset you wish to use.
Please read carefully through all the instructions on this page
before beginning the de-registration process.
To de-register all headsets and the dial pad (if applicable)
This procedure de-registers all the items registered to the
headset base including all headsets and the dial pad.
Press and hold PAIR on the headset base until the MUTE light on
the headset base turns on and starts to flash (at least 10 seconds),
then release the
PAIR button.
Immediately press and release PAIR again. You must press PAIR
while the MUTE light is still flashing. (The light flashes for about
seven seconds. If the light stops flashing, start again with step one
above.)
3. If the de-registration was successful:
The MUTE light on the headset base turns off.
The headset(s) ON/OFF light flashes twice
every five seconds.
The dial pad (if applicable) displays
NOT
REGISTERED.
1.
2.
•
•
•
NOT REGISTERED