AT&T TL74308 - Manual (Page 73)

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Appendix D
Adding and registering handsets
Your telephone can accommodate up to four cordless handsets. You can add
new handsets (TL77008, sold separately) to the TL74108/TL74208/TL74308/
TL74408/TL74258/TL74358/TL74458 at any time, but each new handset
must be registered with the telephone base before use. Each handset must be
registered separately.
The handset provided with your TL74108 is automatically registered as
handset 1. Additional handsets will be assigned numbers in the order they are
registered (handset 2, handset 3, and handset 4). You can register a maximum
of four handsets.
The TL74208/TL74258 has two handsets automatically registered as handset
1 and handset 2. You can register two additional handsets, which will be
assigned as handset 3 and handset 4.
The TL74308/TL74358 has three handsets automatically registered as
handset 1, handset 2 and handset 3. You can register one additional handset,
which will be assigned as handset 4.
The TL74408/TL74458 has four pre-registered handsets, so you cannot
register any additional handsets to it.
Handsets purchased separately need to be registered to
the telephone base before use. When first purchased, all
optional accessory handsets will show
NOT REGISTERED on
the screen. The new handset may need to be charged for
five minutes before registering to the telephone base.
To register a handset to your telephone base
1. Place the unregistered handset into a charger. 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 a charger again.
2. On the telephone base, press and hold HANDSET
LOCATOR/INTERCOM for about four seconds (until the
red IN USE light on the telephone base turns on) and
then release the button. The handset will show PLEASE
WAIT... and it will take about 10 seconds to complete the
registration. The handset will show HS X REGISTERED and
will beep if the registration is successful.
NOTES:
1. If the registration is not successful, the display will show NOT
REGISTERED. To reset the handset, remove the handset from the charger
and place it back in. Try the registration process again.
2. You cannot register a handset if any other system handset is in use.
NOT REGISTERED
PRESS HNDST LOC
4 SEC ON BASE
PLEASE WAIT...
HANDSET X
REGISTERED