To Replace A Handset - AT&T EP590-3 User Manual

To replace a handset

If you are replacing a handset on a system that has the
maximum number of registered handsets (eight) or wish
to change the assigned handset number of your registered
handsets, you must first de-register the handsets, and then
re-register all handsets again.
NOTE: A handset must be de-registered, with NOT REGISTERED shown on
the handset screen, before it can be registered to another telephone base.
To de-register a handset
• Press the
CENTER
main menu.
• Press the
UP
settings.
• Press the
CENTER
menu.
• Press the
UP
seven times to select delete registration.
• Press the
CENTER
to select
YES/NO
• Press the softkey
to cancel.
NO
• After pressing the softkey
blank for a while.
• When the screen shows Not Registered, the de-
registration process is complete. There will not be a
confirmation tone.
NavKey
or NavKey
DOWN
NavKey
NavKey once or
NavKey
for handset de-registration.
to proceed with de-registration or
YES
YES

on the handset to bring up
or four times for
to enter into settings
NavKey
DOWN
and you will be prompted
, the screen will remain