AT&T DEFINITY 2500 Instruction Manual page 56

CHAPTER 2. DESCRIPTION
.
Ten fixed
feature buttons
l
l
-
Used
to tum the speakerphone or SPOKESMAN speaker on or off.
l--Fl -
Used
to
set up a conference call between 3 or more parties- Also used
with the
shift select
button
to select a personal ring pattern.
E) -
Used
to end
a call or
to drop the last party added to a conference call-
Also,
used with
lhe Shifi Select
button to self-test the lerminal-
l.Fl -
UseO
wlttr the
Shift Select button to set the display clock.
@ -
Used
to put a call
on
holcl.
El -
Used
to select
a second level of features on
the Redial, Drcp Test, Transte.
Clock. Conterence Ring, and Oata feature buttons.
@ -
Used
to redial the last number dialed.
@ -
Used
to prevent a caller
from hearing your local conversation.
Gl;l -
Used
to
increase
or
decrease
the
volume
of
the
handset
speaker,
speakerphone speaker,
or
SPOKESMAN speak€r
during
a
call.
When the
lerminal is
not in use, it
is used to adjust the ringer volume.
.
Ten appearance/feature buttons
Customerdesignated
-
Used
for features or
for
multiple appearances
of
one or
more extensions, and labeled
with feature name or extension number-
Each
of the 10 buttons has a pair of red and green (in-use and status) indicator lights
located beside the button.
When one
of the
buttons
is used as
a
Data button, only
I
buttons are left
tor
call
appearancef eature
use.
.
Three
leature buttons
Customer-designated
-
Used only
for features.
Each
of the 3 buttons has
a
green status indicator light located beside the button.
.
Five
dual-function (split) buttons
Used
with the Shifl Selecl
bLrtton
to
select
one set of features and without the Shift
Selecl
button
to select another set of teatures-
.
An
optional ISDN Asynchronous Data Module (ADM) is available to allow an interface
ot
dala terminal
equipment (DTE)
wilh other data equipment. Refer
to
the
,SDN
Asynchronotls
Data Module User's Guide, 555-021-708
lor
complete information
on
this module
2-43