F
‘IGURE 4-1 The
BIS-34D
with display as attendant console.
Display
buttons
Display
contrast
control Display
Call
appearance
buttons
Test/Program
switch
Dial
pad
-
Ringer
-
volume
control
Feature
buttons
--I
Message
light
HFAI
light
J
Speakerphone
volume control
-
Speakerphone light
Microphone light
