SECTION MITL91 OS/91 1 O-096-350-NA
Body
11.05 The body of the SUPERSET 3 set comprises two parts - a base
assembly and a cover assembly.
Base Assembly
11.06 The base assembly contains a microphone (for handsfree op-
eration), the switchhook, modular jacks for the handset and line
cords and a speaker assembly (for handsfree operation and tone ringer
output). The microphone is mounted in a position permitting it to
receive sound passing through an aperture in the front of the base
assembly. The speaker is mounted between the handset recesses and
projects sound upwards through a grill beneath the handset A screw-
driver slotted control for adjusting ringer pitch is user-accessible un-
derneath the base assembly.
Cover Assembly
11.07 The cover assembly houses a volume control assembly, a key-
pad module and a line selection/repertory dial module.
Volume Control Assembly
11.08 The volume control for the speaker and ringer, is mounted on
the left-hand side of the cover assembly. There is also a paper
for the installation telephone number, which is held in place by :a
plastic lens that is clipped in position.
Keypad Module
11.09 The keypad module contains a standard 12-button keypad, sev-
en feature buttons and three supplementary line select buttons.
Line Selection/Repertory Dial Module
11.10 The line selection/repertory dial module contains three line
select buttons and LED line status display. In addition there are
12 Speed Call keys.
11.11 Associated with the keys and the line
status
display is a line
identification card. The card identifies the -prima_n/ line
(extension) and hold buttons and rprovides space for function iden-
tification (i.e., line and speed call identities) of the remaining buttons.
The card is held in place with a transparent plastic lens that is clipped
in position.
Functional Description
11.12 The SUPERSET 3 set face layout is shown in Figure 11-2: The
following text describes the function of each button and dis-
play. All buttons are noninterlocking.
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