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Fader control for setting level of radio or
phono/tape program, as indicated on output
meter. Mav be used with MlC level control for
program mixing.
MIC LEVEL CONTROL
Fader control for setting level of Mic 1 or Mic 2
program as indicated on output meter. May be
used with PROGRAM level control for mixing.
MICROPHONE FUNCTION SWITCH
When IN, connects microphone input, selected
by MIC level control, to program channel.
PROGRAM FUNCTION SWITCH
W h e n I N ,
permits transmission
material as determined by program
and program output switches.
INTERCOM FUNCTION SWITCH
When IN, enables intercom Talk/Listen switch.
EMERGENCY SWITCH l
When IN. permits operator to
panel speaker) to all classrooms, regardless of
switch bank settings. Overrides all program and
intercom
functions.
Operates
ev en
POWER switch is OFF.
TALK/LIST(EN)
S W I T C H .
When enabled by INTERCOM function switch.
permits operator to communicate with room
selected on switch bank without effecting pro-
gram distribution to remaining rooms. De-
Pressed for TALK; released for LIST(EN).
AC POWER INPUT
3-wire cord with gr
50/60 Hz source. Ci
panel and convenience outlets.
CONVENIENCE
OUTLETS
Each provides up to
or other auxiliary equipme
front panel POWER switch.
TIME CLOCK INPUT .
For connecting external single-circuit time
clock. Clock closes normally open contacts to
activate optional Model SST-1A Module.
SWITCH BANK CONNECTION .
Cable terminated in
Il-pin
plug connects three
shielded pairs plus annunciator wire from
switch bank. Also accommodates three lines for
optional telephone system.
when
Figure 6 - Front view, MCT-1 Control Panel
Figure 7 - Rear view, MCT-1 Control Panel
__
PROGRAM OUTPUT M
ER. Color coded to
clearly display 25V refe
ce level.
SPEAKER. For program monitoring, emer-
two-way intercom
gency transmissions,
communication.
POWER SWITCH. Controls ac power to panel
and to equipment connected to rear panel con-
venience outlets.
TONE ALERT (OPTIONAL). Provides audible
annunciation to supplement lamps on switch
l
PROGRAM OUTPUT SWITCH. SEND position
enables program distribution switch. SET posi-
tion disconnects program output from load for
monitoring or presetting prior to distribution.
Does not effect intercom functions.
l
TAPE RECORDER INPUT. For playing output
from tape recorder on program channel. Ac-
cepts standard 2-conductor phone plug which,
when inserted, automatically disconnects phono-
graph input.
MICROPHONE INPUTS. For low-impedance
balanced or unbalanced mics. Use 2-conductor
microphone cable (Bogen 1006. or equiv.). Con-
nect shield to terminal 1.
PHONO INPUT
Single-conductor
shielded cable.*
TUNER INPUT
INTERCOM CALL-IN LINE. Parallel lines from
classroom call-in switches. 2-conductor shielded
cable (Bogen BB 6450, or equiv.). Connect
shield to terminal 3.
l TAPE RECORDER/BOOSTER INPUT. For recording
program material on external tape recorder and connecting
external booster amplifier 2-conductor shielded cable
(Bogen BB 8450, or equiv.).'
*Accepts Cinch 13A. or equivalent.
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