CONTROL FUNCTIONS
All operating controls for the Series 15 Centralized
School Sound Systems are located on the front of the
consolettes (consoles). The Series
15T-1
is equipped
with an AM/FM radio tuner, while the Series 15-2 and
15-3 have both a tuner and an automatic record chang-
er. The operating controls for the tuner and record
changer are described in their individual instruction
manuals.
MCT-1 CONTROL PANEL
The controls on the Model MCT-1 Control Panel are:
POWER ON-OFF SWITCH. Turns the system on and
off.
FUNCTION SELECTOR SWITCHES. These switches
determine the mode of system operation. These operat-
ing modes are:
1.
Microphone. Connects microphone input to program
channel (selected by MIC level control).
2.
Program. Permits transmission of program material
as determined by program distribution and program
output switches.
3.
Intercom. Enables and disables TALK/LISTEN
switch.
4. Emergency. Permits operator to transmit to all sta-
tions via panel speaker, regardless of switchbank set-
tings. Overrides all program and intercom functions.
Operates with power switch On or Off.
5.
Talk/Listen. Allows operator to communicate with
room(s) selected on switchbank without affecting pro-
gram distribution to remaining rooms. Enabled by In-
tercom switch; depress to talk, release to listen.
CONSOLE SWITCH BANK
TYPE SBL SWITCH
SHIELDED PAIR
(BOGEN
BB-8450, OR EOUIV.)
NOTES
I-TERMINALS CORRESPOND TO SWITCH ON OPPOSITE
SIDE OF FRONT PANEL.
2-DRESS SPEAKER LEADS TO PREVENT SHORTING
LOWER TERMINALS TO GROUND BUS.
Figure 4
-
Consolette Switch Bank, Connection
Diagram
LEVEL CONTROL SWITCHES
1.
Microphone. Fader control sets level of Mic 1 or Mic
2 program as indicated on output meter. May be used
with Program level control for mixing.
25
VOLTS
TS-2A
8
RED
SEC
TS
TS
-
16A
OHMS
ONDARY
8
OHMS
SECONDARY
l/8
W
RED
l/4
w
BLK/YEL
l/2
w
YEL
I w
YEL
2
W
-
TS-
16A
POWER
TAP
2
w
4
w
8 w
16
W
CENTER
TAP
WHT
ORN
ORN
Figure 3
-
Bogen Line-Matching Transformers
-5-
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