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Forum 232 system
The Forum 232 system is comprised of a microphone / transmitter, either the
Sapphire (IRT-60), or Handheld (IRH-35) for voice transmission to a ceiling
sensor (ICS-55) that sends the signal to the receiver / amplifier (IMA-232).
The receiver/amplifier processes the signal and produces an analog signal of
your voice for output to the sound field speaker system.
front of IMA-232 receiver/amplifier
1
Power on/off
2
CH A Microphone Volume Control
3
CH B Microphone Volume Control
4
DVD Volume Control
5
Comp/Aux Volume Control
back of IMA-232 receiver/amplifier
1
Speaker Output - Two Channel
Four pin Phoenix connector
2
RS-232 on/off switch
3
RS-232 Tx, Gnd, Rx
Three pin Phoenix connector
4
Security Alert - Com,N/O,N/C
Three pin Phoenix connector
2
1
3
Forum 232
DVD
CH A
CH B
6
Comp/Aux Input (3.5mm)
7
ALS Volume Control
8
ALS Output (3.5mm)
9
REC Volume Control
10
REC Output (3.5mm)
2
1
3
4
1 Tx
1 COM
2 Gnd
2 N/O
3 Rx
3 N/C
SPEAKER OUTPUT
SECURITY
4ohm load = 25watts/amp
RS232
ALERT
L
R
ON OFF
+ _
+ _
1
2
3
1
2
3
5
Three band digital equalizer
6
Computer Anti hum ON/OFF
7
Computer Input 3.5mm
8
DVD gain
9
DVD dual Mono Inputs (RCA)
10
Two Sensor Inputs (RCA)
11
Power Input: 19 VDC 3.4A
4
5
6
7
ASSISTIVE
COMP/AUX
LISTENING
INPUT
OUTPUT
8
5
6
7
INPUTS
EQUALIZER
MID
HI
LOW
GAIN
COMP/ANTI-HUM
ON OFF
COMP/AUX
12 dB
±
8
9
10
LESSON
CAPTURE
OUTPUT
9
10
11
POWER
19V DC
3.4A MAX
DVD
SENSOR
12 dB
±
3
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