SoundPlus
®
Infrared Listening System
4
MOD 232 Modulator Setup
Determine Location
The modulator is usually located with the sound system amplifier or mixer for easy access to an audio input signal.
For portable systems, the modulator can be placed near the emitter or in another convenient location. Infrared Stand
Kit SS-6 is available for portable systems.
Wiring and Connections
Figure 1: MOD 232 (Rear View)
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INPUT CH A CH B
ACCEPTS ANY LOW
IMPEDANCE MICROPHONE
OR LINE LEVEL SIGNAL.
BASEBAND OUTPUT
SENDS INDIVIDUAL
AND/OR COMBINED
CARRIER FREQUENCIES
OF 2.3, 2.8, 3.3, 3.8 MHz
TO A TX9 EMITTER.
AUDIO LINE OUTPUT
RCA JACK FOR MONITORING,
RECORDING, OR ROUTING
PROCESSED AUDIO TO
ANOTHER SOUND SYSTEM.
POWER IN
24 VAC, 50-60Hz
120 VAC (US); TFP 016 POWER SUPPLY
230 VAC (CE); TFP 027 POWER SUPPLY
CONFIGURATION SWITCHES
CONTROLS CHANNEL SELECTION,
COMPRESSOR GAIN, MIC/LINE
INPUT, CHANNEL ON/OFF, AND
OTHER CONTROLS.
BASEBAND INPUT
A SECOND MODULATOR
MAY BE CONNECTED
HERE FOR 4 (FOUR)
CHANNEL OPERATION.
WARNING: POWERLINE VOLTAGE MUST NOT FALL BELOW 94V, OR SYSTEM
PERFORMANCE WILL BE GREATLY REDUCED!
Power Connection for U.S. Application
1. Connect the TFP 016 power supply to the 3-pin Molex connector located on the
rear of the MOD 232. (See Figure 2, right.)
For Applications Outside The U.S. Requiring 240 VAC Mains Supply:
Use the transformer power supply, model TFP 027.
Secondary specifications: 24 VAC, 35 VA, 50/60 Hz.
2. Plug the power supply into the AC outlet.
Figure 2: Power Connection
POWER
SUPPLY
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