TeachLogic Forum 232 Owner's Manual

Infrared wireless microphone system
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Infrared Wireless Microphone System

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Summary of Contents for TeachLogic Forum 232

  • Page 1 owner’s manual Infrared Wireless Microphone System...
  • Page 2 Congratulations on the purchase of your new Forum 232 Infrared Wireless Microphone Sound System. You can be assured that the Forum 232 fulfills all specifications and was produced to very high quality control standards. TeachLogic incorporates the latest state of the art technology, employs the...
  • Page 3 Read Instructions All safety and operation instructions should be read before operating this TeachLogic product. Retain Instructions Safety and operating instructions should be kept for future reference. Water & Moisture certifications This product should not be operated near water.
  • Page 4: Table Of Contents

    About Infrared ............Product Description ..........Forum 232 System Description IMA-232 ....Sapphire Microphone/Transmitter IRT-60 .... Handheld Microphone/Transmitter IRH-35 ..Drop-in Chargers BRC-55/Ceiling Sensor ICS-55 Installation of Ceiling Sensor ........Instalation of Wall & Ceiling Speakers ....
  • Page 5: About Infrared

    “What’s said in the sequential signal and the electronic circuitry in the room, stays in the Forum 232 converts that sequential signal into a line level analog audio signal. Now that audio signal the room”. can be fed into an amplifier. The amplifier magnifies the electronic signal and sends it to the speakers.
  • Page 6: Product Description

    On the front panel of the Forum 232, there are two 3.5mm output jacks for interface with an assistive listening system (ALS) and lesson capture (REC).
  • Page 7: Forum 232 System Description Ima-232

    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.
  • Page 8: Sapphire Microphone/Transmitter Irt-60

    Forum 232 owner’s manual infrared microphone/transmitters The infrared microphone/transmitter is comprised of a microphone input, signal processing circuits and several emitting diodes that transmit the vocal signal to the sensor. The microphone/transmitter can be the Sapphire or Handheld. The rechargeable batteries will provide 6–8 hours of service per charge.
  • Page 9: Handheld Microphone/Transmitter Irh-35

    IRT-60 remote control features 1. Moving the priority switch Up/Down will control the volume of the line inputs. 2. A momentary tap of the priority switch will duck down the line inputs 15dB. The receiver front panel power switch changes to a blinking PURPLE. A second tap will restore line input back to normal.
  • Page 10 Forum 232 owner’s manual BRC-55 drop-in battery charger This stylish desktop drop-in charging station makes it convenient and easy to recharge both Sapphire Pendant and Handheld Microphones. Charge one IRH-35 handheld transmitter and up to two IRT-60 Sapphire transmitters simultaneously. Charging indicator lights illuminate Red when charging, and Green when fully charged.
  • Page 11: Installation Of Ceiling Sensor

    installation of ICS-55 ceiling sensor The ideal location for the ceiling sensor is in the center of the ceiling. This will provide a clear signal path for the IR transmission from the transmitter to the dome sensor without obstruction. In addition, you will have 360º coverage and will minimize the transmission distance for more reliable performance.
  • Page 12: Instalation Of Wall & Ceiling Speakers

    Forum 232 owner’s manual installation of speakers Two wall mount or ceiling speakers can be powered by the receiver/amplifier. It has two amplifiers (25 watts ea.). One speaker will be connected to each amplifier. Optional: Two additional speakers can be powered by the amplifier. Connect two speakers in parallel.
  • Page 13 installing SP-2000 wall mount speakers • First observe the shape of the room: ceiling height, door locations, windows, mounting surface, and seating area • Ordinary installation would be to locate the speakers on each side wall approximately even with the front row of listeners •...
  • Page 14 Forum 232 owner’s manual Ceiling Speakers Forum 232 rear view EQUALIZER 1 Tx 1 COM 2 N/O 2 Gnd 3 Rx 3 N/C SPEAKER OUTPUT SECURITY 4ohm load = 25watts/amp ALERT RS232 COMP/ANTI-HUM ON OFF ON OFF Secruity Alert Panel...
  • Page 15: System Wiring

    19V DC 3.4A MAX GAIN MP/AUX SENSOR Infrared Transmitter “Sapphire” IRT-60 Computer DVD Player Lesson Capture Recorder Assistive Listening Device LESSON ASSISTIVE Forum 232 COMP/AUX LISTENING CAPTURE INPUT OUTPUT OUTPUT CH A CH B Forum 232 front view 7 11...
  • Page 16: Rs-232 Features

    Forum 232 owner’s manual blank page RS-232 features The RS-232 feature allows the user to remotely operate the line level media inputs via a convenient wall panel controller. Audio levels very often need to be adjusted when switching from computer audio to DVD players and other audio sources.
  • Page 17: Security Alert Features

    (labelled PRIORITY) on the side for initiating the Security Alert. Simply holding down the button for 4 seconds, "closes" a contact closure on the rear panel of the TeachLogic amplifier and sends the Security Alert signal to the appropriate location possibly the principal's or security monitoring station.
  • Page 18: Operation Of Wireless Microphone

    The testing will be done using an IR transmitter (Sapphire or Handheld) to confirm good connectivity and quality audio. system operation • On Forum 232 set Ch A & B volume controls to off (counter clock wise) • Turn the Forum 232 “ON”, Blue LED will light •...
  • Page 19: Troubleshooting

    troubleshooting Problem Solution System is turned • Verify AC power; the Blue “on” but there is no LED lights when turned sound “on” Check if system has • been unplugged Check circuit breaker • Call maintenance for • assistance System has power but no sound •...
  • Page 20: General Specifications

    Forum 232 owner’s manual transmitter Forum 232 (IMA-232) specs. Receiver Input Infrared FM Modulation FM Wide-band Reception Frequencies Ch. A: 2.08 MHz, Ch. B: 2.54 MHz Infrared Wavelength 850 nm Tone Signal Ch. A: 32.768 KHz De-emphasis 50 µs Frequency Response...
  • Page 21 Sapphire transmitter (IRT-60) specs. Transmitting Diodes Operating Range 1,600 Ft ². 60 Ft. Line of Sight Battery Discharge Indicator Blue Full Purple Medium Flashing Red Very Low Battery Battery Used Lithium-ion (3.7V / 620mAh) Battery Life Approx. 8-9 Hrs/Charge External Power Charger DC +5V, Micro USB Connector Transmission Angle Conical...
  • Page 22: Five Year Limited Warranty

    Forum 232 owner’s manual five year limited warranty TeachLogic IR products are guaranteed to be free of defects in workmanship or material for a period of five (5) years from date of original purchase, subject to the following conditions: 1. Warranty excludes defects caused by normal use and wear, any abuse, or failure to use the product in accordance per instructions.
  • Page 24 1688 Ord Way Oceanside, CA 92056 0018 • • • sales@teachlogic.com 1283 • • • 5/28/14 www.teachlogic.com...

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