Toa IR-842 Series Operating Instructions Manual
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Toa IR-842 Series Operating Instructions Manual

Infrared audio system, main unit, external infrared receiver, speaker stand adapter, sub unit, bag
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INFRARED AUDIO SYSTEM
IR-842PMU
(MAIN UNIT)
IR-842R
(EXTERNAL INFRARED RECEIVER)
IR-842HY
(SPEAKER STAND ADAPTER)
IR-842PMU
IR-842HY

TABLE OF CONTENTS

1. SAFETY PRECAUTIONS ............................ 2
2. GENERAL DESCRIPTION .......................... 4
3. FEATURES .................................................. 4
4. HANDLING PRECAUTIONS ....................... 4
7. CONNECTION EXAMPLE ............................ 8
Thank you for purchasing TOA's Infrared Audio System.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
IR-842PSU
IR-842BAG
RECEIVER ................................................. 10
UNIT ........................................................... 11
RECEIVER ..................................................13
12. SPECIFICATIONS ..................................... 14
OPERATING INSTRUCTIONS
IR-842 SERIES
IR-842PSU
IR-842BAG
IR-842R
(SUB UNIT)
(BAG)

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Summary of Contents for Toa IR-842 Series

  • Page 1: Table Of Contents

    RECEIVER ..........13 7. CONNECTION EXAMPLE ......8 12. SPECIFICATIONS ........14 8. INFRARED RECEIVER COVERAGE AREA ..9 Thank you for purchasing TOA's Infrared Audio System. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

  • Page 2: Safety Precautions

    Doing otherwise may result the power supply plug from the AC outlet and in the speaker falling down and causing personal contact your nearest TOA dealer. Make no further injury and/or property damage. attempt to operate the unit in this condition as this •...
  • Page 3 Indicates a potentially hazardous situation which, if mishandled, could CAUTION result in moderate or minor personal injury, and/or property damage. When Installing the Unit When the Unit is in Use • Never plug in nor remove the power supply plug •...

  • Page 4: General Description

    2. GENERAL DESCRIPTION The IR-842 series is a compact, portable infrared classroom soundfield system. It is designed for use in conjunction with TOA's IR-200M (hand-held type), IR-300M (hands-free type) or IR-310M (hands-free type) infrared microphone, featuring high sensitivity and clear sound.
  • Page 5 6. Speaker output terminal 15. AUX output volume control Connect to the speaker input terminal of the SUB Adjust the AUX output signal level.Turn control UNIT. clockwise to increase and counterclockwise to Red: +, black: - . decrease the level. 7.
  • Page 6 5.2. Sub Unit [Front] [Rear] EXTERNAL IR RECEIVER FROM MAIN UNIT INFRARED AUDIO SYSTEM SUB UNIT model IR-842PSU-AM MADE IN CHINA 1. Infrared receiver 4. Speaker input terminal Connect to the speaker output terminal of the MAIN 2. External infrared receiver input connector UNIT.

  • Page 7: System Configuration Examples

    6. SYSTEM CONFIGURATION EXAMPLES 6.1. Using 1 external infrared receiver. Infrared receiver IR-842R Connect to the infrared receive input Main unit connector of the IR-842PMU. IR-842PMU Infrared microphone Infrared IR-300M microphone IR-200M Infrared microphone IR-310M Note There are only 2 infrared receiving channels and up to 2 infrared microphones can be used.

  • Page 8: Connection Example

    7. CONNECTION EXAMPLE 7.1. Example 1 Microphone Infrared receiver Main unit IR-842R Audio device AC adapter Amplifier Speaker (supplied with the main unit) 7.2. Example 2 Microphone Infrared receiver IR-842R EXTERNAL IR RECEIVER FROM MAIN UNIT Amplifier Speaker Audio device Sub unit Main unit AC adapter...

  • Page 9: Infrared Receiver Coverage Area

    8. INFRARED RECEIVER COVERAGE AREA 8.1. IR-842PMU or IR-842PSU [Horizontal direction] [Vertical direction] 15 m (49.21 ft) 15 m (49.21 ft) Note The shaded portion represents the IR coverage. 8.2. IR-842R (Ceiling-mounted type) Ceiling height 2.5 to 4.5 m (8.2 to 14.76 ft) Note The shaded portion represents Infrared coverage radius...

  • Page 10: Installing The Infrared Receiver

    9. INSTALLING THE INFRARED RECEIVER Installation Precautions Because the infrared microphone and receiver have their own directivity for infrared transmission and reception, take care that they are installed and operated under stable communication conditions. • Number of infrared receivers Use up to two receivers per system. Ceiling •...

  • Page 11: Installing The Main Unit Or Sub Unit

    10. INSTALLING THE MAIN UNIT OR SUB UNIT 10.1. Wall Mounting Step 1. Loosen the 2 screws used to fixing the wall mounting bracket for the main unit or sub unit. Step 2. Adjust the size and angle of the wall mounting bracket and retighten it with screws.
  • Page 12 10.2. Mounting Main Unit or Sub Unit on the Speaker Stand Note • Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface. Doing so may result in the unit falling down and causing personal injury and/or property damage. •...

  • Page 13: Installing The Ir-842R Infrared Receiver

    11. INSTALLING THE IR-842R INFRARED RECEIVER 11.1. Ceiling Mounting Method 1 Step 1. Loosen the mounting bracket in the center of the back of the infrared receiver by rotating it counterclockwise. Step 2. Lock the mounting bracket to the ceiling with screws. Ceiling Step 3.

  • Page 14: Specifications

    12. SPECIFICATIONS 12.1. IR-842PMU-AM Infrared Audio System - Main Unit Power Source 100 - 240 V AC, 50/60 Hz (use of the supplied AC adapter) Rated Output 40 W (80 W max. including sub unit speaker output) Power Consumption 60 W (120 W max. including sub unit speaker output) Infrared Receiver Wavelength 850 nm...
  • Page 15 12.3. IR-842R-AM External Infrared Receiver Infrared Receiver Wavelength 850 nm Carrier Frequency Teacher (CH-A): 3.100 MHz Student (CH-B): 3.350 MHz Communication Area Approx. 7 m (22.97 ft) in radius from the point underneath the unit (Ceiling height: 2.5 - 3.0 m (8.2 - 9.84 ft), In a space without any obstacle and visible between the infrared microphone and receiver) Connection Terminal For RJ-45...

  • Page 16: Emc Precautions

    à distance minimum de 20cm entre le radiateur et votre corps. Manufacturer: TOA Corporation 7-2-1, Minatojima-Nakamachi, Chuo-ku, Kobe, Hyogo, Japan Traceability Information for Americas Authorized representative: TOA Canada Corporation 3670 Odyssey Drive, Unit 1, Mississauga, ON L5M 0Y9, Canada TEL: +1-800-263-7639 www.toacanada.com 202404...

This manual is also suitable for:

Ir-842pmuIr-842rIr-842hyIr-842psuIr-842bag

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