User Manual for Toa Electronics IR-802 Infrared Wireless Classroom System Click to enlarge the picture
Contents of the user manual for the Toa Electronics IR-802 Infrared Wireless Classroom
- Product category: Assistive Listening Systems Toa Electronics
- Brand: Toa Electronics
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Toa Electronics Assistive Listening Systems
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User manual for the Toa Electronics IR-802 Infrared Wireless Classroom contain basic instructions
that need to be followed during installation and operation.
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Product description The Toa Electronics IR-802 Infrared Wireless Classroom System includes an IR tuner / mixer, an amplified speaker / IR sensor, an IR wireless pendent (teacher's) microphone, two rechargeable NiMH AA batteries (for IR-300M), and a dual mic charging station. This system features a ceiling-speaker with built-in IR (infrared) receiver and amplifier, and is designed to enhance educational performance and simplify installation in a typical 30.0 x 30.0’ (9.1 x 9.1m) classroom setting. It provides greater speech intelligibility, which studies have shown help boost student achievement in primary school education. The system's integrated wide-dispersion speaker (with a built-in Class D amplifier) distributes uniform, quality sound throughout the classroom, without inconsistency or dead spots associated with multi-speaker systems.The lightweight, IR wireless Teacher's microphone helps reduce physical and vocal fatigue during classes.A compact, yet flexible IR tuner / mixer allows 2 IR wireless microphones to be used simultaneously in a given classroom while remaining totally isolated from other IR microphones used in adjacent classrooms. The transmission is immune to eavesdropping and interference from broadcast signals (such as digital television and dispatch radio) that can be frequently experienced with RF transmission. The mixer also provides inputs for audio sources, such as DVD Players, PC audio, and MP3 players, and has an adjustable output for connecting other systems such as Assisted Listening, Recording and Remote Classroom. Mute Input allows connection of school paging signals for priority override of classroom audio. The IR tuner / mixer is compact enough to be mounted on a wall for convenient access or under the teacher's desk for security (Mount kit sold separately). The speaker / amplifier / IR sensor connects to the tuner / amplifier via a single CAT5 cable, so installation and setup are fast and simple. The IR-802 system is UL 2043 rated for installation in air-handling plenum spaces. - IR-802T IR Wireless Tuner / Mixer
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- Integrated 2-channel IR tuner for use with 2 IR wireless microphone transmitters
- 5-input mixer (2 IR microphones, 3 x AUX in for PC, DVD Player, and MP3 Player) with independent volume adjustment
- ALD (Assisted Listening Device) output with level control, provides audio feed to external systems
- 3-Band EQ for tonal adjustment to suit different class environments or to compensate for feedback
- Mute input allows connection of school paging signal for priority override of classroom audio
- Simple CAT5 connection to speaker / amplifier / IR sensor unit (IR-820SP) for fast, easy installation
- Compact size allows convenient placement on wall, under the teacher's desk or in a standard EIA rack (with mount kit sold separately)
- Supplied security knobs (x6) prevent tampering with level adjustments
- IR-820SP Powered In-Ceiling Speaker / IR Sensor
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- Integrated speaker / amplifier and IR sensor allow for simple connection and easy installation with a single CAT5 cable
- Incorporates a highly efficient 20W Class D amplifier for compact size, minimal power consumption and low heat
- 360° IR sensor has extremely wide pickup area for reliable reception
- Ultra-wide dispersion (170°) 5.00' (1.52m) coax speaker provides even coverage and intelligible sound throughout the room, without dead spots or poor coverage common with multi-speaker systems
- A single speaker can perform the job of a typical 4-speaker setup
- Easy on-ceiling mounting using the supplied reinforcement ring and a back-can (sold separately)
- UL-2043 rated for plenum installation
In the Box Toa Electronics IR-802 Infrared Wireless Classroom System - IR-802T IR Tuner / Mixer
- AC Adapter with 5.91' DC Cord
- 6.56' AC Power Cord
- 6 x Volume Control Cover
- Removable Terminal Plug (2 Pins)
- IR-820SP Amplified Speaker /IR Sensor
- Safety Wire
- Ceiling Reinforcement Ring
- Trim Ring
- Paper Pattern
- IR-300M IR Wireless Neck Worn Microphone
- IR-200BT-2Y Rechargeable Battery Pack
- IR-200BC US Battery Charger
- Limited 5-Year Warranty
Table of Contents
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Technical parametersToa Electronics IR-802 Specs | Power Source | 120 VAC, 50/60 Hz (supplied AC adapter must be used) | | | | Power Consumption | 8 W (based on UL standards) maximum 40.8 W (rated output of IR-820SP) | | Receiving Frequency | Teacher (Channel A): 3.100 MHz
Student (Channel B): 3.350 MHz | | Receiver Sensitivity | 50 dB or more, signal-to-noise ratio (40 dBµV input, 1 kHz modulation, ±4.8 kHz deviation) | | S/N Ratio | Tuner: 60 dB or more (60 dBµV input, 1 kHz modulation, ±4.8 kHz deviation, A-weighted, equalization: centered)
AUX: 75 dB or more (A-weighted, equalization: centered) | | Frequency | Tone Squelch Frequency: 32.77 kHz | | Input | AUX PC: Line, -10 dB (0 dB = 1 V), 10 kΩ, unbalanced, stereo mini jack (internal mixing)
AUX DVD/TV: Line, -10 dB (0 dB = 1 V), 10 kΩ, unbalanced, 2P RCA jack (internal mixing)
AUX MP3: Line, -10 dB (0 dB = 1 V), 10 kΩ, unbalanced, stereo mini jack (internal mixing)
Mute: 25 V line signals of telephone paging from a school intercom system | | Output | ALD (Assistive Listening Device): Line, -10 dB (0 dB = 1 V), 10 kΩ, unbalanced, monaural mini jack
Speaker: RJ45 (dedicated terminal for IR-820SP connection) | | Equalization | High: ±10 dB at 10 kHz, Mid: ±10 dB at 1.3 kHz, Low: ±10 dB at 100 Hz | | Mute | Muted by 25 V line signals | | LED Indicator | 1 x power (green), 2 x infrared reception (yellow), 1 x mute (red) | | Operating Temperature | 14 to 122°F (-10 to 50°C) | | Operating Humidity | 90% RH or less (no condensation) | | Finish | Panel: Aluminum, black
Case: Steel plate, black | | Dimensions (W x H x D) | 8.27 x 1.81 x 12.28" (21.00 x 4.60 x 31.19 cm) | | Weight | 3.97 lb (1.80 kg) | | | | Power Source | 24 VDC (supplied from IR-802T) | | Power Consumption | 4.4 W (based on UL standard) | | Output | 20 W (Rated) | | Frequency Response | 100 Hz to 20 kHz (-10 dB) at installation in 1/2 free sound field (Measured by installing the unit in the center of a ceiling) | | Amplification | Class D system | | Distortion | 5% or less (rated output, A-weighted) | | Speaker | Speaker Component: 4.72" (12.00 cm ) cone-type | | | | Wavelength | 870 nm | | Carrier Frequency | Teacher (Channel A): 3.100 MHz
Student (Channel B): 3.350 MHz | | Reception | Reception Angle: 360° (Horizontal) | | Connections | RJ-45 terminal | | LED Indicator | 1 x power (green) | | Mounting Hole | ø11.81" (30.00 cm) | | Cable | CAT-5 UTP | | Operating Temperature | 14 to 122°F (-10 to 50°C) | | Operating Humidity | 90% RH or less (no condensation) | | Finish | Enclosure: Steel plate, plating
Baffle: Fire-resistant ABS resin (resin material grade: UL94V-0), white
Punched Net: Steel plate, white
Filter Section : Polycarbonate, optical cut filter | | Dimensions | ø x D: 12.60 x 8.07" (32.00 x 20.50 cm) | | Weight | 7.5 lb (3.4 kg) |
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