User manual
TeachLogic VoiceLink Plus IR Receiver with

User Manual for TeachLogic VoiceLink Plus IR Receiver with Handheld Microphone & Drop-In Battery Charger

• Product category: Assistive Listening Systems TeachLogic
• Brand: TeachLogic
• 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 TeachLogic Assistive Listening Systems

Product description

• IMA-100 Voicelink Plus 1-Channel Infrared Microphone Receiver/Amplifier with Power Supply The IMA-100 Voicelink Plus 1-Channel Infrared Microphone Receiver/Amplifier with Power Supply from TeachLogic features a 1-channel infrared receiver and two 10W amplifiers to power two or four speakers (sold separately). This receiver/amplifier is a part of the Voicelink Plus Wireless Classroom Microphone System, which also consists of a microphone/transmitter and ceiling sensor. The ceiling sensor (sold separately) senses the infrared signal emitted from the microphone/transmitter (sold separately) and sends the voice signal to the receiver. The receiver processes the signal and produces an analog signal which is fed to the power amplifier. The output of the amplifier is fed to the speakers. The receiver can also accept an input from another audio source such as an iPod, computer, DVD, or video projector via the auxiliary input on the front panel. The receiver/amplifier can be placed on desk top, mounted on the wall, or on top or under a shelf using the mounting flanges and hardware provided.
  • 1-channel infrared receiver
  • Two 10W amplifiers
  • One 4-pin Phoenix speaker out connector
  • One line level auxiliary input on the front panel with adjustable gain, 3.5mm input jack
  • Two RCA sensor inputs
  • Includes mounting brackets
• Handheld Infrared Transmitter/Microphone with NiMH Batteries (Channel A and B) TeachLogic's Handheld Infrared Transmitter/Microphone with NiMH Batteries (Channel A and B) has an ergonomic design that provides user comfort and very low handling noise. The unidirectional condenser reproduces excellent vocal quality and the windscreen prevents breath pops. The emitting diodes are located around the top and bottom end of the handle for 360° transmission and assured connectivity throughout the classroom. Two rechargeable NiMH batteries are included.
  • Condenser microphone element
  • Power "on/off" switch
  • Battery level indicator-LED
  • 2-channel selectable
  • 10 high-power emitting diodes
  • Diodes at top and bottom of handle for increased coverage (2 top aimed out, 6 bottom 360°, 2 bottom aimed down)
  • 360º IR radiation for assured connectivity
• BRC-101 Drop-In Charger for IRH-35/40 Microphone/Transmitter TeachLogic's BRC-101 Drop-In Charger for IRH-35/40 Microphone/Transmitter is a drop-in charger for the TeachLogic IRH-35 and IRH-40 handheld micrphone/transmitter.

• Mounting Brackets & Hardware

• Power Supply

• Limited 5-Year Warranty

• 2 x NiMH Batteries

• Limited 5-Year Warranty

• Limited 5-Year Warranty

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Technical parameters

• IMA-100 Voicelink Plus 1-Channel Infrared Microphone Receiver/Amplifier with Power Supply

  Input	Infrared FM
  Modulation	FM wide-band
  Frequencies	Reception (Channel A): 2.08 MHz
  Infra-red Wavelength	850 nm
  Tone Signal	Channel A: 32.768 kHz
  De-Emphasis	50 μs
  Frequency Response	50 Hz, -13 KHz, ± 3 dB
  S/N Ratio	>65 dB
  THD	<1% @ 1 kHz
  Nominal Deviation	±10 kHz
  Maximum Deviation	±25 kHz
  Sensor Input	2 x RCA
  AUX Input	3.5 mm with gain control, front panel
  Output Power	Two Amplifiers: Each: 10 W RMS Total: 20 W RMS
  Output Impedance	4 Ω
  Output Connection	1 x 4-pin Phoenix
  Power Supply	12 VDC / 0.6 A / 7.2 W
  Enclosure	ABS
  Dimensions (W x H x D)	5.0 x 1.0 x 4.5" (127.0 x 25.4 x 114.3 mm)
  Weight	1.00 lb (0.45 kg)

  Box Dimensions (LxWxH)	10.3 x 7.9 x 1.8"

• Handheld Infrared Transmitter/Microphone with NiMH Batteries (Channel A and B)

  Transmission	Carrier: Infrared
  Transmission Frequency	2.08 MHz and 2.54 MHz
  Channel Switching	A and B, 2-Channel Field Switchable
  Transmitting Diodes	10
  Modulation	FM Wide-Band
  Frequency	Pilotone: 32.768 kHz
  Peak Deviation	± 25 kHz
  Operating Range	60' (18.28 m), 2500 ft² (232.25 m2)
  Power Switch	On/Off Slide
  Battery Charge Display	Green (Useable Charge) Red (Needs Charging)
  Battery Life	Approximately 7 Hours
  Diameter	Head: 2.12" (5.38 cm) Body: 1.43" (3.63 cm)
  Dimensions	9.62" (24.43 cm)
  Weight	With Battery: 0.64 lbs (0.29 kg)

  Box Dimensions (LxWxH)	10.3 x 2.8 x 2.5"

• BRC-101 Drop-In Charger for IRH-35/40 Microphone/Transmitter

  Compatibility	Compatible with TeachLogic IRH-35/40 Microphone/Transmitter
  Power	110V
  Charging Time	10-12 Hours
  Dimensions	Not Specified by Manufacturer
  Weight	Not Specified by Manufacturer

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