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TC-904 infrared simultaneous interpretation system
TC-904 infrared simultaneous interpretation system

GONSIN TC-904 infrared system is designed to offer simultaneous interpretation and audio distribution for 4 different languages using the proven mature infrared light transmission technology.

As the central element of the system, the infrared transmitter interfaces with either analog or digital conference system, connects interpreter consoles and infrared radiators which transmit audio signals to wireless multi-channel receivers for the delegates to hear the language of their choice via personal earphones.

Operating in the higher 2 to 6 MHz frequency band, the system is immune to distortion from hall lighting and free from radio interferences, ideally suited for use in business and government conferences, international conventions and other multilingual applications.

Typical Applications

 Convention centre

      Parliament chamber

      Courtroom

 Boardroom

      Council chamber

      Classroom

 Auditorium

      Theatre 

      House of Worship

Gonsin Infrared Simultaneous Interpretation Manual - PDF

Interpreter Console

The TC-F06 interpreter console is a digitally-controlled workstation allowing two interpreters to work in turn.

  • Handles simultaneous interpretation for up to 6 different languages.
  • Gooseneck microphone and headset microphone can be used
  • Built-in loudspeaker with volume level control
  • LCD screen for specific information display
  • 3.5mm jacks on both sides for MIC input and headphone/recording output
  • 3 incoming languages can be preset, with pre-select A/B/C keys.
  • Automatic channel interlocking prevents interpreters from using same outgoing channel
  • Relay interpretation allows the interpreters to work from an active channel other than the floor
  • MUTE key to enable a brief muting of the microphone for cough cut
  • SLOW key to alert the current speaker to speak slowly
  • Loudspeaker is automatically switched off when MIC is on or headset is used
  • The floor signal automatically goes to the output channel after the microphone is switched off
  • Multiple interpreter consoles can be connected in a daisy-chain
  • Designed to comply with all related international standards & requirements.
  • Frequency response: 50-18kHz
  • Distortion at 1 kHz: < 0.1%
  • Channel separation: > 85 dB
  • Signal-to-noise ratio: > 90 dB
  • Max. input power level: 7.5V
  • Operating voltage: 24V
  • Power consumption: 2.5W
  • 8�/2W built-in loudspeaker
  • Operating temperature: 0��-50��
  • Standard mic stem length: 425 mm
  • 128x64 backlit LCD screen
  • 3/5/10m cable with DB25 connectors
  • 3.5mm jacks for mic, headphone, recorder
  • ABS base: 247 X 145 X 95mm

  • IR Transmitter

    The TC-Z904V infrared transmitter is a microprocessor based central unit which is designed to modulate and transmit 4 sound channels to different carrier frequencies.  It features built-in IR test diodes for audio monitoring and testing of receivers, independent channel volume control, independent channel output level indicators, and independent channel audio output for sound recording.  Test mode produces a different frequency tone for each input/channel. Two BNC sockets can link up infrared radiators in two lines. Multiple interpreter consoles can be connected to the transmitter in a daisy chain.

  • Modulation mode: FM
  • Frequency synthesis: digital PLL
  • Frequency band: 2.0 - 6.0MHz
  • Frequency response: 100-14kHz
  • Frequency stability: 10ppm
  • Pre-emphasis: 75 � Sec.
  • Peak deviation: �7.5kHz
  • Distortion at 1 kHz: <0.5%
  • Channel separation: >70dB
  • RF output power level: 700mV
  • RF output impedance: 55-75 ohms
  • Input impedance: 18k ohms
  • Max. input power level: 7.5V
  • AGC range: 30dB
  • S/N ratio: >75dB
  • Power consumption: 40W
  • Powe requirement: 110/240VAC, 50-60Hz
  • 19" rack mountable case
  • Dimension: 430�~99�~325 mm (W�~H�~D)
  •  

     

    IR Radiator

     

    The TC-H15 high-power infrared radiator can be switchable to 50% low power, making it suitable for use in larger halls and smaller rooms. The radiator�s integrated power supply unit is automatically switched on and off by the carrier signals from the transmitter by means of an high frequency sensor. The radiator is equipped with automatic gain control to ensure the infrared diodes function with maximum efficiency, and is naturally convection cooled for totally silent and maintenance-free continuous operation. It can be ceiling or wall mounted for permanent installation, or set up on an optional tripod for portable application.Multiple radiators can easily be daisy-chained together to expand coverage. The unit is easy to maintain and clean, with IR emitting diodes protected by the cover plate.

  • Frequency band: 2.0 - 6.0 MHz
  • IR output power: 15W
  • Switchable output level: Low/High
  • Coverage range: up to 30 meters
  • Angle of half intensity: �22�
  • RF output impedance: 55-75 ohms
  • RF input voltage: 100-2000mV
  • Power consumption: 55W, Stand-by 8W
  • Power Supply: 110/240VAC, 50/60Hz
  • Operating temperature: 0��-40��
  • Cable: 75�-4 coax, BNC connectors
  • Dimensions: 450�~211�~82 mm
  •  

    IR Receiver

    The portable TC-J904 infrared receiver is designed to receive 4 audio channels. The optical lens offers a wider receiving angle to pick up the infrared light signal. The delegate may listen to any selected language on a headphone/earphone.  Volume level can be adjusted through the volume control for comfortable listening.  Any number of receivers can be used in an installation.

     

  • Modulation mode: FM
  • Frequency synthesis: digital PLL
  • Frequency band: 2.0 - 6.0MHz
  • Frequency response: 100-14kHz
  • De-emphasis: 75 � Sec.
  • Peak deviation: �7.5kHz
  • Distortion at 1 kHz: <1%
  • S/N ratio: >55dB
  •  

     

  • Frequency stability: 10ppm
  • Operating voltage: 2.3V-3.6V
  • Power consumption: 50mW
  • Slide switch for channel selection
  • Switch for power on/off & volume control
  • 3.5mm earphone output jack
  • Battery type: 2 x AAA alkaline or rechargeable
  • Pocket clip and lanyard for easy-wearing
  • Dimensions: 140�~58�~30 mm (LxWxD)
  •  

    IR Receiver

    The portable TC-J904L infrared receiver is designed to receive 4 audio channels.  The unit is powered by a more environment-friendly rechargeable Lithium-ion battery pack.  The selected channel number and battery level can be displayed on LCD screen.  The user may listen to any selected language on a personal earphone.  Volume level can be adjusted through a thumbwheel switch for comfortable listening.  Any number of receivers can be used within the radiator's effective coverage range in an installation.

  • Slide switch for power on/off
  • Thumbwheel switch for volume control
  • 3.5mm phone output jack
  • Up/down push buttons for channel selection
  • LCD shows channel number & battery level
  • Pocket clip and lanyard for easy-wearing
  • Rechargeable Li-ion battery pack included
  • Integrated charging electronics & contacts
  • Modulation mode: FM
  • Frequency synthesis: digital PLL
  • Carrier frequencies: 2.0 - 6.0MHz
  • Frequency response: 100-14kHz
  • De-emphasis: 75 � Sec.
  • Peak deviation: �7.5kHz
  • Distortion at 1 kHz: <1%
  • S/N ratio: >55dB
  • Channel separation: >55dBA
  • Frequency stability: 10ppm
  • Operating voltage: 3.7V
  • Power consumption: 50mW
  •  

    Charging Case  GX-20

  • Designed to be used for charging and storage of receiver units
  • Accommodates up to 20 receiver units with Li-ion battery packs
  • Microprocessor-based unit w/ smart charging circuit
  • DC 5V low voltage charging power
  • Independent LED indicators for charging status
  • About 10 hours needed to fully recharge 20 receivers
  • Receivers can be left in the case after the charge is complete
  • AC/DC adaptor w/ power cord
  • Power input AC100-240V 50/60Hz, output DC5V 8A
  • Dimensions: 59x30x18 cm (LxDxH)
  •  

    Interpreter Headset  TC-D2

  • Closed-ear stereo headset with mic & vol control
  • Connectors: 3.5mm stereo plugs
  • Impedance: 60��15%
  • Frequency response: 20Hz to 20KHz
  • Input power: 30-50mW
  • Sensitivity (1 kHz): -58�2dB
  • Microphone type: Omni-directional dynamic
  • Microphone sensitivity (1 kHz): -58�2dB
  • Cord length: 2 meters
  •  

    Delegate Earphone  TC-D1

  • Single clip-on mono earphone
  • 3.5mm mini plug
  • Impedance: 40��10%
  • Sensitivity: 102dB
  • Frequency response: 7Hz to 24KHz
  • Input power: 8-50mW
  • Cord length: 120 cm
  • Full range enhance system
  • Super bass frequency technology
  •  

                                      Configuration Diagram

     

    Gonsin Infrared Simultaneous Interpretation Manual - PDF

     

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