Sony MDR-RF820RK Operating Instructions Manual
Sony MDR-RF820RK Operating Instructions Manual

Sony MDR-RF820RK Operating Instructions Manual

Wireless stereo headphone system
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3-254-600-12(1)
Wireless Stereo
Headphone System
Operating Instructions
MDR-RF820RK
MDR-RF850RK
© 2003 Sony Corporation

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Summary of Contents for Sony MDR-RF820RK

  • Page 1 3-254-600-12(1) Wireless Stereo Headphone System Operating Instructions MDR-RF820RK MDR-RF850RK © 2003 Sony Corporation...
  • Page 2 Do not install the appliance in a confined space, such as a bookcase or built-in cabinet. Hereby, Sony Corp., declares that this equipment is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. For details, please access the following URL : http://www.compliance.sony.de/...
  • Page 3: Table Of Contents

    Notes on receiving performance This system utilizes very high frequency signals in the 800 MHz band so the receiving performance may deteriorate due to the surroundings. The following examples illustrate conditions that may reduce the reception range or cause interference. •...
  • Page 4: Getting Started

    The supplied rechargeable nickel-metal hydride batteries are not charged from the first time you use them. Be sure to charge them before use. To charge the headphones, place them on the transmitter. Press the button of the left housing to open the battery compartment lid.
  • Page 5 When the indicator does not light in green Check if the right and left headphones are rested on the transmitter correctly. The indicator will not light up if the headphones’ contact point does not meet the transmitter’s contact pin. Remove...
  • Page 6: Checking The Remaining Battery Power

    Install the batteries in the same manner as described in steps 1 through 3 of “Charging the supplied rechargeable batteries.” When dry batteries are installed, the battery charge function is not activated. Battery life (Using Sony alkaline battery LR03/AM-4(N)) Battery Approx. hours* MDR-RF820RK 28 hours* MDR-RF850RK...
  • Page 7: Setting Up The Transmitter

    (supplied) to headphones jack (stereo phone jack) WALKMAN*, TV, VCR, etc. * WALKMAN is a registered trademark of Sony Corporation to represent Headphone Stereo products. B To connect to LINE OUT or REC OUT jacks Transmitter Left channel (white)
  • Page 8: Connect Supplied Ac Power Adaptor

    Volume Limiter System) function, be sure to turn the function off when using the transmitter. Otherwise, you will have to turn up the volume of the headphones, and that may cause noise. Connect the supplied AC power adaptor to the transmitter.
  • Page 9: Operating The System

    Be sure to put the right housing (R) on your right ear and the left housing (L) on your left ear. Wear the headphones vertically on your head so that auto power on function is properly activated.
  • Page 10 If you do not receive a clear audio signal, press it again. VOL control B MDR-RF820RK Tune the headphones in to the frequency of the transmitter with the TUNE control until you can hear the audio signal loud and clear.
  • Page 11: The Effective Areas Of The Transmitter

    The ear pad is not commercially available. You can order replacements from the store where you purchased this system, or at your nearest Sony dealer. Remove the old ear pad by pulling it out of the groove on the housing.
  • Page 12: Additional Information

    If you have any questions or problems concerning the system that are not covered in this manual, please consult the nearest Sony dealer. Be sure to bring the headphones and the transmitter to the Sony dealer when requiring repair work.
  • Page 13: Specifications

    • Charge the supplied rechargeable batteries or if the POWER indicator is still off after charging the supplied rechargeable batteries, take the headphones to a Sony dealer for replacement of the rechargeable battery. If you connect the transmitter to LINE...
  • Page 16 Sie bitte nach dem Strichcodeetikett oben auf dem Karton. Español Por medio de la presente, Sony Corp. declara que el equipo cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999/5/CE. Para obtener más información, visite la dirección URL siguiente: http://www.compliance.sony.de/...

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