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3-222-708-14(1)
Wireless Stereo
Headphone System
Operating Instructions
MDR-RF845RK
MDR-RF815RK
Sony Corporation © 2000 Printed in Korea
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WARNING Welcome! To prevent fire or shock hazard, do not Thank you for purchasing the Sony expose the unit to rain or moisture. MDR-RF845RK/RF815RK Wireless Stereo Headphone System. Before operating the unit, To avoid electrical shock, do not open the please read this manual thoroughly and retain it cabinet. Refer servicing to qualified for future reference. personnel only. Some features are: • Wireless system that allows you to listen to a program free from the restriction of a cord • High fid
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Notes on receiving Table of contents performance Getting started The system for this equipment utilizes very high Unpacking ...................................................... 4 frequency signals in the 800 MHz band so the Setting up the transmitter ............................ 4 receiving performance may deteriorate due to the Charging the headphone battery ................ 6 surroundings. The following examples illustrate conditions that may reduce the possible receiving range or cause int
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N Getting started Setting up the transmitter Unpacking 1 Connect the transmitter to audio/video Check that you have the following items: equipment. Select one of the hookups • The headphones below depending on the jack type: A To connect to a headphones jack Transmitter to AUDIO IN • The transmitter A jacks DC IN 9V BA R L OFF ON 123 NOISE FILTER AUDIO IN CHANNEL Right channel Left channel (red) (white) • AC power adaptor Connecting cord • Unimatch plug adaptor (stereo mini jack y (supplied) st
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B To connect to LINE OUT or REC OUT C To connect to TV, etc. jacks If noise occurs when the transmitter is connected to your TV or VCR, set the NOISE FILTER switch to ON. Transmitter to AUDIO IN B jack to AUDIO IN A jacks DC IN 9V BA R L OFF ON 123 NOISE FILTER AUDIO IN CHANNEL DC IN 9V BA R L OFF ON 123 NOISE FILTER CHANNEL AUDIO IN Right channel Left channel (red) (white) Connecting cord (supplied) Connecting cord (supplied) Left channel Right channel to stereo mini jack (white) (red) to LINE
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Continued Charging the 2 Connect the transmitter to an AC outlet using the supplied AC power adaptor. headphone battery Notes Using the headphones for the first time • Use only the supplied AC power adaptor. Do not use When you use the headphones for the first time, any other AC power adaptor. charge the battery in the following manner. 1 Connect the transmitter to a power source. Polarity of the plug Transmitter • When you connect the transmitter directly to a to an AC outlet monaural earphone
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To recharge the headphone battery after N Operating the system use Since little electric current is used for charging, there is no need to worry about overcharging. Listening to a program Charging and using hours 1 First turn on the audio/video Approx. charging Approx. using time* equipment and start playing. hours MDR- MDR- 2 Remove the headphones from the RF845RK RF815RK transmitter. 1 50 minutes 55 minutes The transmitter’s power indicator will light in red. 24** 20 hours 23 hours * at 1 kHz,
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Continued Sending RF signals from the Transmitter The transmitter starts sending the RF signals automatically, when it detects audio signals from 5-A Turn up the volume to a moderate the equipment connected. level with the VOL control. If it does not detect an audio signal for more than Press the TUNING button briefly for approximately four minutes, the transmitter will automatic tuning of the headphones. stop sending RF signals, and the power indicator If you do not receive a clear audio turns
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The effective areas of Replacing the ear pads the transmitter When the ear pads become dirty or damaged, you can get replacements from your Sony dealer. The optimum distance is up to approximately Replace them as illustrated below. 100 m without the system picking up some interference. However, the distance may vary 1 Remove the old ear pad by pulling it according to the surroundings and environment. out of the groove on the housing. If the system picks up some noise while using it within the ab
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N Additional information Troubleshooting Precautions Problem Solution • When the transmitter is not to be used for a No sound/ Check the connection of the audio/ long period of time, disconnect the AC power Muffled video equipment or the AC power adaptor from the AC outlet holding the plug. sound adaptor. Do not pull on the cord. Check that the audio/video • Do not leave the wireless stereo headphone equipment is turned on. system in a location subject to direct sunlight, Turn up the volume on t
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Problem Solution Distortion If the transmitter is Specifications connected to the headphones jack, turn down the volume of the General connected audio/video equipment. Carrier frequency Change the radio frequency with the 863.5 – 864.5 MHz CHANNEL selector on the transmitter. Channel Ch1, Ch2, Ch3 The headphones’ POWER indicator Modulation FM stereo light is weak or turned off. Frequency response • Charge the built-in rechargeable 20 – 20,000 Hz battery or if the POWER indicator is still off aft
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Français Cet équipement est conforme aux exigences de la directive 1999/5/EC relative aux radio et télécommunications (Radio Svenska and Telecommunications Terminal Equipment Directive). Den här utrustningen uppfyller de väsentligaste kraven Ce produit est conçu pour être utilisé dans les pays suivants. enligt 1999/5/EC Radio and Telecommunications Terminal Versions CEK : Royaume-Uni Equipment Directive. Version CED : Allemagne, Suède, Danemark, Finlande, Den här produkten är avsedd att användas
