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3-864-094-11(1)
Wireless Stereo
Headphone System
Operating Instructions
MDR-RF830RK
Sony Corporation © 1998 Printed in Korea
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WARNING Notes on receiving performance To prevent fire or shock hazard, do not expose the unit to rain or moisture. The system for this equipment utilizes very high To avoid electrical shock, do not open the frequency signals in the 800 MHz band so the cabinet. Refer servicing to qualified receiving performance may deteriorate due to the personnel only. surroundings. The following examples illustrate conditions that may reduce the possible receiving range or cause interference with reception. •
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( Getting started Charging the headphones’ batteries Unpacking Using the headphones for the first time Check that you have the following items: The headphones are powered by either supplied rechargeable batteries or commercially available • The transmitter R6 (size AA) batteries. When you use the headphones with the supplied rechargeable batteries NC-AA-HJ for the first time, charge the batteries in the following manner. NC-AA-HJ is applicable only for Sony cordless/ wireless headphone systems.
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Continued To recharge the headphones’ batteries after use To charge the batteries, follow steps above. 4 Connect the transmitter to a power Since little electric current is used for charging, source. there is no need to worry about overcharging. Transmitter Charging and using hours to an AC outlet Approx. charging Approx. using time* hours 1 50 minutes To DC IN 9 V jack 24** 20 hours * at 1 kHz, 1 mW + 1 mW output ** The hours required to fully charge empty batteries AC power adaptor (supplied)
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Using the headphones with a commercially available R6 (size AA) dry Setting up the batteries Install the batteries in the manner as described in headphones “Setting up the headphones.” Battery life 1 Open the battery compartment lid on the left outer side of the head band. Battery Approx. hours* Sony alkaline battery 60 LR6 (SG) Sony battery R6P (SR) 30 * at 1 kHz, 1 mW + 1 mW output Notes on batteries To avoid damage to the system caused by battery leakage and corrosion; – Install the batteries
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b To connect to LINE OUT or REC OUT jacks Setting up the transmitter Transmitter 1 Connect the transmitter to audio/video equipment. Select one of the hookups below depending on the jack type: to AUDIO IN B jack a To connect to a headphones jack Transmitter to AUDIO IN Connecting cord A jacks (supplied) Right channel Left channel (red) (white) Left channel Right channel (white) (red) to LINE OUT or REC OUT jacks Connecting cord (supplied) Stereo system, VCR, etc. Unimatch plug to headphones ada
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c To connect to TV etc. 2 Connect the transmitter to an AC outlet If noise occurs when the transmitter is using the supplied AC power adaptor. connected to your TV or VCR, set the NOISE FILTER switch to ON. Notes • Use only the supplied AC power adaptor. Do not use any other AC power adaptor. Transmitter to AUDIO IN A jack Polarity of the plug • When you connect the connecting cord directly to an earphone jack, the audio signal will not be output through the right channel. In such a case, use t
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Sending RF signals from the Transmitter ( Operating the system The transmitter starts sending the RF signals automatically, when it detects audio signals from the equipments connected. Listening to a program If it does not detect an audio signal for more than approximately one minute, the transmitter will stop sending RF signals. 1 First turn on the audio/video But the Power indicator remains lighting. When equipment, then turn on the the transmitter receives an audio signal again, it transmit
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After listening to a program Take the headphones off and rest them away on The effective areas of the holder of the transmitter as shown below. the transmitter Holder Self adjusting band The optimum distance is up to approximately 100 m without the system picking up some interference. However, the distance may vary according to the surroundings and environment. If the system picks up some noise while using it within the above mentioned distance, reduce the distance between the transmitter unit a
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( Additional information Replacing the ear pads Precautions When the ear pads become dirty or damaged, you can get replacements from your Sony dealer. Replace them as illustrated below. • When the headphones are not to be used for a long period of time, remove the batteries to avoid damage caused by battery leakage and 1 Remove the old ear pad by pulling it subsequent corrosion. out of the groove on the housing. • When the transmitter is not to be used for a long period of time, disconnect the A
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Problem Solution Troubleshooting Distortion If the transmitter is connected to the headphones jack, turn down the volume of the connected audio/video equipment. Problem Solution Select the radio frequency with the No sound/ Turn on the transmitter first, then put CHANNEL selector. Muffled on the headphones. The headphones’ POWER indicator sound Check the connection of the audio/ light is weak or turned off. video equipment or the AC power • Charge the rechargeable batteries or adaptor. if the PO
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Continued Specifications Problem Solution General The batteries The dry batteries are installed. cannot be • Install the supplied rechargeable Carrier frequency charged. batteries. 863.32 – 863.67 MHz The rechargeable batteries other than Channel Ch1, Ch2 NC-AA-HJ are installed. Modulation FM stereo • Install NC-AA-HJ rechargeable batteries. Frequency response Incapable Turn up the volume moderately, then 20 – 20,000 Hz of the tuning tune in the frequency. Transmitter TMR-RF830R Power source DC
