3-864-094-11(1) Wireless Stereo Headphone System Operating Instructions MDR-RF830RK Sony Corporation © 1998 Printed in Korea
WARNING To prevent fire or shock hazard, do not expose the unit to rain or moisture. To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only. Welcome! Thank you for purchasing the Sony MDR-RF830RK Wireless Stereo Headphone System. Before operating the unit, please read this manual thoroughly and retain it for future reference. Some features are: • Wireless system that allows you to listen to a program free from the restriction of a cord.
( Getting started Unpacking Check that you have the following items: • The transmitter Charging the headphones’ batteries Using the headphones for the first time The headphones are powered by either supplied rechargeable batteries or commercially available 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.
Continued 4 Connect the transmitter to a power source. To recharge the headphones’ batteries after use To charge the batteries, follow steps above. Since little electric current is used for charging, there is no need to worry about overcharging. Transmitter Charging and using hours to an AC outlet To DC IN 9 V jack AC power adaptor (supplied) 5 Press the OFF/CHG•POWER ON switch so that the OFF/CHG indicator lights up green. Charging starts.
Setting up the headphones Using the headphones with a commercially available R6 (size AA) dry batteries Install the batteries in the manner as described in “Setting up the headphones.” 1 Battery life Open the battery compartment lid on the left outer side of the head band. Battery Approx.
Setting up the transmitter 1 Connect the transmitter to audio/video b To connect to LINE OUT or REC OUT jacks Transmitter 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 A jacks Right channel (red) Connecting cord (supplied) Left channel (white) Left channel (white) Right channel (red) to LINE OUT or REC OUT jacks Connecting cord (supplied) Stereo system, VCR, etc.
c To connect to TV etc. If noise occurs when the transmitter is connected to your TV or VCR, set the NOISE FILTER switch to ON. 2 Connect the transmitter to an AC outlet using the supplied AC power adaptor. Notes • Use only the supplied AC power adaptor. Do not use any other AC power adaptor.
( Operating the system Listening to a program 1 2 First turn on the audio/video equipment, then turn on the transmitter. Select the radio frequency with the CHANNEL selector switch. Sending RF signals from the Transmitter The transmitter starts sending the RF signals automatically, when it detects audio signals from the equipments connected. If it does not detect an audio signal for more than approximately one minute, the transmitter will stop sending RF signals.
After listening to a program Take the headphones off and rest them away on the holder of the transmitter as shown below. Holder Self adjusting band The effective areas of the transmitter 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.
Replacing the ear pads When the ear pads become dirty or damaged, you can get replacements from your Sony dealer. Replace them as illustrated below. 1 2 Remove the old ear pad by pulling it out of the groove on the housing. Place the new ear pad on the driver unit and insert the edge of the pad into the groove as illustrated.
Troubleshooting Problem Solution No sound/ Muffled sound Turn on the transmitter first, then put on the headphones. Problem Solution Distortion If the transmitter is connected to the headphones jack, turn down the volume of the connected audio/video equipment. Select the radio frequency with the CHANNEL selector. The headphones’ POWER indicator light is weak or turned off.
Continued Specifications Problem Solution The batteries The dry batteries are installed. cannot be • Install the supplied rechargeable charged. batteries. The rechargeable batteries other than NC-AA-HJ are installed. • Install NC-AA-HJ rechargeable batteries. Incapable Turn up the volume moderately, then of the tuning tune in the frequency. General Carrier frequency 863.32 – 863.
