3-264-043-11(1) Wireless Stereo Headphone System Operating Instructions GB Mode d’emploi FR Manual de instrucciones ES MDR-RF920RK MDR-RF960RK © 2004 Sony Corporation MDR-RF920RK/RF960RK_U [US,FR,ES]3-264-043-11(1)
Welcome! Thank you for purchasing the Sony MDR-RF920RK/RF960RK 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 • High fidelity sound reproduction • A compact transmitter with an AC power adaptor (supplied) enables simple charging of the headphone batteries.
N Getting started Unpacking Check that you have the following items: • The headphones (1) Charging the supplied rechargeable batteries 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. 1 Press the button of the left housing to open the battery compartment lid. • The transmitter (1) The battery compartment lid comes off.
3 Close the battery compartment lid. Right housing Left housing When the indicator does not light in green 4 Connect the supplied AC power adaptor to the transmitter. Transmitter to an AC outlet AC power adaptor (supplied) to DC IN 9V jack 5 Rest the headphones on the transmitter so that the headphones’ contact point meets the transmitter’s contact pin while making sure that the charging indicator lights in green. Check if the right and left headphones are rested on the transmitter correctly.
Charging and usage hours Approx. Notes on Batteries Approx. usage time* 1 changing hours MDR-RF920RK MDR-RF960RK 1 hour 16 hours* 80 minutes*3 75 minutes*3 2 18 hours*3 15 hours*3 *1 at 1kHz, 1mW+1mW output *2 hours required to fully charge empty batteries *3 Time stated above may vary, depending on the temperature or conditions of use. Using the headphones with dry batteries (sold separately) Commercially available (size AAA) dry batteries can also be used to power the headphones.
B To connect to LINE OUT or REC OUT jacks Setting up the transmitter 1 Connect the transmitter to audio/ Transmitter video equipment.
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 supplied AC power adaptor to the transmitter. Transmitter to an AC outlet Transmitter to INPUT B jacks 1 2 3 CHANNEL NOISE FILTER ON OFF AC power adaptor (supplied) INPUT A Left channel (white) L INPUT B Right channel (red) R DC IN 9V ! to DC IN 9 V jack Connecting cord (supplied) Notes • Use only the supplied AC power adaptor.
N Operating the system 3 Select the radio frequency with the CHANNEL selector switch. Listening to a program Before listening To prevent your ears from being damaged, first lower the volume. 1 Turn on the audio/video equipment connected to the transmitter. If the transmitter is connected to the headphone jack, set the volume control of the audio source equipment as high as possible but not so high that the audio signal becomes distorted.
5 Turn up the volume to a moderate level with the VOL control. TUN E A MDR-RF960RK Press the TUNE button briefly for automatic tuning of the headphones. If you do not receive a clear audio signal, press it again. TUNE button VOL control B MDR-RF920RK Tune the headphones into the frequency of the transmitter with the TUNE control until you can hear the audio signal loud and clear.
The effective areas of the transmitter The optimum distance is up to approximately 46 m (150 feet ) 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 and the headphones, or select the other channel. Replacing the ear pads The ear pads are replaceable.
N Additional information Troubleshooting Precautions • When the transmitter is not to be used for a long period of time, disconnect the AC power adaptor from the AC outlet holding the plug. Do not pull on the cord. • Do not leave the wireless stereo headphone system in a location subject to direct sunlight, heat or moisture. 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 headphone jack, volume of the connected audio/video equipment. General Change the radio frequency with the CHANNEL selector on the transmitter. Carrier frequency The headphones’ POWER indicator light is weak or turned off.
