2-593-177-31(1) Wireless Stereo Headphone System Operating Instructions MDR-RF885RK © 2005 Sony Corporation
WARNING Welcome! To prevent fire or shock hazard, do not expose the unit to rain or moisture. Thank you for purchasing the Sony MDR-RF885RK Wireless Stereo Headphone System. Before operating the unit, please read this manual thoroughly and retain it for future reference.
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. • Inside a building with walls containing steel beams. • An area with many steel file cabinets, etc. • An area with many electrical appliances capable of generating electromagnetic fields.
N Getting started Unpacking Check that you have the following items: • The headphones (1) Charging the supplied rechargeable battery The supplied rechargeable nickel-metal hydride battery is not charged from the first time you use it. Be sure to charge it before use. To charge the headphones, place them on the transmitter. 1 Open the battery compartment lid.
3 Close the battery compartment lid. G IN N TU OP EN PO WE R contact point contact pin 4 Connect the supplied AC power adaptor to the transmitter. Transmitter When the indicator does not light in red 123 CHANNEL R DC IN 9V A L INPUT B Check if the headphones are rested on the transmitter correctly. The indicator will not light in red and if the headphones’ contact point does not meet the transmitter’s contact pin resulting in no charge.
Charging and usage hours Notes on Battery Approx. *1 at 1 kHz, 1 mW+1 mW output *2 hours required to fully charge empty battery *3 Time stated above may vary, depending on the temperature or conditions of use. • Do not charge a dry battery. • Do not carry a dry battery together with coins or other metallic objects. It can generate heat if the positive and negative terminals of the battery accidentally come into contact with metallic objects.
Setting up the transmitter 1 Connect the transmitter to audio/ B To connect to LINE OUT or REC OUT jacks 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.
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. 2 Remove the headphones from the transmitter.
5 Turn up the volume to a moderate level with the VOL control. Press the TUNING button briefly for automatic tuning of the headphones. If you do not receive a clear audio signal, press it again. VOL control TU N IN G TUNING button VOLUME OP EN PO WE R Follow steps 3 and 5 above until the receiving performance becomes better. 10 MDR-RF885RK. 2-593-177-11(1).
Effective coverage of the transmitter The maximum distance is up to approximately 100 m without the system picking up any 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 another channel. Replacing the ear pads The ear pads are replaceable.
N Additional information Troubleshooting Precautions • If the transmitter is not to be used for a long period of time, disconnect the AC power adaptor from the AC outlet by 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. Notes on headphones Preventing hearing damage Avoid using headphones at high volume. Hearing experts advise against continuous, loud and extended play.
Problem Solution Distortion If the transmitter is connected to the headphone jack, reduce the volume of the connected audio/video equipment. Change the radio frequency with the CHANNEL selector switch on the transmitter. The headphones’ power indicator light is weak or turned off. • Charge the supplied rechargeable battery or if the power indicator is still off after charging the supplied rechargeable battery, take the headphones to a Sony dealer for replacement of the rechargeable battery.
MDR-RF885RK. 2-593-177-11(1).
MDR-RF885RK. 2-593-177-11(1).
Svenska Härmed intygar Sony Corp. att detta högtalarsystem står i överensstämmelse med de väsentliga egenskapskrav och övriga relevanta bestämmelser som framgår av direktiv 1999/5/EG. Mer information finns på webbadressen: http://www.compliance.sony.de/ Dansk Undertegnede, Sony Corp., erklærer herved, at følgende udstyr overholder de væsentlige krav og øvrige relevante krav i direktiv 1999/5/EF. Yderligere oplysninger findes på http://www.compliance.sony.de/ Suomi Sony Corp.
