3-254-600-12(1)
Wireless Stereo
Headphone System
Operating Instructions
MDR-RF820RK
MDR-RF850RK
© 2003 Sony Corporation
WARNING
To prevent fire or shock hazard, do not expose the unit to rain or moisture.
To prevent fire or shock hazard, do not place objects filled with liquids, such as vases, on the apparatus.
To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only.
Do not install the appliance in a confined space, such as a bookcase or built-in cabinet.
Hereby, Sony Corp., declares that this equipment is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC.
For details, please access the following URL : http://www.compliance.sony.de/
This product is intended to be used in the following countries.
CEK version: United Kingdom
CED version: Germany, Sweden, Denmark, Finland, Norway, Belgium, Switzerland, Austria, Netherlands, France, Portugal, Italy, Spain
To check for version, please refer to the barcode label located on the top of the box.
Welcome!
Thank you for purchasing the Sony MDR-RF820RK/RF850RK 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. Just by placing the headphones on the transmitter, headphone batteries can be charged.
•Comfortable Circum-aural headphones with self adjusting head band
•Automatic ON/OFF function on headphones to preserve battery power
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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.
•The transmitter is placed on a metal instrument.
•An area facing a roadway.
•Noise or interfering signals exist in the surroundings due to radio transceivers in trucks, etc.
•Noise or interfering signals exist in the surroundings owing to wireless communication systems installed along roadways.
Table of contents |
|
Getting started |
|
Unpacking ...................................................... |
4 |
Charging the supplied rechargeable |
|
batteries .................................................... |
4 |
Setting up the transmitter ............................ |
7 |
Operating the system |
|
Listening to a programme ............................ |
9 |
The effective areas of the transmitter ....... |
11 |
Replacing the ear pads ............................... |
11 |
Additional information |
|
Precautions ................................................... |
12 |
Troubleshooting .......................................... |
12 |
Specifications ............................................... |
13 |
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N Getting started
Unpacking
Check that you have the following items:
• The headphones (1)
• The transmitter (1)
•AC power adaptor (1)
•Unimatch plug adaptor (1) (stereo mini jack y stereo phone plug)
•Connecting cord (1) (phono plugs y stereo mini plug), 1 m
•Rechargeable nickel-metal hydride batteries (2)
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 battery compartment lid comes off.
Button
2 Insert the supplied rechargeable nickel-metal hydride batteries into the battery compartment matching the 3 terminals on the batteries to the 3 marks in the compartment.
Do not use rechargeable batteries other than the supplied ones.
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3 Close the battery compartment lid.
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.
Charging is completed in about 16 hours and the charging indicator goes off.
When placing the headphones on the transmitter, be sure to hold them level with both hands and that the right and left housings are placed straight down on the transmitter, and then tilt them back as illustrated above.
Right housing
Left housing
When the indicator does not light in green
Check if the right and left headphones are rested on the transmitter correctly. The indicator will not light up if the headphones’ contact point does not meet the transmitter’s contact pin. Remove the headphones and replace them on the transmitter again so that the indicator lights in green.
To recharge the headphone battery after use
Place the headphones on the transmitter after use. Since the built-in timer recognizes when charging is complete, there is no need to remove the headphones from the transmitter after charging.
Notes
•The transmitter automatically turns off while charging the batteries.
•This system is designed to charge only the supplied rechargeable batteries type BP-HP550 for safety. Note that other types of rechargeable batteries cannot be charged with this system.
•If dry batteries are installed, they cannot be charged.
•Do not attempt to use the supplied BP-HP550 rechargeable batteries for other components. They are for use with this system only.
•Charge in an environmental temperature of between 0˚C and 40˚C (between 32˚F and 104˚F).
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