Sony MDR-RF850RK User Manual

3-254-600-12(1)

Wireless Stereo Headphone System

Operating Instructions

MDR-RF820RK MDR-RF850RK

WARNING

Welcome!

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

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

To check for version, please refer to the barcode label located on the top of the box.

Notes on receiving

Table of contents

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.

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

N Getting started

Charging the supplied

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)

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.

• Connecting cord (1) (phono plugs y stereo mini plug), 1 m

• Rechargeable nickel-metal hydride batteries (2)

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)

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.

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.

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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