3-222-709-14(1)
Wireless Stereo
Headphone System
Operating Instructions
MDR-RF875RK
© 2000 Sony Corporation
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
Thank you for purchasing the Sony
MDR-RF875RK 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 battery. Just by placing the
headphones on the transmitter, headphone
battery 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.
2
Notes on receiving
Table of contents
performance
The system for this equipment 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 possible receiving
range or cause interference with reception.
• Inside a building with walls containing steel
beams.
• Area with many steel file cabinets, etc.
• Area with many electrical appliances capable
of generating electromagnetic noise.
• Transmitter is placed on a metal instrument.
• 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
Setting up the transmitter ............................ 4
Charging the headphone battery ................ 6
Operating the system
Listening to a program ................................. 7
The effective areas of the transmitter ......... 9
Replacing the ear pads .................................9
Additional information
Precautions ...................................................10
Troubleshooting ..........................................10
Specifications ...............................................11
3
N Getting started
Setting up the
Unpacking
Check that you have the following items:
• The headphones
• The transmitter
• AC power adaptor
• Unimatch plug adaptor (stereo mini jack y
stereo phone plug)
transmitter
1 Connect the transmitter to audio/video
equipment. Select one of the hookups
below depending on the jack type:
A To connect to a headphone jack
Transmitter
OFF ON
FILTERNOISE
Right channel
(red)
Connecting cord
(supplied)
RBAL
AUDIO IN
to AUDIO IN
A jacks
DC IN 9V
123
CHANNEL
Left channel
(white)
• Connecting cord (phono plugs y stereo mini
plug), 1 m
4
Unimatch plug
adaptor
(supplied)
to headphones
jack (stereo
phone jack)
to headphones
jack (stereo
mini jack)
CD Walkman,
MD Walkman,
WALKMAN*,
VCR, etc.