3
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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. 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
• As a power saving feature, the transmitter
automatically turns ON when the audio signal
is detected and OFF when the signal is not
received.
Notes on receiving
performance
The system for this equipment utilizes very high
frequency signals in the 900 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 roadways.
• Noise or interfering signals exist in the
surroundings due to radio transceivers in
trucks, etc.
• Noise or interfering signals exist in the
surroundings due 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 program ............................. 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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