Sony MDR-RF920RK Operating Manual - Page 3

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. 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 GB Troubleshooting 12 Specifications 13 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. 3GB