Sony MDR-RF830RK User Manual

3-864-094-11(1)

Wireless Stereo Headphone System

Operating Instructions

MDR-RF830RK

WARNING

Notes on receiving

To prevent fire or shock hazard, do not expose the unit to rain or moisture.

To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only.

Welcome!

Thank you for purchasing the Sony MDR-RF830RK 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

• Compact transmitter which operates on AC power using the supplied AC power adaptor and which also functions as battery charger

• Comfortable Supra-aural headphones with self adjusting head band

• Automatic ON/OFF function on headphones to preserve battery power

• Mute function to avoid noise when no audio signal is available.

• Either supplied rechargeable batteries or commercially available R6 (size AA) dry batteries are used for the power source of the headphone.

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 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 ......................................................3

Charging the headphones’ batteries........... 3

Setting up the headphones ..........................5

Setting up the transmitter ............................ 6

Operating the system

Listening to a program .................................8

The effective areas of the

transmitter ............................................... 9

Replacing the ear pads ............................... 10

Additional information

Precautions ................................................... 10

Troubleshooting ..........................................11

Specifications ................................ back cover

( Getting started

Charging the

Unpacking

Check that you have the following items:

• The transmitter

• Ni-Cd rechargeable batteries NC-AA-HJ

• AC power adaptor

• The headphones

headphones’ batteries

Using the headphones for the first time

The headphones are powered by either supplied rechargeable batteries or commercially available R6 (size AA) batteries. When you use the headphones with the supplied rechargeable batteries NC-AA-HJ for the first time, charge the batteries in the following manner. NC-AA-HJ is applicable only for Sony cordless/ wireless headphone systems. Never use for any other purpose.

1 Press the OPEN button to open the

battery compartment lid of the transmitter.

2 Insert two NC-AA-HJ batteries

supplied by matching the ] and } on the batteries to the ] and } in the battery compartment.

• Unimatch plug adaptor (stereo mini jack ˜ stereo phone plug)

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

3 Close the battery compartment.

continue to next page

Continued

4 Connect the transmitter to a power

source.

Transmitter

to an AC outlet

To DC IN 9 V jack

AC power adaptor (supplied)

5 Press the OFF/CHG•POWER ON

switch so that the OFF/CHG indicator lights up green. Charging starts.

To recharge the headphones’ batteries after use

To charge the batteries, follow steps above. Since little electric current is used for charging, there is no need to worry about overcharging.

Charging and using hours Approx. charging

hours

1 24**

* at 1 kHz, 1 mW + 1 mW output ** The hours required to fully charge empty batteries

Approx. using time*

50 minutes 20 hours

Notes

• Charge only the supplied rechargeable batteries

NC-AA-HJ.

• You cannot recharge other R6 (size AA) rechargeable

batteries (NC-AA etc.) with this unit.

• Be sure to charge both the rechargeable batteries at a

time. The charger cannot charge the batteries one by one.

• Use only the supplied AC power adaptor. Do not use

any other AC power adaptor.

Polarity of the plug

If the indicator is not lit

Check that the supplied rechargeable batteries are correctly inserted in the battery compartment of the transmitter.

+ 8 hidden pages