Handleiding Sony MDR-RF940R Koptelefoon

Handleiding

Battery

Sony alkaline battery

LR6 (SG)

Sony battery R6P (SR)

Operating Instructions

Mode d’emploi

Sony Corporation © 1997 Printed in Japan

MDR-RF940R

3-858-950-31(1)

Welcome!

Thank you for purchasing the Sony

MDR-RF940R Wireless Stereo

Headphones. 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 within 130 feet

from the transmitter.

• High fidelity sound reproduction

• Comfortable Circum-aural

headphones

• Automatic ON/OFF function on

headphones to preserve battery power

• Mute function to avoid noise when no

audio signal is available.

( Getting started

Setting up the

headphones

1 Open the battery compartment lid

on the left inner side of the head

band.

2 Insert two R6 (size AA) batteries by

matching the + and – on the batteries

to the + and – in the battery

compartment.

3 Close the battery compartment lid.

Battery life

When to replace the batteries

Replace both batteries with new ones

when the POWER indicator dims, and a

hissing noise increases.

Notes on batteries

To avoid damage to the system caused

by battery leakage and corrosion;

— Install the batteries with the correct

polarity.

— Do not try to recharge the batteries.

— Remove the batteries if the system is

not to be used for a long period of

time.

In case of battery leakage, wipe off any

deposit in the battery compartments

before installing new batteries.

Wireless Stereo

Headphones

Approx. hours

40

20

The effective areas

of the transmitter

The optimum distance is up to

approximately 130 feet (40m) without

the system picking up some interference.

However, the distance may vary

according to the surroundings and

environment. If the system picks up

some noise while using it within the

above mentioned distance, reduce the

distance between the transmitter unit

and the headphones, or select the other

channel.

Notes

• When you use the headphones inside the

effective areas of the transmitter, the

transmitter can be placed in any direction

from the listener.

• Even within the signal reception area, there

are some spots (dead point) where the RF

signal can not be received. This

characteristics is inherent to RF signals, and

does not indicate malfunction. By slightly

moving the transmitter, location of the

dead point can be changed.

Replacing the ear

pads

When the ear pads become dirty or

damaged, you can get replacements

from your Sony dealer. Replace them as

illustrated below.

1 Remove the old ear pad by pulling it

out of the groove on the housing.

2 Place the new ear pad on the

housing and insert the edge of the

pad into the groove as illustrated.

Make sure that the entire edge of the ear

pad is securely inserted into the groove.

Troubleshooting

Problem

No sound/

Muffled sound

Distortion

Loud

background

noise

Solution

Turn on the transmitter first, then

put on the headphones.

Check the connection of the

audio/video equipment or the AC

power adaptor.

Check that the audio/video

equipment is turned on.

Turn up the volume on the

connected audio/video

equipment, if the transmitter is

connected to the headphones jack.

The mute function is activated.

Use the headphones near the

transmitter.

Replace both batteries of the

headphones.

Replace the batteries in the

transmitter if the transmitter is

used by battery operation.

If the transmitter is

connected␣ to␣ the␣ headphones jack,

turn down the volume of the

connected audio/video

equipment.

Replace both batteries of the

headphones.

Replace the batteries in the

transmitter if the transmitter is

used by battery operation.

Move closer to the transmitter. As

you move away from the

transmitter, more noise is likely to

be heard.

If the transmitter is connected to

the headphones jack, turn up the

volume of the connected audio/

video equipment.

Replace both batteries of the

headphones.

Replace the batteries in the

transmitter if the transmitter is

used by battery operation.

Specifications

General

Carrier frequency 913.5 – 914.5 MHz

Channel Ch1, Ch2

Modulation FM stereo

Frequency response 20 – 20,000 Hz

Headphones

Power source DC 3 V: 2 x R6 (size AA)

battery

Mass Approx. 270 g (9.5 oz.) inc.

batteries

Design and specifications are subject to

change without notice.

Transmitter

CH2CH1

Transmitter

POWER

/

( Operating the system

Listening to a

program

1 Select the radio frequency with the

CHANNEL selector switch.

Select the same channel on the

headphones and the transmitter.

2 Turn on the audio/video equipment

then the transmitter.

3 Put on the headphones and the

power turns on automatically.

4 Adjust the volume.

Note

If the transmitter is connected to the

headphones jack of the source equipment, set

the volume of that equipment as high as

possible without distorting the audio signal.

Auto power on/off function

When you remove the headphones, the

power turns off automatically. Do not

apply pressure to the left ear pad when

not using the headphones, otherwise the

headphones will be switched on.

Mute function

If a hissing noise is heard when the

headphones are used outside of the

effective range (see the next section), the

mute function will be activated and the

sound will not be heard from the

headphones. To restore the sound,

move near toward the transmitter.

After listening to a program

Take the headphones off before turning

off the transmitter. If you turn off the

transmitter first, you may hear some

noise.

( Additional information

Precautions

• When the headphones are not to be

used for a long period of time, remove

the batteries to avoid damage caused

by battery leakage and subsequent

corrosion.

• Do not leave the wireless stereo

headphone in a location subject to

direct sunlight, heat or moisture.

Notes on headphones

Preventing hearing damage

Avoid using headphones at high

volume. Hearing experts advise against

continuous, loud and extended play. If

you experience a ringing in your ears,

reduce the volume or discontinue use.

Caring for others

Keep the volume at a moderate level.

This will allow you to hear outside

sounds and to be considerate to the

people around you.

If you have any questions or problems

concerning the system that are not

covered in this manual, please consult

the nearest Sony dealer.

Be sure to bring the headphones and the

transmitter to the Sony dealer when

requiring repair work.

English

Note

This device complies with RSS-210 of

Industry Canada. Operation is subject

to the following two conditions: (1) this

device may not cause interference, and

(2) this device must accept any

interference, including interference that

may cause undesired operation of the

device.

]

}

]

Beoordeling

Meer over deze handleiding

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