Handleiding Sony MDR-RF915RK Koptelefoon

Handleiding

DC IN 9V

OFF ON

FILTERNOISE

123

CHANNEL

RBAL

AUDIO IN

DC IN 9V

OFF ON

FILTERNOISE

123

CHANNEL

RBAL

AUDIO IN

RECYCLING NICKEL-CADMIUM BATTERIES

Nickel-Cadmium batteries

are recyclable. You can help

preserve our environment by

returning your unwanted

batteries to your nearest

point for collection, recycling

or proper disposal.

Note: In some areas the disposal of nickel-

cadmium batteries in household or

business trash may be prohibited.

RBRC (Rechargeable Battery Recycling

Corporation) advises you about spent battery

collection by the following phone number.

Call toll free number: 1-800-822-8837 (United

States and Canada only)

Caution: Do not handle damaged or leaking

nickel-cadmium batteries.

To recharge the headphone battery after

use

Since little electric current is used for charging,

there is no need to worry about overcharging.

Charging and using hours

* at 1 kHz, 1 mW + 1 mW output

** The hours required to fully charge empty battery

N Operating the system

Listening to a program

1 First turn on the audio/video equipment

and start playing.

2 Remove the headphones from the

transmitter.

The transmitter’s power indicator will

light in red.

3 Select the radio frequency with the

CHANNEL selector.

4 When you put on the headphones the

headphone power turns on

automatically.

5-A Turn up the volume to a moderate

level with the VOL control.

Press the TUNING button briefly for

automatic tuning of the headphones.

If you do not receive a clear audio

signal, press it again.

A MDR-RF945RK

5-B Turn up the volume to a moderate

level with the VOL control, then tune

the headphones in to the frequency of

the transmitter with the TUNING

control until you can hear the audio

signal loud and clear.

B MDR-RF915RK

Try the above steps 3 and 5 until the

receiving performance becomes better.

C To connect to TV, etc.

If noise occurs when the transmitter is

connected to the headphone jack of your

TV or VCR, set the NOISE FILTER switch

to ON.

Notes

• If you connect the transmitter to LINE OUT or REC

OUT jack, do not set the NOISE FILTER switch to

ON. Otherwise, the volume will be limited.

• The NOISE FILTER switch effects the sound only in

cases such as connection diagram C. In diagrams A

and B, the switch has no effect.

• When the transmitter is placed on or near a TV, it

may pick up a noise. In such case, place the

transmitter away from the TV.

2 Connect the transmitter to an AC outlet

using the supplied AC power adaptor.

Notes

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

any other AC power adaptor.

Polarity of the plug

• When you connect the connecting cord directly to an

earphone jack, the audio signal will not be output

through the right channel. In such a case, use the

separately sold PC-236HG plug adaptor.

• If the connected equipment has the AVLS (Automatic

Volume Limiter System) function, be sure to turn the

function off when using the transmitter. Otherwise, you

will have to turn up the volume of the headphones, and

that may cause noise.

• Do not place the transmitter near a fluorescent lamp, etc.

when using the system.

* WALKMAN is a registered trademark of Sony

Corporation.

Charging the

headphone battery

Using the headphones for the first

time

When you use the headphones for the first time,

charge the battery in the following manner.

1 Connect the transmitter to a power

source.

2 Place the headphones on the transmitter.

Place the headphone on the transmitter such that

the charging pins on the transmitter engage the

charging contacts on the bottom of the right-hand

housing.

The charge indicator on the transmitter will light

in green to indicate that the battery is being

charged.

Setting up the

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 headphones jack

B To connect to LINE OUT or REC OUT

jacks

DC IN 9V

OFF ON

FILTERNOISE

123

CHANNEL

RBAL

AUDIO IN

Operating Instructions

Mode d’emploi

Wireless Stereo

Headphone System

Sony Corporation © 2001 Printed in Korea

MDR-RF945RK

MDR-RF915RK

3-233-607-21(1)

Sending RF signals from the Transmitter

The transmitter starts sending the RF signals

automatically, when it detects audio signals from

the equipment connected.

If it does not detect an audio signal for more than

approximately four minutes, the transmitter will

stop sending RF signals, and the power indicator

turns off.

When the transmitter receives an audio signal

again, it starts sending the RF signals, and the

power indicator will light in red again.

If the audio signal is very weak, the transmitter

does not send RF signals. If the transmitter is

connected to a headphone jack, make sure the

volume of the equipment connected is set to 5 – 6

or higher.

You may not hear the beginning of the sound from

the headphones until the transmitter starts sending

the RF signals after detecting an audio signal.

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 from your

head, the power turns off automatically. Do not

allow the self adjusting band to be pulled up,

otherwise the headphones will be switched on.

The power turns on.

Note

If a hissing noise is heard move closer to the transmitter.

After listening to a program

Take the headphones off and rest them away on

the transmitter, and recharge them.

Note

Do not hang the headphones by the self adjusting band,

otherwise, the self adjusting band will be pulled up and

the headphones will be switched on.

The effective areas of

the transmitter

The optimum distance is up to approximately 150

feet (46 m) 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 spot) where the RF signal can not be

received. This is a characteristic inherent to RF signals,

and does not indicate malfunction. By slightly moving

the transmitter, location of the dead spot can be

changed.

Transmitter

Left channel

(white)

Right channel

(red)

Unimatch plug

adaptor

(supplied)

Discman, MD,

WALKMAN*, VCR,

etc.

to headphones

jack (stereo

mini jack)

Connecting cord

(supplied)

to AUDIO IN

A jacks

to headphones

jack (stereo

phone jack)

TV, etc.

to stereo mini jack

Transmitter

to AUDIO IN

A jack

Left channel

(white)

Right channel

(red)

Connecting cord

(supplied)

Transmitter

to AUDIO IN

B jack

Connecting cord

(supplied)

Right channel

(red)

Left channel

(white)

to LINE OUT or REC

OUT jacks

Stereo system, VCR, etc.

No sound/Muffled sound

, 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.

, MDR-RF915RK:

Change the radio frequency with the CHANNEL

selector on the transmitter, then tune the

headphones with the TUNING control.

MDR-RF945RK:

Change the radio frequency with the CHANNEL

selector on the transmitter, then press the

TUNING button again.

, The mute function is activated.

Use the headphones near the transmitter.

, The headphones’ POWER indicator light is weak

or turned off.

•Charge the built-in rechargeable battery or if the

POWER indicator is still off after charging the

built-in rechargeable battery, take the

headphones to a Sony dealer for replacement of

the rechargeable battery.

, If you connect the transmitter to the LINE OUT or

REC OUT jack of an audio reproducer, make sure

that the NOISE FILTER switch is set to OFF.

, Make sure that the NOISE FILTER switch is set to

either ON or OFF (If the switch gets stuck

between ON and OFF, the sound will be cut off).

Distortion

, If the transmitter is connected to the headphones

jack, turn down the volume of the connected

audio/video equipment.

, Change the radio frequency with the CHANNEL

selector on the transmitter.

, The headphones’ POWER indicator light is weak

or turned off.

•Charge the built-in rechargeable battery or if the

POWER indicator is still off after charging the

built-in rechargeable battery, take the

headphones to a Sony dealer for replacement of

the rechargeable battery.

, If you connect the transmitter to LINE OUT or

REC OUT jack of an audio reproducer, make sure

that the NOISE FILTER switch is set to OFF.

Loud background noise

, 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.

, MDR-RF915RK:

Change the radio frequency with the CHANNEL

selector on the transmitter, then tune the

headphones with the TUNING control.

MDR-RF945RK:

Change the radio frequency with the CHANNEL

selector on the transmitter, then press the

TUNING button again.

, The headphones’ POWER indicator light is weak

or turned off.

•Charge the built-in rechargeable battery or if the

POWER indicator is still off after charging the

built-in rechargeable battery, take the

headphone to a Sony dealer for replacement of

the rechargeable battery.

, If you connect the transmitter to the LINE OUT or

REC OUT jack of an audio reproducer, make sure

that the NOISE FILTER switch is set to OFF.

Specifications

General

Carrier frequency

913.5 – 914.5 MHz

Channel Ch1, Ch2, Ch3

Modulation FM stereo

Frequency response

20 – 20,000 Hz

Transmitter TMR-RF945R, TMR-RF915R

Power source DC 9 V: supplied AC power adaptor

Audio input phono jacks/stereo mini jack

Dimensions Approx. 150 mm dia. × 108 mm

(6 × 4

1

/

3

in.) (w/h)

Mass Approx. 190 g (6.7 oz.)

Headphones MDR-RF945R, MDR-RF915R

Power source DC 2.4 V: Built-in rechargeable

battery

Mass Approx. 240 g (8.5 oz.) incl.

built-in rechargeable battery

Built-in Ni-Cd rechargeable battery

Model name NC-AA

Voltage 1.2 V

Capacity 700 mAh

Optional accessory

Plug adaptor PC-236HG (stereo mini jack y

monaural mini plug)

Design and specifications are subject to change without

notice.

Troubleshooting

Welcome!

Thank you for purchasing the Sony

MDR-RF945RK/RF915RK 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 Supra-aural headphones with self

adjusting head band

• Automatic ON/OFF function on headphones to

preserve battery power

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.

to an AC outlet

To DC IN

9 V jack

AC power adaptor

(supplied)

Transmitter

123

CHANNEL

TUNING

button

VOL control

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 driver unit

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.

N Additional information

Precautions

• When the transmitter is not to be used for a long

period of time, disconnect the AC power

adaptor from the AC outlet holding the plug. Do

not pull on the cord.

• Do not leave the wireless stereo headphone

system 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.

Disposing of the headphones

Be sure to remove the built-in rechargeable

batteries from the headphones before you

dispose of the headphones.

First remove the left headphone’s ear pad.

You will see six screws. Remove the six screws

and open the housing.

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.

TUNING

control

VOL control

N Getting started

Unpacking

Check that you have the following items:

• The headphones

• The transmitter

• AC power adaptor

• Unimatch plug adaptor (stereo mini jack t

stereo phone plug)

• Connecting cord (phono plugs y stereo mini

plug), 1 m

Approx. charging

hours

1

24**

Approx. using time*

MDR-

RF945RK

50 minutes

20 hours

MDR-

RF915RK

55 minutes

23 hours

Meer over deze handleiding

We begrijpen dat het prettig is om een papieren handleiding te hebben voor je Sony MDR-RF915RK Koptelefoon. Je kunt de handleiding bij ons altijd downloaden en daarna zelf printen. Indien je graag een originele handleiding wilt hebben, raden we je aan contact op te nemen met Sony. Zij kunnen wellicht nog voorzien in een originele handleiding. Zoek je de handleiding van Sony MDR-RF915RK Koptelefoon in een andere taal? Kies op de homepage je taal naar keuze en zoek daarna op het modelnummer om te zien of we deze beschikbaar hebben.

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