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Manual Sony MDR-RF940RK Headphone

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Manual

3-858-839-11 (1)

Notes

•Use only the supplied rechargeable batteries NC-

AA (HJ).

•You cannot recharge other R6 (size AA)

rechargeable batteries (NC-AA etc.) with this

unit.

•Use only the supplied AC power adaptor. Do

not use any other AC power adaptor.

Setting up the

transmitter

1 Connect the transmitter to audio/

video equipment.

a To connect to a headphones jack

b To connect to LINE OUT or REC OUT

jacks

WARNING

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.

( Getting started

Unpacking

Check that you have the following

items:

• The transmitter

• AC power adaptor

• Connecting cord (phono plugs ˜

stereo mini jack)

• The headphones

• Ni-Cd rechargeable batteries NC-AA

(HJ)

<ill.>

Charging the

headphones’

batteries

1 Open the battery compartment lid

on the bottom of the transmitter.

2 Insert two NC-AA (HJ) batteries by

matching the + and - on the batteries

to the + and - in the battery

compartment.

3 Close the battery compartment.

4 Connect the transmitter to a power

source.

5 Set the OFF/CHG/POWER ON

switch to OFF/CHG.

The OFF/CHG indicator lights up in

green and charging starts.

When the charging complete,

@@@@@

Operating Instructions

Wireless Stereo

Headphone System

MDR-RF940RK

3-858-839-41(1)

Setting up the

headphones

1 Open the battery compartment lid

on the left inner side of the head

band.

2 Insert two charged NC-AA (HJ)

batteries by matching the + and – on

the batteries to the + and – in the

battery compartment.

]

}

]

3 Close the battery compartment lid.

To recharge the headphones’ batteries

after use

To charge the batteries, follow steps in

“Charging the headphones’ batteries.”

Since little electric current is used for

charging, there is no need to worry

about overcharging.

Charging and using hours

* The hours required to fully charge empty

batteries

Using the headphones with a

commercially available R 6 (size AA)

dry batteries

Install the battery in the manner as

described in “Setting up the

headphones.”

Battery life

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.

When to replace the batteries

When the POWER indicator dims, and a

hissing noise increases charge the NC-

AA (HJ) batteries or replace both

batteries with new ones.

Transmitter

to an AC

outlet

To DC IN

4.5V jack

AC power

adaptor

(supplied)

Approx. charging

hours

00*

Approx. using

hours

Approx. hours

Battery

Sony alkaline battery LR6

(SG)

Sony battery R6P (SR)

Welcome!

Thank you for purchasing the Sony

MDR-RF940RK 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 within 130 feet

from the transmitter.

• High fidelity sound reproduction

• Compact transmitter which operates

on AC power supplied through the

supplied AC power adaptor and allso

functions as a buttery charger

• 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.

Polarity of the plug

to headphones jack

(stereo mini jack)

Discman,

Walkman, TV,

VCR, etc.

Transmitter

Connecting

cord (supplied)

to LINE OUT or

REC OUT

Right

channel (red)

Left channel

(white)

Transmitter

Stereo system,

TV, VCR, etc.

Rating

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More about this manual

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Specifications

Brand	Sony
Model	MDR-RF940RK
Category	Headphones
File type	PDF
File size	0.13 MB

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Frequently Asked Questions about Sony MDR-RF940RK Headphone

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When I connect a headphone to my device it doesn't work properly, what can I do? Verified

It is possible that dirt has amassed in the opening where the headphone is connected, preventing it from making proper contact. The best way to clean this is with compressed air. When in doubt, have this done by a professional.

This was helpful (1079) Read more

When is my music too loud? Verified

Sounds over 80 decibel (dB) can start to damage hearing. Sounds over 120 dB immediately damage hearing. The severity of the damage depens on how often and how long the sound is present.

This was helpful (1005) Read more

What is Noise Cancelling? Verified

Noise Canceling is a technique that is mainly used in headphones. Active noise control is used to lower or eliminate the influence of ambient noise.

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Does bluetooth work through walls and ceilings? Verified

A bluetooth signal will work through walls and ceiling, unless these are made from metal. Depending on the thickness and the material of the wall the signal can lose in strength.

This was helpful (232) Read more

Up to what noise level is it safe for children? Verified

Children get their hearing damaged quicker than adults. Therefore it is important to never expose children to noise louder than 85dB. In the case of headphones there are special models for children. In case of speakers or other situations you have to be watchful the noise does not exceed that level.

This was helpful (163) Read more