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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
Sony Corporation © 1996 Printed in Japan
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.
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]
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
00*
Approx. using
hours
00
00
Approx. hours
40
20
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.