Sony MDR-RF940RK Operating Instructions

Wireless Stereo
Headphone System
Operating Instructions
MDR-RF940RK
Sony Corporation © 1996 Printed in Japan
WARNING Welcome!
To prevent fire or shock hazard, Thank you for purchasing the Sony
do not expose the unit to rain or MDR-RF940RK Wireless Stereo
moisture. Headphone System. Before operating
the unit, please read this manual
To avoid electrical shock, do not
thoroughly and retain it for future
open the cabinet. Refer servicing
reference.
to qualified personnel only.
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.
( Getting started
3-858-839-41(1)
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.
Transmitter
to an AC
outlet
To DC IN
4.5V jack
AC power
adaptor
(supplied)
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,
@@@@@
Notes
• Use only the supplied rechargeable batteries NC-
Setting up the
AA (HJ).
• You cannot recharge other R6 (size AA)
headphones
rechargeable batteries (NC-AA etc.) with this
unit.
• Use only the supplied AC power adaptor. Do 1
Open the battery compartment lid
not use any other AC power adaptor.
on the left inner side of the head
band.
Polarity of the plug
Setting up the
transmitter
1
2
Connect the transmitter to audio/
Insert two charged NC-AA (HJ)
video equipment.
batteries by matching the + and – on
the batteries to the + and – in the
a To connect to a headphones jack
battery compartment.
Transmitter
to headphones jack
(stereo mini jack)
3
Close the battery compartment lid.
Discman,
Walkman, TV,
VCR, etc.
b To connect to LINE OUT or REC OUT
jacks
To recharge the headphones' batteries
after use
To charge the batteries, follow steps in
Transmitter
"Charging the headphones' batteries."
Since little electric current is used for
charging, there is no need to worry
about overcharging.
Charging and using hours
Approx. charging
hours
00
00*
Connecting
* The hours required to fully charge empty
cord (supplied)
batteries
Left channel Right Using the headphones with a
(white) channel (red) commercially available R 6 (size AA)
dry batteries
to LINE OUT or
Install the battery in the manner as
REC OUT
described in "Setting up the
headphones."
Battery life
Stereo system,
Battery
TV, VCR, etc.
Sony alkaline battery LR6
(SG)
Sony battery R6P (SR)
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.
]
]
}
Approx. using
hours
00
00
Approx. hours
40
20
3-858-839-11 (1)