Wireless Stereo
Headphone System
©2018 Sony Corporation Printed in Vietnam
4-743-807-11(1)
WH-RF400
Operating Instructions
Stereo mini plug
Stereo mini cable
Headphone jack
(Stereo mini jack)
TV, Digital music player, etc.
WARNING
To reduce the risk of fire or electric shock, do not
expose this apparatus to rain or moisture.
To reduce the risk of fire or electric shock, do not expose
this apparatus to dripping or splashing, and do not place
objects filled with liquids, such as vases, on the apparatus.
Do not expose the batteries (battery pack or batteries
installed) to excessive heat such as sunshine, fire or the
like for a long time.
To avoid electrical shock, do not open the cabinet. Refer
servicing to qualified personnel only.
Do not install the appliance in a confined space, such as a
bookcase or built-in cabinet.
The AC Adaptor is not disconnected from the mains as
long as it is connected to the AC outlet, even if the unit
itself has been turned off.
As the main plug of AC power adaptor is used to
disconnect the AC power adaptor from the mains, connect
it to an easily accessible AC outlet. Should you notice an
abnormality in it, disconnect it from the AC outlet
immediately.
Excessive sound pressure from earphones and
headphones can cause hearing loss.
The nameplate of transmitter is located on the bottom
exterior.
The nameplate of the headphones is located on the back
side of the slider.
Information
You are cautioned that any changes or modifications not
expressly approved in this manual could void your
authority to operate this equipment.
If you have any questions about this product:
Visit: www.sony.com/
Contact: Sony Customer Information Service Center at
1-800-222-7669
Write: Sony Customer Information Service Center 12451
Gateway Blvd., Fort Myers, FL 33913
Declaration of Conformity
Trade Name:SONY
Model No.:WH-RF400R
Responsible Party:Sony Electronics Inc.
Address:16535 Via Esprillo, San Diego, CA 92127 U.S.A
Telephone Number:858-942-2230
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2)
this device must accept any interference received,
including interference that may cause undesired
operation.
Note
This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions,
may cause harmful interference to radio communications.
However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception,
which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and
receiver.
– Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
– Consult the dealer or an experienced radio/ TV
technician for help.
For the customers in Canada
This device complies with Industry Canada’s licence-
exempt RSSs. 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.
For the customers in the USA and
Canada
RECYCLING RECHARGEABLE BATTERIES
Rechargeable batteries are recyclable.
You can help preserve our environment by returning your
used rechargeable batteries to the collection and recycling
location nearest you.
For more information regarding recycling of rechargeable
batteries, visit http://www.sony.com/electronics/eco/
environmental-management
Caution: Do not handle damaged or leaking rechargeable
batteries.
Note on static electricity
Static electricity accumulated in the body may cause
mild tingling in your ears. To reduce the effect, wear
clothes made from natural materials, which suppress
the generation of static electricity.
This product has magnets which may interfere with
pacemakers, defibrillators and programmable shunt
valves or other medical devices. Do not put this product
close to these medical devices and the person who use
any of these medical devices. Consult your doctor before
using this product, if you have any concerns.
How to use
Connect the AC adaptor. Charge the headphones.
(Red) (Off)
Complete when indicator
turns off.
Check the CHARGE/
RED indicator lights
up red.
Connect the A/V component, following hookup or below.
Using the headphone jack of the A/V component
To AC
outlet
AC adaptor
Adjust the volume.
After use
Turn off the power of the headphones.
About sending RF signals
The transmitter starts sending RF signals
automatically when it detects an audio signal from
the connected component. Note that;
– Noise may occur depending on the transmitter
position and room conditions. It is recommended
to place the transmitter in a location that
produces the clearest sound.
– If the transmitter is placed on a metallic table,
you may hear noise, or the reception range may
decrease. Do not place on a metallic table.
If no signal or low signal is
input for about 4 minutes
When no signal is input for about 4 minutes, the
transmitter turns off automatically*. The POWER
indicator of the transmitter blinks for 4 minites,
then turns off. The transmitter restarts after
receiving an audio signal again.
The transmitter may also turn off if low signal is
input for about 4 minutes. In this case, raise the
volume of the connected A/V component within
the range where the sound is not distorted, then
lower the volume of the headphones.
* If signal noise is output from the connected A/V
component, the transmitter may not turn off,
even when no audio signal is input.
Start playback of the A/V component.Wear the headphones.
Before listening
To reduce the risk of hearing damage, first lower the volume.
Tactile dot
Up Down
Tactile dot
Using the audio out (L/R) jacks of the A/V component
If the sound is distorted by connecting the transmitter to the A/V component’s audio out (L/R) jacks, reconnect the transmitter to the headphone jack.
If the transmitter detects no signal or no sound, check the connection of the connected A/V components, then check the audio setting of the connected A/V components.
Charging is possible regardless of the direction of the headphones.
Insert the supplied rechargeable battery BP-HP800-11 into the left housing of the headphones.
Observe the correct polarity when installing battery.
Rechargeable nickel-metal hydride
battery BP-HP800-11 (supplied)
Insert the
end first.
Checking the included
items
RF stereo transmitter
TMR-RF400 (1)
AC adaptor (1)
Plug adaptor (stereo mini
plug phono plugs) (1)
Wireless stereo
headphones WH-RF400R
(1)
Stereo mini cable (stereo
mini plug), 1.5 m (1)
Rechargeable nickel-metal
hydride battery BP-
HP800-11 (1)
Features
Thank you for purchasing the Sony WH-RF400 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 the restriction of a cable
– Up to 45 meters (150 feet) reception range*
– High fidelity sound reproduction
– New mode “VOICE” for clear hearing of personal voice
range
– Noise reduction system to reproduce a clear sound with
minimum transmission noise
– Comfortable fit
– Smooth and Comfortable Earpads
– Long playback time (maximum 20 hours)
– Easy recharging function with secure charging
mechanism
– Rechargeable Battery
– Automatic tuning on headphones for optimum signal
reception
– 3 transmission channels available
– Volume control function and sound effect function on
the headphones
* Transmission distance varies depending on conditions of
use
(Green)
L (white)
R (red)
Stereo mini plug
Audio out
(L/R) jacks
Stereo system, Blu-ray Disc player, DVD player, TV*, etc.
* In case of no headphone jack.
Stereo mini cable Plug adaptor (stereo
mini plug phono plugs)
4
2 3
7
5 6
1
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