Sony WH-RF400 Operating Instructions

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