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Tips for charging
Charge supplied battery first
The supplied rechargeable nickel-metal hydride battery is
not charged from the first time you use it. Be sure to
charge them before use.
About auto charge function
Placing the headphones on the transmitter automatically
turns them off, then charging starts. This eliminates the
need for turning on/off every time you wear and take off
the headphones.
If CHARGE/RED indicator does not
light up red
– Check if the right and left headphones are rested on the
transmitter correctly. Take off the headphones and place
them on the transmitter again so that the headphones’
contact points meet the transmitter’s contact pins.
– Charging may not be completed if the transmitter’s
contact pin and headphones’ contact point are dusty.
Wipe them with a cotton bud, etc.
Charging and usage time
Approx. charging time Maximum usage time
1)
7 hours
2)
20 hours
3)
1) at 1 kHz, 0.1 mW + 0.1 mW output
2) hours required to fully charge an empty battery
3) Time may vary, depending on the temperature or
conditions of use.
To recharge supplied battery after
use
Place the headphones on the transmitter after use. The
CHARGE/RED indicator lights up red, then charging starts.
When charging is complete, there is no need to remove
the headphones from the transmitter.
Remaining battery
To check the remaining battery charge of the headphones,
turn on the POWER switch and check the POWER indicator.
The battery is still serviceable when the indicator lights up
green.
Charge the headphones if the POWER indicator turns off,
dims, flashes, or the sound becomes distorted or noisy.
Notes
– Insert the AC adaptor plug firmly.
– Be sure to use the supplied AC adaptor. Using AC
adaptors with different plug polarity or other
characteristics can cause product failure.
Unified
polarity plug
– The battery capacity may decrease if the headphones
are turned on and placed on the transmitter with the AC
adaptor disconnected.
– The transmitter automatically turns off while charging
the headphones.
– This system is designed to charge only the supplied
rechargeable battery BP-HP800-11 for safety. Note that
other types of rechargeable battery cannot be charged
with this system.
– If dry batteries are installed, they cannot be charged.
– Do not attempt to use the supplied rechargeable battery
BP-HP800-11 for other components. It is for use with this
system only.
– Charge in an environmental temperature of between
5°C and 35°C (between 41°F and 95°F).
– When the battery life reduces to half, this may be the
end of battery lifetime. The supplied rechargeable
battery BP-HP800-11 is not commercially available. You
can order the battery from the store where you
purchased this system, or at your nearest Sony dealer.
– Do not touch the contact pins of the transmitter. If the
contact pins become dirty, charging may not be
possible.
– Charging may not be completed if the transmitter’s
contact pins and headphones’ contact points are dusty.
Wipe them with a cotton bud, etc.
Using the headphones
with separately-sold dry
batteries
Commercially available (LR03 (size AAA)) dry batteries can
also be used to power the headphones. Install two
batteries in the same manner as described in step 1 of
“How to use.”
If you attempt to charge the headphones with dry
batteries installed, the CHARGE/RED indicator lights up
red for 15 seconds, then turns off. The battery charge
function is not activated.
Battery life
Battery Approx. usage time
1)
Sony alkaline battery LR03
(size AAA)
24 hours
2)
1) at 1 kHz, 0.1 mW + 0.1 mW output
2) Time may vary, depending on the temperature or
conditions of use.
Note
Do not carry a dry battery together with coins or other
metallic objects. It can generate heat if the positive and
negative terminals of the battery are accidentally come
into contact with metallic objects.
Tips for connection
– When you connect the stereo mini cable (stereo mini
jack) directly to an earphone jack (monaural mini jack),
the audio signal may not be output through the right
channel.
Tips for volume setting
– If you connect the transmitter to the headphone jack of
the A/V component, set the volume of the A/V
component as high as possible but not so high that the
audio signal becomes distorted.
– When watching videos, be careful not to raise the
volume too high in quiet scenes. You may hurt your ears
when a loud scene is played.
Tips for sound effect
Slide the switch to select the desired sound effect, OFF or
VOICE.
Position of
switch
Sound effect and suitable sound
source
OFF
Normal playback of the
headphones.
VOICE
Produces a clearer announcer’s
voice.
Notes
– The volume of the headphones may vary, depending on
the input signal and the setting of the EFFECT switch.
– The sound effect may not be obtained depending on
the input sound sources.
Tips for better reception
Receiving performance
This system utilizes very high frequency signals in the 900
MHz band so the receiving performance may deteriorate
due to the surroundings. The following examples illustrate
conditions that may reduce the reception range or cause
interference.
– Inside a building with walls containing steel beams
– An area with many steel file cabinets, etc.
– An area with many electrical appliances capable of
generating electromagnetic fields
– The transmitter is placed on a metal instrument.
– An area facing a roadway
– Noise or interfering signals exist in the surroundings due
to radio transceivers in trucks, etc.
– Noise or interfering signals exist in the surroundings
owing to wireless communication systems installed
along roadways.
Effective area of the transmitter
The optimum distance is up to approximately 45 m (150 ft)
without the system picking up some interference.
However, the distance may vary depending on the
surroundings and environment.
– If the system picks up some noise within the above
mentioned distance, reduce the distance between the
transmitter and the headphones, or select another
channel.
– When you use the headphones inside the effective area
of the transmitter, the transmitter can be placed in any
direction from the listener.
– Even within the signal reception area, there are some
spots (dead spots) where the RF signal cannot be
received. This characteristic is inherent to RF signals, and
does not indicate malfunction. By slightly moving the
transmitter, location of the dead spot can be changed.
Replacing the earpads
The earpads are replaceable. If the earpads become dirty
or worn out, replace them as illustrated below. The
earpads are not commercially available. You can order
replacements from the store where you purchased this
system, or at your nearest Sony dealer.
1 Remove the old earpad by pulling it out of the groove
on the housing.
2 Fit the new earpad in the groove of the housing.
Make sure the earpad is set to the vertical position.
Precautions
– When this system is not to be used for a long period of
time, disconnect the AC adaptor from the AC outlet
holding the plug, and remove the battery from the
headphones to avoid damage caused by battery
leakage and subsequent corrosion.
– Do not leave this system in a location subject to direct
sunlight, heat or moisture.
– You may hear some noise when you disconnect the AC
adaptor from the transmitter before taking off the
headphones.
– Avoid exposure to temperature extremes, direct sunlight,
moisture, sand, dust or mechanical shock.
– Please note that water does not splash, this product is
not waterproof specification.
Notes on headphones
To reduce the risk of hearing damage
Avoid using headphones at high volume. Hearing experts
advise against continuous, loud and extended play. If you
experience a ringing in your ears, lower the volume or
discontinue use.
Caring for others
Keep the volume at a moderate level. This will allow you
to hear outside sounds and to be considerate to the
people around you.
If you have any questions or problems concerning the
system that are not covered in this manual, please consult
your nearest Sony dealer.
Be sure to bring the headphones and the transmitter to
the Sony dealer when requiring repair work.
Troubleshooting
If you run into any problems using this system, use the
following checklist. Should any problem persist, consult
your nearest Sony dealer.
No sound/Low sound
– Check the connection of the A/V component or the AC
adaptor.
– Check that the A/V component is turned on.
– If you connect the transmitter to an A/V component
using the headphone jack, raise the volume level on the
connected A/V component within the range where the
sound is not distorted.
– Change the radio frequency with the CHANNEL selector
on the transmitter, then change the radio frequency to
that of the transmitter with the AUTO TUNING button on
the headphones.
– Use the headphones near the transmitter, or change the
position of the transmitter.
– Charge the supplied rechargeable battery, or replace dry
batteries with new ones. If the POWER indicator is still
off after charging, take the headphones to a Sony dealer.
– Raise the headphone volume.
If you cannot receive a clear audio signal
First change the radio frequency with the CHANNEL selector switch on the
transmitter, then briefly press the AUTO TUNING button on the headphones.
Noise Reduction process
The transmitter compresses the audio signal and converts it to RF signal. The
headphones convert the received RF signal to an audio signal and decompresses it. This
process reduces noise picked up during transmission.
input signal
output signal
decompression
compression
dynamic range
Transmitter unit Headphones unit
RF transmission
noise level (low)
1 5
2 3 4
The transmitter compresses the audio signals dynamic range, then converts it to RF
signal.
Noise may occur due to long distance transmission, etc.
The headphones convert the RF signal to an audio signal.
Noise may occur during conversion.
Decompression of the audio signals dynamic range reduces the noise level and
improves the S/N (signal-to-noise) ratio.
The sound cuts off
– The transmitter turns off if no signal or low signal is
input for 4 minutes. If you connect the transmitter to an
A/V component using the headphone jack, raise the
volume level on the connected A/V component within
the range where the sound is not distorted.
Distorted or intermittent sound
(sometimes with noise)
– Use the headphones near the transmitter, or change the
position of the transmitter.
– Do not place the transmitter on a metallic table.
– If you connect the transmitter to an A/V component
using the headphone jack, lower the volume level on the
connected A/V component within the range where the
sound is not distorted.
– Change the radio frequency with the CHANNEL selector
on the transmitter, then change the radio frequency to
that of the transmitter with the AUTO TUNING button on
the headphones.
– Charge the supplied rechargeable battery, or replace dry
batteries with new ones. If the POWER indicator is still
off after charging, take the headphones to a Sony dealer.
Loud background noise
– If you connect the transmitter to an A/V component
using the headphone jack, raise the volume level on the
connected A/V component within the range where the
sound is not distorted.
– Charge the supplied rechargeable battery, or replace dry
batteries with new ones. If the POWER indicator is still
off after charging, take the headphones to a Sony dealer.
– Do not place the transmitter on a metallic table.
– Use the headphones near the transmitter.
The POWER/GREEN indicator flashes
green
– No signal or low signal is input. Start playback of the A/V
component, or raise the volume of the connected A/V
component within the range where the sound is not
distorted, otherwise the transmitter will turn off. If no
signal or low signal is input for about 4 minutes, the
transmitter turns off automatically.
Battery cannot be charged/
CHARGE/RED indicator flashes red,
or does not light up red
– Check that the right/left of the headphones and
transmitter correspond, and put the headphones on the
transmitter correctly.
– Install the supplied rechargeable nickel-metal hydride
battery. Dry batteries and rechargeable batteries other
than the supplied cannot be charged.
– If the CHARGE/RED indicator does not light up red even
though you put the headphones on the transmitter and
wait for a while, it may be the end of battery lifetime.
You can order the supplied rechargeable battery
BP-HP800-11 from the store where you purchased this
system, or at your nearest Sony dealer.
– Charging may not be completed if the transmitter’s
contact pin and headphones’ contact point are dusty.
Wipe them with a cotton bud, etc.
Short usage time (the supplied
rechargeable battery)
– Clean the + and - terminal of the supplied rechargeable
battery and the charging terminal of transmitter/
headphone with a dry cloth.
– Recharge the supplied rechargeable battery after the
fully discharged.
Specifications
RF stereo transmitter (TMR-RF400)
Modulation FM stereo
Carrier frequency 915.5 MHz, 916.0 MHz, 916.5 MHz
Channel Ch1, Ch2, Ch3
Transmission distance
Approx. 45 m (150 ft) of longest
Audio inputs Stereo mini jack
Power requirements
DC 12 V (from the supplied AC adaptor)
Dimensions Approx. 130 mm × 273 mm × 160 mm
(5
1
/8 × 10
3
/4 × 6
3
/8 in) (w/h/d)
Mass Approx. 265 g (10 oz)
Rated power consumption
2.0 W
Operating temperature
5°C to 35°C (41°F to 95°F)
Wireless stereo headphones
(WH-RF400R)
Frequency response
10 Hz – 22,000 Hz
Power source Supplied rechargeable nickel-metal
hydride battery BP-HP800-11, or
commercially available (LR03 (size AAA))
dry batteries
Mass Approx. 275 g (10 oz)
Operating temperature
5°C to 35°C (41°F to 95°F)
Included items
RF stereo transmitter TMR-RF400
Wireless stereo headphones WH-RF400R
AC adaptor (12 V) (1)
Rechargeable nickel-metal hydride Battery BP-HP800-11
(1)
Stereo mini cable (stereo mini plug), 1.5 m (39
3
/8 in) (1)
Plug adaptor (stereo mini plug phono plugs) (1)
Design and specifications are subject to change without
notice.