General - Sony MDR-NC500D Servise Manual

MDR-NC500D
When the rechargeable
Features
battery is low
(US and Tourist models )
When the rechargeable battery is low, short beeps
• Digital noise canceling headphones
sound from the unit for 8 seconds and the
with Sony's unique DNC Software
POWER indicator blinks slowly.
Engine.
When the battery level is getting lower, a long
Creation of a high-precision canceling signal
beep sounds from the unit for 2 seconds and the
delivers outstanding noise canceling POWER indicator blinks quickly, and all
performance.
operations are stopped. Move the POWER switch
to "OFF" in this case.
• AI (Artificial Intelligence) Noise
Canceling function.
Automatic selection of the optimal noise
When the battery runs out, you can supply the power to
canceling mode based on intelligent analysis of
the headphones in one of the following ways:
environmental ambient noise.
• Connect the headphones to the AC power adaptor by
• Digital equalizer delivers ideal frequency following the steps shown in "Charge the
headphones."
response and high-quality music
You can use the headphones while charging.
reproduction.
• Use the supplied connecting cord with battery case.
See "How to use the connecting cord with battery
• High S/N ratio achieved through digital
case" for details.
signal processing.
• Lightweight design creates extremely
Using your AC power
comfortable wearing fit.
adaptor abroad
Generous use of lightweight materials such as
Magnesium and A7075 aluminum alloy. You can use your AC power adaptor in any
country or area that uses 100 V to 240 V AC,
• Pressure relieving urethane cushion in
50/60 Hz, by connecting a plug adaptor. If the
the earpad.
country you visit employs a different shaped
The earpad structure provides comfort without
socket, use the correct plug adaptor.
stress even after extended use.
Consult your nearest travel bureau for the type of
• Built-in monitor function lets you
plug adaptor needed for your trip.
silence the audio to listen outside.
Listening to music
Features
(Except US and Tourist models )
1
• Digital noise canceling headphones with
Sony's unique DNC Software Engine.
Reduces approx. 99% of ambient noise by
creating a high-precision canceling signal.
• AI (Artificial Intelligence) Noise
Canceling function.
Automatic selection of the optimal noise
canceling mode based on intelligent analysis of
environmental ambient noise.
• Digital equalizer delivers ideal
frequency response and high-quality
music reproduction.
• High S/N ratio achieved through digital
signal processing.
• Lightweight design for extremely
comfortable wearing.
Generous use of lightweight materials such as
Magnesium and A7075 aluminum alloy.
• Pressure relieving urethane cushion in
the earpad.
The earpad structure provides comfort without
stress even after extended use.
Notes
• Built-in monitor function lets you
• When connecting the cord, insert the plug into the
silence the audio to hear externally.
Charge the headphones
The headphones contains a rechargeable Lithium-
• To disconnect the cord, pull it out by the plug, not
Ion battery. Charge the battery before use.
Connect the supplied AC power adaptor to the DC
2
IN 6V jack on the headphones and an AC outlet.
The charge indicator lights up in orange and
charging starts.
Headphones
To an AC outlet
AC power
To DC IN
adaptor
6V jack
3
(supplied)
Charge
indicator
Charging is completed after about three hours,
and the charge indicator goes out.
Disconnect the AC power adaptor after the
charging has finished.
4
4
SECTION 2
Utilizing the AI Noise
Canceling
1
Press the AI NC MODE button.
When you press the AI NC MODE button and
the POWER switch is set to "ON", sounds
come from the headphones to inform you that
the unit has started analyzing ambient sound
components (approx. 3 seconds).
During analysis, sound reproduction from the
Tips
unit is stopped and the POWER indicator
lights in pink.
When analysis is completed, the most
effective noise canceling mode is set
automatically, and sound reproduction from
the headphones starts.
AI Noise Canceling
AI Noise Canceling is a useful function that
automatically selects one of the noise canceling
modes. This function provides the most effective
noise canceling mode by immediately analyzing
ambient sound components when the AI NC
MODE button is pressed.
Tips
Connect the headphones to the AV
• When the power of the headphones is turned on,
equipment.
mode A is set. (See "Noise canceling mode types,"
for details about Mode A.)
Headphones
• Press the AI NC MODE button again to reset the
noise canceling mode if ambient noise has changed,
such as when you move outdoors from a room.
When connecting
to the stereo mini
jack of a To set the noise canceling mode
WALKMAN*, etc.
manually
You can set the noise canceling mode manually
(manual noise canceling).
1
Press and hold the AI NC MODE button
Connecting
cord 1.5 m
for more than one second.
(supplied)
Sounds (
inform you that manual noise canceling is set.
2
Press the AI NC MODE button
Connecting cord
repeatedly to change the mode type.
When connecting
0.5 m (supplied)
to the stereo mini The POWER indicator blinks pink and a
jack of the remote
beep(s) sound(s) from the headphones. After
control supplied
Remote
that, the noise canceling mode is set. The
with a WALKMAN,
control
etc.
number of POWER indicator blinks and the
* "WALKMAN" and "WALKMAN" logo are
beep sounds depends on the mode selected.
registered trademarks of Sony Corporation.
See "Noise canceling mode types."
Tips
• Mode A is selected when manual noise canceling is
jack until the green portion of the plug disappears.
activated.
• To change from manual noise canceling to AI Noise
Canceling, press and hold the AI NC MODE button
for more than one second. When you hear the sounds
(
Canceling, press the AI NC MODE button again.
Ambient analysis starts and the most effective noise
canceling mode is set automatically.
the cord, as the inner conductors may break.
Noise canceling mode types
Turn on the power on the right side of the
Mode names
headphones.
The POWER indicator lights up in blue, and a
A
short beep sounds from the unit.
B
C
POWER A:Noise mainly in an airplane is effectively reduced.
indicator
B: Noise mainly in a bus or a train is effectively
reduced.
POWER
C: Noise mainly found in an office environment (PC,
switch
copier, air ventilation, etc.) is effectively reduced.
Put on the headphones.
After confirming the cord on the left and the
POWER switch on the right, put on the
headphones.
Adjust the ear pads so as to cover your ears.
Tactile dot
(on the left)
Start playing on the AV equipment
connected to the headphones.
Note
Playback is not available when there is no
power.

GENERAL

Hearing environmental
sound for safety
If the MONITOR button is pressed and held while
the POWER switch is set to ON, playback silences
then you can hear the surrounding environment.
Monitor microphone
Note
Environmental sound might not be heard if the
microphone is covered with your fingers.
POWER
indicator
When using in an
airplane
AI NC MODE
button
• The supplied plug adaptor can be connected to
the dual or stereo mini jacks in an airplane.
for dual jacks
• Do not use the headphones when use of
electronic equipment is prohibited, or when use
of personal headphones for in-flight music
services are prohibited.
How to use the
connecting cord with
the battery case
You can continue to use the unit, even when the
rechargeable battery in the headphones runs out,
by connecting the supplied connecting cord with
battery case.
Use the connecting cord with battery case by
inserting two size AA alkaline batteries.
) come from the headphones to
1
Open the lid of the battery case.
2
Insert two size AA alkaline batteries.
Make sure of direction, matching the
marks in the case with those on the batteries.
) to inform you of the change to AI Noise
3
Close the lid.
Number of POWER indicator
blinks (pink) and beep
sounds
1
2
3
4
Connect the supplied connecting cord
with the battery case to both the
headphones and AV equipment.
AV equipment
Notes
• When connecting the cord, insert the plug fully into the
jack so that the green sign on the metal parts cannot be
seen.
• When disconnecting the cord, pull it out by holding the
plug. If the cord is pulled forcibly the wire may break.
This section is extracted
from instruction manual.
5
Set the POWER switch of the
headphones to "OFF," and then set the
POWER switch of the battery case to
"ON."
The POWER indicator on the battery case
lights up green.
POWER switch
POWER indicator
MONITOR
button
See steps 2 to 4 of "Listening to music" for
the following setting steps.
After use, set the POWER switch of both the
headphones and the battery case to "OFF."
Tips
• The power supply of the rechargeable battery is
consumed first, unless the battery runs out.
• If you connect and turn on the connecting cord with
the battery case in advance when the rechargeable
battery is low, you can use the headphones
uninterrupted, even after the battery in the
headphones runs out.
Notes
• The use of manganese batteries is not recommended,
since this type of battery has an extremely short
usage time.
• The battery case supplies the power to the
headphones for operation purposes only. It does not
charge the internal rechargeable battery in the
headphones.
• The POWER indicator of the battery case becomes
dim when the battery life is reaching the limit.
for stereo mini jacks
Replace the battery with new ones at the time.
• The supplied connecting cord with battery case is
only for these headphones. Do not connect to other
equipment.
After use
Turn off the power of the headphones.
Flat Storage
he housings rotate to make them flat for easy
storage in the carrying case (supplied), or in a seat
pocket. Restore to their usual position before using.
Putting the headphones
in the carrying case
Rotate the housings to be flat before putting them
in the carrying case.
T
Headphones
Connecting cord with
battery case (supplied)