Sony D-T401 User Manual

Page 2

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To resume playing from the point
you stopped the CD (Resume Play)

Normally, every time you stop and play,
playing starts from the beginning of the CD.
The resume play function, however, let you
listen to from the point at which you last
turned off the Discman.

Set RESUME to ON.

To cancel resume play, set RESUME to OFF.

Notes
• Even if RESUME is set to ON, playing starts

from the beginning when you open the lid.

• The resume point may be inaccurate by about

30 seconds.

To turn off the beep

You can turn off the beep that sounds as you
operate your Discman. (You cannot turn off the
beep that sounds during the radio operation.)

Disconnect the power source (AC power
adaptor, rechargeable battery or alkaline
batteries). While you press and hold down

p,

connect the power source again. To make the
beep sound again, disconnect the power source,
and then connect it without pressing

p.

Connecting to other
stereo equipment

You can listen to the CD through other stereo
equipment or record a CD on a cassette tape.
Refer to the instruction manual of the other
equipment for details. Before making
connections, turn off each piece of equipment.

Notes
• Before you play the CD, turn down the volume

of the connected equipment so as not to
damage the connected speakers.

• The beep sound is not output from the LINE

OUT jack.

• When you connect other equipment to the

LINE OUT jack, you cannot adjust the volume
by this unit.

• When you record a CD on a cassette tape using

a tape recorder that has the blank search
function, release the ESP function. If the ESP
function is on, the blank search function does
not work.

To improve broadcast reception

For FM, extend the headphones/earphones
cord.

For AM, reorient the Discman itself.

Note
• Keep the headphones/earphones connected to

the PHONES/REMOTE jack of the player even
when listening to the FM program through the
speakers connected to the LINE OUT jack of the
player. The headphones/earphones cord works
as the FM antenna.

When listening to the radio on dry
batteries or rechargeable battery

If you connect the external power source plug
to the DC IN 4.5 V jack of your Discman, the
radio station will change to the initial one
(default). Tune in the station again to
continue listening to it.

Presetting radio stations

You can store radio stations into the
Discman’s memory. You can preset up to 30
stations, 5 for each band (FM1, FM2, FM3,
FM4, FM5 and AM) in any order. Once you’ve
preset the stations, press one of the
1 - 5 buttons to tune in your favorite stations.

1

Tune in the station you want.

2

Hold down one of the 1 - 5 buttons that
you want to preset the new station on for
more than 2 seconds.
When the station is preset successfully,
the beep sounds and the indications
“PRESET” and M appear in the display.
The new station replaces the old one.

FM:

AM:

Playing preset radio stations

1 Press BAND to select the band.

2 Press the number button to tune in a stored

station.

To change the AM tuning
interval

When using the Discman abroad, change the
AM tuning interval, if necessary. Slide the
STEP switch (inside the lid) to “9 kHz” or
“10 kHz” using a pointed material.

9 kHz area: Asia and Europe
10 kHz area: the U.S.A., Canada and South
America

Notes
• The interval will not change until you once

turn off the radio and then turn it on again.

• After changing the tuning interval, you need to

preset radio stations again.

z

Power Sources

Using rechargeable
battery

Charge the rechargeable battery before using
it for the first time.
You can use either BP-DM10 or BP-DM20
rechargeable battery for this unit. You can use
them in the same way, but their charging time
and battery life are different. Check the model
number of your rechargeable battery, and use
it.

1

Set the CD/RADIO switch to “CD
(RADIO OFF).”

2

Open the lid of the battery compartment.

3

Insert the rechargeable battery so that the
word “SONY” is facing the same
direction as illustrated inside the lid, and
close the lid.

4

Connect the AC power adaptor.
The indications “CHG” and

light up.

Charge for about 2 hours (for BP-DM10)
or 3 hours (for BP-DM20).

5

When fully charged, “CHG” and
disappears. Disconnect the AC power
adaptor.

Playing a CD in a car

You can use your Discman in a car as
illustrated below.

To connect your Discman to a car cassette
deck, you need the following accessories:
• Car connecting pack CPA-9
• Car battery cord DCC-E245
or,
• Mount kit CPM-300PC (Mount plate + Car

connecting pack + Car battery cord)

or,
• Car battery cord with car connecting pack

DCC-E26CP

Refer to the instruction manual of each
accessory for details.

When you use the CPM-300PC mount
kit/CPM-300P mount plate

Attach the car mount adaptor supplied to the
CPM-300PC/300P before installing the
Discman.

Notes
• Do not put the Discman on the dashboard.
• Do not leave the Discman in a car parked

under sunlight.

• Use a Sony car connecting pack for reducing

noise.

Switched ignition function

With this feature, your Discman stops
automatically when you turn off the engine of
the car. (This function is not possible with
some cars depending on the model).

z

Radio operations

Listening to the radio

1

Set the CD/RADIO switch to “RADIO.”

2

Press BAND until the band you want
appears.
Each time you press the button, the
display changes: FM1 n FM2 n FM3 n
FM4 n FM5 n AM.

3

Press TUNING +/– to tune in the station
you want and adjust the volume.

To turn off the radio

Set the CD/RADIO switch to “CD (RADIO
OFF).”

Note
• When you do not listen to the radio, set the

CD/RADIO switch to “CD (RADIO OFF)” to
save the battery power.

To tune in the station quickly

Hold down TUNING +/– in step 3 until the
frequency digits begin to change in the
display. The Discman automatically scans the
radio frequencies and stops when it finds a
clear station.

(rear)

LINE IN or
REC IN

Stereo system,
cassette recorder,
radio cassette
recorder, etc.

Connecting cord
RK-G129HG

Left (white)

Right (red)

LINE OUT

to a wall outlet

DC IN 4.5 V

AC power adaptor

RESUME

ON

OFF

BAND

VOLUME

CD/RADIO

TUNING +/–

BAND

1 - 5

TUNING +/–

BAND

1 - 5

When to charge the battery

When the battery becomes weak,
indication appears in the display. If the
battery is used up, “

Lo batt” appears in

the display. Charge the rechargeable battery.
To keep the original battery capacity for a
long time, recharge the battery when the
battery is used up (discharged).

Notes
• Charging time varies depending on how the

rechargeable battery is used.

• If the battery is new or has not been used for a

long time, it may not be charged completely
until you charge and discharge it several times.

• If the battery life becomes shorter by about half,

replace it with Sony BP-DM10 or BP-DM20
rechargeable battery. Do not use any other
rechargeable battery (R6 type rechargeable
battery, etc.).

Using dry batteries

1

Open the lid of the battery compartment.

2

Insert two LR6 (size AA) alkaline
batteries by matching the

‘ and ’ to the

diagram inside the battery compartment
and close the lid.

When to replace the dry batteries

When the battery becomes weak,
indication appears in the display. If the
batteries are used up, “

Lo batt” appears in

the display.Replace all the batteries with new
ones.

Notes
• Do not charge the dry batteries.
• Do not mix new batteries with old ones.
• Do not use different types of batteries together.
• Do not use manganese batteries for this unit.
• When the batteries are not to be used for a long

time, remove them.

Battery life (approx. hours)

When using

ESP function Radio
off

on

on

BP-DM20

8

7

13

(charged for
about 3 hours*)

Two alkaline batteries 15

9.5

25

BP-DM10

3.5

3

6.5

(charged for
about 2 hours*)

(When the unit is used on a flat and stable place)
*Charging time varies depending on how the
rechargeable battery is used.

z

Additional Information

Precautions

On safety

• Should any solid objects or liquid fall into the

unit, unplug it and have it checked by qualified
personnel before operating it any further.

• Do not put any foreign objects in the DC IN

4.5 V (external power input) jack.

On power sources

• When you are not using the unit for a long

time, disconnect all power sources from the
unit.

• The nameplate indicating operating voltage,

power consumption, etc. is located at the
bottom of the AC power adaptor (for EA3
only.)

On the AC power adaptor

• Use only the supplied AC power adaptor. If

your unit is not supplied with it, use AC-
E45HG AC power adaptor. Do not use any
other AC power adaptor.

• To unplug the AC power adaptor from the wall

outlet, grasp the adaptor itself, do not pull its
cord.

On dry and rechargeable batteries

• Do not throw the batteries into fire.
• Do not carry the rechargeable battery with

coins or other metallic objects. It can generate
heat if the positive and negative terminals of
the battery are accidentally contacted by a
metallic object.

On the unit

• Keep the lens on the unit clean and do not

touch it. If you do so, the lens may be damaged
and the unit will not operate properly.

• Do not put any heavy object on top of the unit.

The unit and the CD may be damaged.

• Do not leave the unit in a location near heat

sources, or in a place subject to direct sunlight,
excessive dust or sand, moisture, rain,
mechanical shock, unleveled surface, or in a car
with its windows closed.

• If the unit causes interference to the radio or

television reception, turn off the unit or move it
away from the radio or television.

• Do not wrap the unit in a cloth or blanket

during use as it may cause malfunction or
serious accidents.

On headphones/earphones

Road safety
Do not use headphones/earphones while
driving, cycling, or operating any motorized
vehicle. It may create a traffic hazard and is
illegal in some areas. It can also be potentially
dangerous to play your headsets at high volume
while walking, especially at pedestrian crossings.
You should exercise extreme caution or
discontinue use in potentially hazardous
situations.

Preventing hearing damage
Avoid using headphones/earphones at high
volume. Hearing experts advise against
continuous, loud and extended play. If you
experience a ringing in your ears, reduce 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.

Polarity of the plug

Lens

(rear)

Maintenance

To clean the lens

Clean the lens with a lens cleaning kit KK-DM1.

To clean the casing

Use a soft cloth slightly moistened in water or a
mild detergent solution. Do not use alcohol,
benzine or thinner.

Troubleshooting

Should any problem persist after you have made
these checks, consult your nearest Sony dealer.

The CD does not play or “

no dlSC

appears in the display though a CD
is placed in the unit.

m The CD is dirty or defective.
m Insert the CD with the label side up.
m Moisture condensation has occurred.

Leave the unit aside for several hours until
the moisture evaporates.

m The lens is dirty.
m Close the lid of the unit and the battery

compartment firmly.

m Make sure the batteries are inserted

correctly.

m Connect the AC power adaptor to a wall

outlet securely.

When you press

^, “00” appears in

the display for a moment, and
disappears. The CD does not play.

m Rechargeable battery or dry batteries are

used up. Charge the rechargeable battery
or replace dry batteries with new ones.

No sound, or noise is heard.

m Connect the plugs firmly.
m Plugs are dirty. Clean the plugs with a dry

soft cloth periodically.

Hl dc ln” appears in the display.

m Use only the supplied AC power adaptor

or recommended AC power adaptor AC-
E45HG (not supplied).

Hold appears in the display when

you press a button.

m The buttons are locked. Slide HOLD back.

Lo batt appears in the display

when you press a button.

m The rechargeable battery is used up

completely. Connect the AC power
adaptor and charge the battery.

m The dry batteries are use up. Replace them

with new ones.

The battery life is short.

m Manganese batteries are used. Use alkaline

batteries.

m Replace the batteries with new ones.

The volume is limited to a certain
level even if you attempt to turn it
up.

m AVLS selector is set to LIMIT. Set it to

NORM.

When listening to the radio, the
audio is weak or has poor quality.

m Replace the batteries with new ones.
m Move the unit away from the TV.

Specifications

CD player section

System

Compact disc digital audio system

Laser diode properties

Material: GaAlAs
Wavelength:

λ =

780 nm

Emission duration: Continuous
Laser output: Less than 44.6 µW (measured at
200 mm away from the objective lens surface)

Error correction

Sony Super Strategy Cross Interleave Reed
Solomon Code

D-A conversion

1-bit quartz time-axis control

Frequency response

20 - 20,000 Hz

+1

dB (measured by EIAJ CP-

307)

Output (at 4.5 V input level)

Headphones (stereo minijack)

15 mW + 15 mW at 16 ohms

Line output (stereo minijack)

Output level 0.7 V rms at 50 kilohms
Recommended load impedance over 10
kilohms

Radio section

Frequency range (STEP switch)

9 kHz step:
FM: 76.0 - 108.0 MHz
AM 531 - 1,710 kHz
10 kHz step:
FM: 87.5 - 108.0 MHz
AM 530 - 1,710 kHz

Antenna

FM: Headphones cord antenna
AM: Built-in ferrite bar antenna

General

For the area code of the model you purchased,
check the upper left side of the bar code on the
package.
Power requirements

• Sony BP-DM10 Rechargeable battery:

2.4 V DC, Ni-Cd, 650 mAh
Sony BP-DM20 Rechargeable battery:
2.4 V DC, Ni-MH, 1,200 mAh

• Two LR6 (size AA) batteries: 3 V DC
• AC power adaptor (DC IN 4.5 V jack):

U2/CA2/E92 model: 120 V, 60 Hz
CED/CEF/E13/CN2 model: 220 - 230 V,
50/60 Hz
CEK model: 230 - 240 V, 50 Hz
EA3 model: 110 - 240 V, 50/60 Hz
AU2 model: 240 V, 50 Hz
JEW/E33 model: 100 - 240 V, 50/60 Hz

• Sony CPM-300P mount plate for use on car

battery: 4.5 V DC

Dimensions (w/h/d) (without projecting parts
and controls)

Approx. 132

Ч

34.0

Ч

135.6 mm

(5

1

4

Ч

1

3

8

Ч

5

3

8

in.)

Mass (without rechargeable battery)

Approx. 280 g (9.9 oz)

Operating temperature

5°C - 35°C (41°F - 95°F)

Supplied accessories

For the area code of the model you purchased,
check the upper left side of the bar code on the
package.

AC power adaptor (1)
Headphones (1)a)
Earphones (1)b

)

Connecting cord (Phono plug

×

2

stereo

miniplug) (1)c)
a) Supplied with U2 model
b) Not supplied with U2 model
c) Not supplied with CED, CEK and CEF

models

Design and specifications are subject to change
without notice.

Recommended accessories

Mount plate CPM-300P
Mount kit CPM-450PC*
Mount kit CPM-300PC
Car connecting pack CPA-9
Car battery cord with car connecting pack
DCC-E26CP
Car battery cord DCC-E245
Active speaker system SRS-A21, SRS-A41,
SRS-A71
Rechargeable battery BP-DM10, BP-DM20
Connecting cord RK-G129HG
AC power adaptor AC-E45HG
Stereo headphones MDR-35, MDR-E848
*Sold in Japan only

Your dealer may not handle some of the above
listed accessories. Please ask the dealer for
detailed information about the accessories in
your country.

-2

Headphones
or
Earphones

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