Sony WM-EX372 Leaflet

©1997 by Sony Corporation  Printed in China

3-861-488-13 (1)

Operating Instructions
Mode d’emploi (au dos)

WALKMAN is a registered trademark of Sony Corporation.
WALKMAN est une marque déposée de Sony Corporation.

• To prevent fire or shock hazard, do not expose the unit

to rain or moisture.

• Do not use headphones/earphones while driving,

cycling, or operating a motorized vehicle.  It may create
a traffic hazard and is illegal in some areas.  It can also
be potentially dangerous to play your headphones/
earphones at high volume while walking, especially at
pedestrian crossings.  You should exercise extreme
caution or discontinue use in potentially hazardous
situations.

• To prevent shock hazards, never open the unit while it

is connected to the power source.

• Do not use 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.

• Keep the volume at a moderate level.  This will allow

you to hear outside sounds and to be considerate to the
people around you.

To avoid battery leakage, fire, damage, explosion, etc.,
follow the descriptions below.

•Do not carry dry batteries with coins or other metallic

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

• Excluding EX172/EX170 for U.S.A., Canada and

Europe: Use only the recommended AC power adaptor
(not supplied).  Check also the local voltage to avoid a
short circuit to the AC power adaptor.

• Excluding EX172/EX170 for U.S.A., Canada and

Europe: To disconnect the AC power adaptor, only use
the plug and not the cable.

• Do not charge a dry battery.
• 

Check the 

] and } on the batteries, and be sure to

insert them like the illustration in this manual.

• When you are not going to use your Walkman for a long

time, remove the batteries to prevent damage from
battery leakage and corrosion.

Battery life (approximate hours)         (EIAJ*)

 Playback

24

7.5

* Measured value by the standard of EIAJ (Electronic

Industries Association of Japan). (Using a Sony HF
series cassette tape)

• The BATT indicator dims when the batteries become

weak or exhausted. Replace them with new ones.

• The battery life may shorten depending on the

operation of the unit.

• If the battery compartment lid comes off, attach it as

shown.

• For house current: Connect AC-E30HG AC power

adaptor (not supplied) to the DC IN 3V jack.  The
polarity of the plug is as shown.

• Specifications for AC-E30HG varies for each area. Check

your local voltage and the shape of plug before
purchasing.

Wear the “L” marked side to the left ear and the “R”
marked side to the right ear.

Select NORM or CrO

2

/METAL to match

the tape type.

Insert a cassette and press 

9 PLAY.

Stop playback*

pSTOP

Fast-forward

)or0

or rewind the tape
Change sides

DIR (EX372 only)

Play both sides once

MODE to 

Å (EX372 only)

Play both sides

MODE to 

a (EX372 only)

repeatedly

* When the tape direction is set to 

Å mode, the

depressed button 

9 PLAY is released automatically at

the end of the reverse side (Auto shut-off function)
(EX372 only).

To limit the maximum volume
automatically
Set AVLS 

(Automatic Volume Limiter System)

 to

LIMIT. The maximum volume is kept down to
protect your ears, even if you turn the volume up.
To cancel the AVLS function, set AVLS to NORM.

To emphasize sound
Set the MEGA BASS switch to ON to produce deep
and powerful sound.
Turn the HIGH and LOW controls to get the
desired tone (EX372/EX172 only).

To play a tape recorded with Dolby* NR
system (EX372/EX172 only)
Set DOLBY NR to ON.

* Dolby noise reduction manufactured under license from

Dolby Laboratories Licensing Corporation.
“DOLBY”and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.

• When you set AVLS to LIMIT:

- the MEGA BASS effect is reduced.
- turn down the volume, if the bass-boosted sound

becomes distorted or unstable.

• Do not open the cassette holder while the tape is

running.

• To select the direction of the tape, set MODE to 

a for

both sides repeatedly or 

Å for both sides once (from

the front side to the reverse side only). If play begins
from the reverse side, the tape stops at the end of that
side (EX372 only).

CrO

2

/

METAL

NORM

PLAY

)

 

9PLAY

2

 

0

 

p

 

 

 

1

2

ON

ON

HIGH

LOW

The model number is located at the rear and the serial
number is located inside the cassette holder.  Record
these numbers  in the spaces provided below.  Refer to
them whenever you call upon your Sony dealer regarding
this product.
Model No.
Serial No.

The instructions in this manual are for WM-EX372, WM-
EX172 and WM-EX170. Before you start reading, check
your model number. WM-EX372 is the model used for
illustration purposes. Any differences in operation are
clearly indicated in the text, for example, “EX372 only”.

• 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, or in a car with
its windows closed.

• Do not wind the headphones/earphones cord around

the unit. The buttons may be kept pressed, causing
unnecessary battery usage.

• Do not use cassettes longer than 90 minutes except for

long continuous playback.

• If the unit has not been used for a long time, set it in the

playback mode to warm it up for a few minutes before
inserting a cassette.

• For cleaning the case, use a soft cloth slightly moistened

with mild detergent solution. Do not use alcohol,
benzine or thinner.

If you have any questions or problem concerning your
Walkman, please consult your nearest Sony dealer.

• AVLS is set to LIMIT.

• Insert two R6 (size AA) batteries properly.
• 

Replace all batteries if they are weak.

• Clean the headphones/earphones plug.
• Dirty heads. Clean them with a cotton swab slightly

moistened with cleaning fluid or alcohol.

-3V DC batteries R6 (AA)  x 2
-External DC 3V power sources (excluding EX172/EX170 for
 U.S.A., Canada and Europe)

88.5 x 111.5 x 37.6 mm (3 

1

/

2

 x 4 

1

/

2

 x 1 

1

/

2

 inches) (w/h/d)

incl. projecting parts and controls

EX372: Approx. 135g (4.8 oz) /Approx. 195g (6.9 oz) incl.
batteries and a cassette
EX172: Approx. 130g (4.6 oz) /Approx. 190g (6.8 oz) incl.
batteries and a cassette
EX170: Approx. 125g (4.5 oz) /Approx. 185g (6.6 oz) incl.
batteries and a cassette

Stereo headphones or Stereo earphones (1)/Belt clip (1)

Design and specifications are subject to change without notice.