OPERATING INSTRUCTIONS
Please read this operating manual thoroughly
before operating this high quality electronic
unit, so that you can obtain the maximum en
joyment from it.
This manual should be retained for future ref
erence and used to answer your operational
questions as they arise.
PROFESSIONAL
UJALKiTlRn
WALKMAN is a trademark of Sony Corporation
11983 by Sony Corporation
OWNER’S RECORD
TABLE OF CONTENTS
The model number is located at the rear and •
the serial number is located in the battery
compartment.
Record the serial number in the space pro
vided below.
Refer to these numbers whenever you call
upon your Sony dealer regarding this
product.
Model No. WM-D6C
Serial No
______________________
INFORMATION
This equipment has been tested and found to
compiy with the iimits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a
residential installation. This equipment
generates, uses, and can radiate radio frequency
energy and, if not-installed and used in
accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference
will not occur in a particular installation. If this
equipment does cause harmful interference to
radio or television reception, which can be
determined by turning the equipment off and on,
the user is encouraged to try to correct the
interference by one or more of the following
measures;
Features ......................................................... 3
Precautions....................................................
Battery insertion.............................................. 4
Cassette insertion
Playback
Recording
Other power sources
Functions to make recording/piayback
How to use the carrying case and
Maintenance
Specifications.................................................12
Parts identification
........................................................
easy
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shouider strap............................................11
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10
12
14
3
5
6
8
9
• Reorient or relocate the receiving antenna.
• Increase the separation between the
equipment and receiver.
• Connect the equipment into an outlet on a
circuit different from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV
technician for help.
Warning
You are cautioned that any changes or
modifications not expressly approved in this
manual could void your authority to operate this
equipment.
FEATURES
PRECAUTIONS
• Quartz lock capstan servo system assures
accurate and stable tape speed.
• In addition to the conventional B-type
Dolby * * NR system, the WM-D6C employs the
C-type Dolby NR system which reduces tape
noise twice as effectively as the B-type
system.
• Speed control adjusts the tape speed
accurately (approx. ±4%) in the playback
mode.
0 DC-DC converter boosts the low voltage of
DC 6V and maintains sufficient power,
e Amorphous head for recording/playback
provides a wider dynamic range and a more
extended frequency response.
• Tape selector for optimum recording with
standard tapes as well as high-performance
tapes.
• Microphone attenuator eliminates the dis
tortion which may be caused by high-level
input signal.
• MIC (PLUG IN POWER) jack can supply
power to an ECM-909Aelectret condenser
stereo microphone (optional).
e Three different power sources: batteries,
house current, and 12 V car battery,
e 5-LED peak/battery indicator shows both
the peak level and the battery strength,
e Stereo minijacks can be used for connect
ing to audio components.
• Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol ÜD are trademarks of Dolby
Laboratories Licensing Corporation.
e Operate the set only on 6V dc.
• Do not leave the set near heat sources
such as radiators or airducts, or in a place
subject to direct sunlight, excessive dust,
moisture, rain, or mechanical shock.
• Should any liquid or solid object fall into
the set, remove the batteries and disconnect
the ac power adaptor or the car battery cord,
and have the set checked by qualified person
nel before operating it any further.
-On headphones------------------
Road safety
Do not use headphones 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 potentilally hazardous
situations.
Preventing hearing damage
Do not use headphones 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.
• The record button cannot be depressed in
the following cases. Never depress the but
ton forcibly.
• No cassette in the cassette compartment.
• The cassette inserted has had the tabs
removed.
If you have any question or problem concern
ing your set that is not covered in this man
ual, please consult the nearest Sony Service
Station authorized to service tape recorders.
BATTERY INSERTION
Insert four batteries, size AA (lEC designation
R6), with correct polarity, referring to the
illustration below.
Note: When the set is not to be used for a
long period of time or is to be operated exten
sively on other power sources, remove the
batteries to avoid set damage caused by bat
tery leakage and corrosion.
Battery life
continuous
playback
TYPE 1, IV
6
N^type of cassette
batteries
Sony AM3 (N)
alkaline batteries
Sony SUM-3 (NS)
batteries
' (hours)
continuous recording
TYPE IV TYPEI
4 5
2 2.5 3
To check the battery condition, press any of
the function buttons and set the peak/battery
indication seiector to ВАТТ. The bottom
most LED wiil giow showing battery condi
tion. if the indicator glows faintly replace all
batteries at once.
• The life of other type batteries or batteries
of other manufacturers may be different.
CASSETTE INSERTION
Take up any slack in the tape with a thick
pencil, and insert a cassette with the desired
side up. Avoid touching the tape surface.
I