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FM/AM
Portable
CD Player
Operating Instructions
About the area code
The area code of the location in which you purchased the CD player
is shown on upper left of the bar code label on the package.
For accessories supplied with your CD player, check the area code
of your model and see "Accessories (supplied/optional)."
3-232-538-12 (1)
D-F20
© 2001 Sony Corporation


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CAUTION
The use of optical instruments with this
product will increase eye hazard.
Owner's Record
The model and the serial numbers are located
at the rear. Record the serial number in the
space provided below. Refer to these
numbers whenever you call upon your Sony
dealer regarding this product.
Model No. D-F20
Serial No. ___________________
Certain countries may regulate disposal of
the battery used to power this product. Please
consult with your local authority.
For the customers in the USA
This equipment has been tested and found to comply
with the limits 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:
­ 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.
You are cautioned that any changes or modifications not
expressly approved in this manual could void your
authority to operate this equipment.


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Table of Contents
Getting started
Locating the controls ................................... 4
Playing a CD
1. Prepare your CD player. .......................... 6
2. Insert a CD. ............................................. 6
3. Play a CD. ............................................... 6
Playback options .................... 8
Using the radio
Listening to the radio ................................... 9
Presetting radio stations ............................. 11
Playing preset radio stations ...................... 12
Changing the tuning interval ..................... 12
Available features
To maximize the skip protection performance
(ESP MAX) ........................................... 13
Emphasizing the bass sound (SOUND) .... 13
Protecting your hearing (AVLS) ................ 14
Locking the controls (HOLD) ................... 14
Turning off the operation beep sound ........ 15
Connecting your CD player
Connecting a stereo system ....................... 16
Connecting a power source
Using the dry batteries ............................... 17
Using the AC power adaptor ..................... 18
Notes on the power source ........................ 18
Additional information
Precautions ................................................ 19
Maintenance .............................................. 19
Troubleshooting ......................................... 20
Specifications ............................................ 22
Accessories (supplied/optional) ................ 23


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Getting started
Locating the controls
For details, see pages in parentheses.
CD player (front)
1 i (headphones)
jack
(page 6)
7 Display
(pages 8 - 14)
4 VOLUME
control
(page 6)
5 MENU/PRESET +
button
(pages 8, 11, 12)
2 OPEN button
(page 6)
3 SOUND/
PRESET ­
button
(pages 11 - 13)
qa DC IN 4.5 V
(external power
input) jack
(page 18)
8 u (play/pause)
button
(pages 6, 7)
9 x (stop)·RADIO OFF
button
(pages 7, 9, 11, 15)
q; Strap holes
6 RADIO ON·BAND/
MEMORY button
(pages 9 - 12)
qd HOLD switch
(page 14)
qs ./>
(AMS/search) ·
TUNE ­/+ buttons
(pages 7 - 9, 11)


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CD player (inside)
qg AVLS switch
(page 14)
qk Battery compartment
(pages 6, 17)
CD player (rear)
qf ESP switch
(page 13)
Getting
started
qh LOCAL/DX switch
(page 10)
qj STEP switch
(page 12)