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9 REAR-PANEL CONNECTIONS

¡

™

£

¢

∞

§

⁄

ª

AC 100~240V 50-60Hz 28W

¶

•

‚

¡ Play Deck (CDP) Analog Output
™ Record Deck (CDR) Analog Output
£ Record Deck (CDR) Analog Input
¢ Play Deck (CDP) Coaxial-Digital Output

∞ Record Deck (CDR) Coaxial-Digital Output
§ Record Deck (CDR) Coaxial-Digital Input
¶ Record Deck (CDR) Optical-Digital Input
• Play Deck (CDP) Optical-Digital Output

ª Remote IR Input
‚ Remote IR Output 
⁄ AC Power Cord

¡ Play Deck (CDP) Analog Output: These
jacks carry the analog audio output signal from
the Play Deck

3. Connect them to the CD

input jacks on a receiver, preamp or processor.

™ Record Deck (CDR) Analog Output:
These jacks carry the output signal from the
Record Deck

%. Connect them to the Tape

Play/In input jacks on a receiver, preamp or
processor.

£ Record Deck (CDR) Analog Input: These
jacks accept the analog signals that are used
for CD recordings. Connect them to the Tape
Rec/Play outputs on a receiver, preamp or
processor.

¢ Play Deck (CDP) Coaxial-Digital
Output: This jack carries the digital-audio out-
put signal from the Play Deck

3. Connect it

to a coaxial-digital input on a receiver, proces-
sor or digital decoder.

∞ Record Deck (CDR) Coaxial-Digital
Output: This jack carries the digital audio out-
put signal from the Record Deck

%. Connect

it to a coaxial digital input on a receiver,
processor or digital decoder.

§ Record Deck (CDR) Coaxial-Digital
Input: This jack accepts the digital-audio input
signal from a compatible digital audio product
and should be connected directly to a digital
player or to a coaxial-digital output on a CD or
DVD player or an A/V receiver or processor.

IMPORTANT NOTE: The coaxial digital inputs
should only be connected to digital input or
output jacks. Even though they use the same
RCA type connector as standard analog audio
connections, DO NOT connect them to conven-
tional analog input or output jacks.

¶ Record Deck (CDR) Optical-Digital
Input: This jack accepts the digital-audio input
signal from a compatible digital audio product,
and should be connected to the optical-digital
output on a CD or DVD player or an A/V 
receiver or processor.

• Play Deck (CDP) Optical-Digital
Output: This jack carries the optical digital 
output signal from the Play Deck

3. Connect

it to an optical digital input on a receiver,
processor or digital recorder. This will typically
be connected to the “CD” input.

ª Remote IR Input: Connect the output of a
remote infrared sensor or the remote control
output of another compatible Harman Kardon
product to this jack. This will enable the remote
control to operate even when the front-panel
Remote Sensor

Û is blocked. This jack may

also be used with compatible IR remote control
based automation systems.

‚ Remote IR Output: Connect this jack 
to the IR input jack of another compatible
Harman Kardon remote controlled product to
have the built-in remote sensor 

Û on the 

CDR 20 provide IR signals to other compatible
products.

⁄ AC Power Cord: Connect this plug to an
AC outlet. If the outlet is switch controlled,
make certain that it is in the ON position.

10 REMOTE CONTROL FUNCTIONS

● 

●

●

●

●

● 

a Power-On Button
b Play Deck (CDP) Display Control
c Play Deck (CDP) Open
d Play Deck (CDP) Select
e Program
f Reverse Search
g Single
h Program Check
i Previous-Track Skip
j Play/Select
k Random Play
l Dub
m Automatic/Manual Track Increment Selector
n Track Increment
o Finalize
p Numeric Keys
q A-B Repeat
r Repeat
s Speed Select
t Record Button
u Erase Button
v Input Select
w CD Sync
x Stop
y Pause
z Next Track/Skip
` Dual-Deck Playback

Forward Search

Record Deck (CDR) Select 

Record Deck (CDR) Open

Record Deck (CDR) Display Control

Power Off

Clear

IMPORTANT NOTE: Some of the remote’s
functions, including Play, Pause, Stop,
Search, Next and Previous Track, are
shared between the two decks. Always
remember to press the CDP Select button
d to use the remote to control the Play
Deck, or press the CDR Select button 
to control the Record Deck. When you
press one of these buttons, an indication
of CDP or CDR will appear in the appro-
priate Information Display 

K.

ON

OFF

PREV

PLAY/SELECT

NEXT

STOP

PAUSE

PROG.

PROG

CHECK

SEARCH

SEARCH

POWER 

SINGLE

DUAL

REPEAT

  

TR INCR FINALIZE

INPUT

ERASE

A  B

CD SYNC

REC

l

x

a

b

c

d

f

g

h

i

e

k

j

m

n

o

AUTO/MAN

DUB

1

2

3

4

7

5

6

8

9

0

q

r

s

u

SPEED

t

v

w

y

z

`

DISPL

A

Y

CD

R

D

IS

PL

AY

C

D

P

p

11 REMOTE CONTROL FUNCTIONS

a Power-On Button: Press this button to
turn the CDR 20 on. Note that in order for this
control to function, the Front-Panel Power
Switch 

1 must first be pressed so that the

unit is in the Standby mode.

b Play Deck (CDP) Display Control: Press
this button to cycle through the various time
display options for the disc in the Play Deck
3. See page 17 for more information on time-
display options.

c Play Deck (CDP) Open: Press this button
to open the Play Deck

3.

d Play Deck (CDP) Select: Press this but-
ton to control or program the functions of the
disc in the Play Deck

3.

e Program: Press this button to begin the
programming sequence for one of the CD
decks. See page 18 for more information on
programming the CDR 20.

f Reverse Search: Press this button to play
the selected disc in reverse to locate a desired
passage.

g Single: When this button is pressed, the
CDR 20 will function as a two-disc CD player/
changer. In the Single mode, the audio output
will be routed to all output jacks ¡™¢∞
• regardless of which CD deck is actually
playing. See page 17 for more information on
the Single-Play mode.

h Program Check: Press this button to
check or edit a programmed playback sequence.
See page 18 for more information on pro-
grammed playback.

i Previous-Track Skip: Press this button to
skip backwards to the beginning of the track
currently being played. Press it a second time to
move back to the beginning of each previous
track.

j Play/Select: This button has two func-
tions. It will most often be used as a standard
play button, but when setting up certain record
functions, it is also used as an Enter or Select
button.

k Random Play: When the CD deck is
stopped, press this button to begin random play
of all tracks on a disc.

l Dub: Press this button to begin a dub. See
page 20 for more information on dubbing.

m Automatic/Manual Track Increment
Selector: Press this button to select between
automatic and manual track increments during
a recording session. See page 21 for more infor-
mation on track increments.

n Track Increment: When the Manual
mode for track increments is selected during
recording, press this button to increase the
track number. NOTE: This function does not
operate during CD Sync or dub recording.

o Finalize: Press this button when a record-
ing is complete to initiate the finalization
process. The Play/Select button 

*j must

be pressed within three seconds to activate
finalization. Until this button is pressed and the
finalization process is complete, CD-R or CD-RW
discs may not be played on conventional CD
machines. See page 22 for more information 
on Finalization.

p Numeric Keys: Press these buttons to
access a specific track for playback or during
the programming process. See page 18 for more
information on programmed playback.

q A-B Repeat: Press this button to specify a
segment of a disc for repeat play. See page 18
for more information on repeat play.

r Repeat: Press this button once to repeat
the current track. To repeat an entire disc, press
the button twice.

s Speed Select: Press this button to select
the recording speed for internal dubs. See page
20 for more information on selecting the proper
speed.

t Record Button: Press this button to
begin a manual recording.

u Erase Button: Press this button to initiate
the erasure of a track or of an entire CD-RW
disc or to Unfinalize a disc. Note that erasure is
only possible on CD-RW discs. See page 22 for
more information on erasing discs.

v Input Select: Press this button to select
the input source (analog or digital-coax) for
recording. See page 21 for more information on
input selection.

w CD Sync: Press this button once to begin
an automated recording of a single track from
an external CD player when a digital connection
is used. Press it twice to begin automated
recording of an entire disc. See page 21 for
more information on CD Sync recording.

x Stop: Press this button to stop playback or
recording.

y Pause: Press this button to momentarily
pause playback. Press it again to resume 
playback.

z Next Track/Skip: Press this button to skip 
forward to the next track on a disc.

` Dual Deck Playback: Press this button
to enable both CD decks to play back at the
same time and function as separate, independ-
ent CD units. In this mode it is also possible to
record from an external source while the Play
Deck is functioning as a standard CD player. See
page 17 for more information on dual-play
capability.

Forward Search: Press this button to

play a disc in a fast-forward mode.

Record Deck (CDR) Select: Press this

button to control or program the functions of
the disc in the Record Deck 

%.

Record Deck (CDR) Open: Press this

button to open the Record Deck

%.

Press this button to cycle through the various
time-display options for the disc in the Record
Deck

%. See page 17 for more information on

time-display options.

Power-Off: Press this button to place the

unit in a Standby mode.

Clear: Press this button to clear an item

in a program sequence. See page 18 for more
information.

12 INSTALLATION AND CONNECTIONS

Important Note: To prevent possible damage
to your speakers or other components in your
audio system, we strongly recommend that ALL
system components, including the CDR 20, be
turned off and unplugged from their AC power
source when any connections are made or a
new component is installed.

Locating the CDR 20
Since the CD transports in the CDR 20 are pre-
cision instruments, they are subject to interfer-
ence from vibration. To minimize the possibility
of skipping during playback or recording, it is
recommended that the unit be placed on a
level, solid, vibration-free surface.

When installing the CDR 20 in a cabinet or
tight space, always make certain that there is
enough room in front of the unit for the disc
drawers to open fully, and that there is enough
space above the unit so that discs may easily
be inserted in the disc drawers.

In addition to the safety considerations outlined
on page 4, it is also recommended that the
CDR 20 not be placed in a location that is sub-
ject to direct sunlight or extreme heat or cold,
as these conditions may damage the discs used
in the player, or the player itself. Note that
audio amplifiers or high-power receivers, as
well as certain other electronic products, may
generate significant heat. For that reason, do
not place the CDR 20 directly on top of an
amplifier, receiver, or other heat source. Always
allow at least one inch of free space on all
sides of the CDR 20, as well as other electronic
products, to allow for proper ventilation.

The unit should also be kept away from sources
of water or damp conditions.

Connections to Your Audio System
When connecting the CDR 20, think of the
process as if your were connecting a standard
CD player and a tape or cassette recorder, with
the addition of the digital connections.

Play-Deck Connections
The rear-panel connections labeled “CDP” refer
to the outputs of the Play Deck

3, which

functions as a standard CD player. Connect the
analog left/right CDP outputs ¡ to the CD
inputs on your receiver, preamp or surround
processor. For best playback results, a digital
connection is recommended, using the coaxial
or optical ¢• outputs. Connect them to the
matching digital inputs of your receiver, pre-
amp, processor or external digital decoder. Note
that you may have to change a setting on the
receiver or processor to link the digital input to
the “CD” button or input selector. Consult the
owner’s manual on that device for details, as
this configuration may vary from unit to unit.

Record-Deck Connections
The rear-panel connections labeled “CDR” refer
to the inputs and outputs for the Record Deck
%. Depending on the capabilities of your
receiver, preamp or processor, you may find it
convenient to connect the analog inputs and
outputs to the jacks marked for a tape recorder.
As the CDR 20’s functions resemble those of 
a standard tape recorder, this might make it
easier to select it as an input on your receiver
or preamp. Connect the analog CDR-Out jacks
™ to the Play/In jacks of a Tape or Aux input
on your receiver or preamp. Connect the CDR-In
jacks £ to the Tape Rec/Out jacks on your
receiver or preamp.

To play the output of the Record Deck through
the digital decoder in your receiver or an exter-
nal processor, connect the CDR Coax-Out ∞
jacks to the matching digital-input jacks on
your receiver or processor. Note that you may
have to change a setting on the receiver or
processor to link the digital input to the “Tape”
button or the specific input selector associated
with the digital inputs. Consult the owner’s
manual on your receiver or processor for
details, as this configuration may vary from unit
to unit.

To make recordings from external digital
sources, such as a CD, DVD or MD player, con-
nect the CDR Coax-In jacks §

6 or CDR

Optical In Jack ¶ on the CDR to the digital
output jacks on your receiver or processor. If
your receiver does not have digital-output jacks,
you may connect the CDR Coax In jacks
§6 or CDR Optical In Jack ¶ on the CDR
20 directly to the digital outputs on your CD
player or other digital device.

Connections to a portable digital CD or MD
player may also be made by connecting the
Coax Digital Output of the player to the Front-
Panel Digital Input 

6 on the CDR 20.

Note that when both the front and rear panel
digital inputs are connected to external sources,
the CDR 20 will give priority to the front-panel
input 

6. If it is impractical to disconnect the

front-panel input when you need to use the
rear-panel jack, simply turn off the device con-
nected to the front-panel input. This will stop
the digital signal, and permit the rear-panel
jack to be used.

Although digital-coax connections use the same
type of “RCA” phono jack as standard analog
signals, please take special care to connect digi-
tal signals only to digital jacks. In many cases,
the digital jacks may be identified by an
orange-colored insert ring around the center of
the jack. When making digital connections, be 
sure to use coax-interconnect cables, such as
the one supplied with the CDR 20 or cables
intended for video applications. Even though
they have the correct type of RCA connector, do
not use audio-interconnect cables that have
twisted-pair construction, as they are not
appropriate for digital signal use. If you have
any questions about the type of cables to use
with the CDR 20, consult your dealer.