
Changes or modifi cations may cause this unit to

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Input sensitivity/Impedance
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Signal-to-Noise ratio (IEC-A weighted)
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Total Harmonic Distortion (0dB, PCM)
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Input Sensitivity/Impedance
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Signal-to-Noise ratio (IEC-A weighted)
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Total Harmonic Distortion (0dB, PCM)
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Input Sensitivity/Impedance
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Signal-to-Noise ratio (IEC-A weighted)
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Total Harmonic Distortion (0dB, PCM)
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Standard output level/Impedance
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(If recording is done directly to a CD-R a disc error can inter-
the common procedures used
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Rechargeable Lead Acid battery system
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Additional rechargeable Lead Acid battery pack
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www.d-mpro.com

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Connect Microphones or Instruments
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Connect digital equipment
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8 Jog Wheel (SELECT, PUSH ENTER)
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How to jump to an IN mark
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How to jump to an OUT mark
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1 PHONE/SPEAKER LEVEL control
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3 MIC/LINE controls and input jacks
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5
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13 LINE OUT level control
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4 DIGITAL IN and OUT jacks (SPDIF)
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REC FORMAT to be recorded
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How to add a track to a CD Project
How to delete a track from a CD Project
How to change a track in a CD Project
How to burn your CD Project to a CD
Display messages during CD burning
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How to RIP a single track
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How to set the Playback Mode
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How to navigate within the track
How to mark an audio segment
Precise Editing (navigation)
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How to Cut, Copy or Delete
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How to Exit Edit Execute Mode
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IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
Insert a blank (8x or greater) CD (optional).
Press and release the REC button
Press and release the fl ashing Play/Pause button
While recording both the red REC button
To pause recording press and release the Play/
again to resume recording.
Press and release the Stop button
If a non-blank CD is in the drive it is ejected.
When you insert a blank CD it is automatically
Answer N (no), or press and release the Stop but-
The CDR420 checks for a blank CD in the CD

(CD-R disc errors can interrupt recording.)
Mono: 32, 40, 64, 80, 128, 160
Stereo: 64, 80, 128, 160, 256, 320

L R
L + R
L/R
MIC/LINE
PUSH
MIC/LINE RIGHT
PUSH
LEFT
INT
LINE
MIC
Set the LINE MIC INT switch to LINE for line level input(s)
Set the L/R L+R switch to L/R for stereo recording. Set to
level controls to adjust left and/or
IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
L
R
INPUT
Amp, Mixer/Pre-Amp, CD-R, etc.
LINE
OUT
MIX
OUT
R
L
L
R
INPUT
Amp, Mixer/Pre-Amp, CD-R, etc.
AUX
IN
L
R
OUTPUT
Amp, Mixer/Pre-Amp, CD-R, etc.
R
L
Connect Right and Left RCA audio cables to
Connect Right and Left RCA audio cables to
IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0

IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
DIGITAL
OUTPUT
digital device
IN
OUT
INPUT
The CDR420 can only receive and record a 16 bit,
The CDR420 is only capable of playing back fi les
The CDR420 is not capable of monitoring audio by
IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
IN
OUT
DIGITAL
MIX LINE AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOMCD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420

FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
press and release the Jog
'Select' tells you to turn the Jog Wheel to select the
The fi le name is displayed.
press and release the INFO
press and release the EDIT MENU
to exit the File Directory.

In the example the full track name is "SEP 06
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
press and release the INFO button
you can also press and hold the

FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOMCD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
to exit the UTILITY MENU.
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IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOMCD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
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IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
are lit and steady during recording.
fl ashes during a CD Project to

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
during play or edit play.
during play or edit play.
to cancel the function and return the
then pressing the Play/Pause button

L R
L + R
L/R
MIC/LINE
PUSH
MIC/LINE RIGHT
PUSH
LEFT
INT
LINE
MIC
PHONE SELECTOR
MIC/LINE
MIX OUT
LINE OUT
AUX
– Audio available at the MIX OUT output
jacks or via XLR connectors are
records the Left input onto the
records Left and Right inputs

– the signal(s) is not attenuated.
– Overdrive of the signal is attenuated (limited).
MANUAL
ALC
LIMITER
REC LEVEL

IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
EXT BATT(-)
DC IN (+)
DC IN (-)
EXT BATT(+)
1
2
3
4
1
2
3
4

When correct press and release the Jog Wheel to
IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
When correct, press and release the Jog Wheel.

bitrate choices are: 32, 40, 64, 80, 128, or
IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
Changing KBPS is not applicable for PCM.
When correct press and release the Jog Wheel.
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IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420

IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
To change the setting, turn the Jog Wheel so the
Press and release the Jog Wheel to confi rm the
To change the setting, turn the Jog Wheel to select
To change the setting, turn the Jog Wheel to select
To change the setting, turn the Jog Wheel to se-
To change the setting, turn the Jog Wheel to select
To change the setting, turn the Jog Wheel to select

To change the setting, turn the Jog Wheel to select
To change the setting, turn the Jog Wheel to select
after the timer recording, RECORD TIMER
after the fi rst timer recording, timer recording
after the fi rst timer recording, timer re-
after the fi rst timer recording, timer
When correct, press and release the Jog Wheel.

RECORD SETTING is displayed.
NEW CD PROJECT is displayed.
CD TYPE: AUDIO is displayed. "?" appears in the

That gives you an opportunity to review your
Repeat steps 10 and 11 to construct your CD Proj-

If the track is long enough

When done the new CD copy is automatically
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(or INSERT CD will be prompted)
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Turn Jog Wheel to select .
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Press Jog Wheel to enter........ CDR FUNCTIONS
RIP: ENTIRE CD is displayed.
The CDR420 cannot convert MP3 fi les to PCM.
If Stereo turn the Jog Wheel to tab through 64, 80,
If Mono turn the Jog Wheel to tab through 32, 40,
Then press and release the Jog Wheel.
Press and release the Jog Wheel to begin renaming

As each track is ripped to the CDR420 HD prog-
To cancel ripping in progress, press and release
When done ripping the CDR420 returns to Idle
/EDIT TAGS / TRACK NAME to rename the track
(or INSERT CD will be prompted)
Press Jog Wheel to enter........ CDR FUNCTIONS
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Turn Jog Wheel to select MP3 or PCM
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Turn Jog Wheel to select bitrate then press Jog
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The date and time (name) of the folder will be dis-

RIP: ENTIRE CD is displayed.
The CDR420 cannot convert MP3 fi les to PCM.
If Stereo turn the Jog Wheel to tab through 64,
Press and release the Jog Wheel to begin renaming
The date and time (name) of the folder will be dis-
Press and release the Jog Wheel.
To cancel ripping in progress, press and release the

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unwanted high frequency noise, such as wind, hums,
unwanted noise, such as rumble from heating systems,
HIGH PASS ON "passes" high frequencies
unwanted noise, such as rumble from heating systems,
LOW PASS ON "passes" low frequencies and
unwanted noise, such as wind, hums, clicks and
HIGH PASS ON and LOW PASS ON is
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go to next fi lter, e.; after last go to c.
Turn the Jog Wheel to tab to MIC EQ LO, HIGH

? appears in the display.

beginning of the same track
ues playback. Press the Play/Pause button to pause or
back. At the end of the fi le directory, the CDR420
button to pause or the Stop button
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until PRODUCT SETUP is displayed.

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press and release the Jog Wheel. SET DATE/

players (CDDA). PCM fi les are burned. MP3 fi les are
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before editing a track. That saves you time by not hav-
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until USER SETTINGS is displayed.
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until USER SETTINGS is displayed.
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appears. If REQ. CONFIRM is set to N go to 8c.

Formatting the HDD erases all the tracks
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The CDR420 automatically turns off.
Slide the POWER switch to turn on.
the time within the track (the
Navigate to an edit point. You can do your edit opera-
NOTE:: To exit, see How to Exit Edit Execute Mode on page 56.

the cursor advances across the graphic.
Navigation is complete when the cursor is at your
IN
OUT
REC
SELEC T
PUSH ENTER
POWER STANDBY
TREBLE
MID
BASS
FILE DIR INFO JUMP PHANTOM CD/HD
MARK UNDO REDO EDIT MENUUTILITY MENU
HD/CD RFECORDER CDR420
IN-OUT is displayed to indicate that IN and OUT
An OUT point marker appears in the graphic.
Play continues with the playback position indi-
SET MARK AS . . . is displayed and playback
Play continues with the playback position indi-
SET MARK AS . . . is displayed and play contin-

point set, from stop or pause, press and hold the EDIT
pint and stop at the OUT point.
Select the track (fi le) you wish to edit. Play the
the time within the track (at
Example navigation by playing to the approximate edit point

Press and release the Jog wheel.
moves the marked selection to a new
leaves the marked selection and cop-
removes (clears) the marked selection.

briefl y. The marked audio segment is pasted at
The example shows editing at pause. The click
Turn the Jog Wheel to tab through the choices:

NAME, GENRE, and COMMENTS.
play the name scrolls. If/when you replace all the
NAME, ARTIST, GENRE and COMMENTS.
The current tag is displayed with the fi rst charac-

present, and the Jog Wheel.
or forward through the tag
by pressing and releasing the Scrub Forward button
The CDR420 returns to step 5.
any time during tag edit-

ARE YOU SURE is displayed.
The CDR420 returns to idle mode.
button, NO VALID FILES is displayed.
_2 is added to the original's name, and edit name is
Then press and release the Jog Wheel.
The CDR420 returns to idle mode.

The bitrate is displayed in KBPS (Kilo Bytes Per
When correct, press and release the Jog Wheel.

update your CDR420 to the latest operating procedures
previous fi rmware versions.
If there is no new fi rmware on the CDR420 Hard
copy to CDR420 System folder
......................................................
CDR 420 does the rest, wait
The CDR420 switches to STANDBY MODE.
4. If a newer version of the fi rmware fi le is detected
On a CD the fi rmware fi le has to be in a folder
The CDR420 returns to idle mode.

IN
OUT
DIGITAL
MIX LINE
AUX
R
L
R
L
INOUT
OUT
DC IN
KEYB
I / 0
Press and release F1 during recording to enter a
Same as pressing the IN button on the CDR420.
Same as pressing the OUT button on the
Same as pressing the INFO button on the
Press and hold to work the same as the Fast Re-
Same as the Play/Pause button
Same as pressing the Stop button
Press and hold to work the same as the Fast For-
Press and release to work the same as turning the
Press and release to work the same as turning the
Press and release to work the same as the MARK
Press and release to work the same the REC but-

CD-R discs are only able to be recorded onto a
CD-R discs can be recognized by the following
CD-RW discs are able to be recorded onto many
CD-RW discs can be recognized by the following
use both Audio and Data discs. When using Data

paper or sticker to the label
When a disc has a piece of plastic tape or rental
power the display will switch to "BAD BATTERY"
battery system. It includes the RB4200 battery (also an
by sliding the POWER switch to the right.

a) Accidents, acts of nature, misuse, abuse, neglect or unau-
b) Improper installation, removal or maintenance, or failure
c) Repair or attempted repair by a non-Marantz authorized
d) Any shipment (claims must be presented to the carrier).
e) Any cause other than a defect of manufacturing.
by the warranty, we will pay return shipping charges to your