Sony DTC 690 User Manual
3-756-209-21(1)  
Operating Instructions  
DTC-690  
© 1993 by Sony Corporation  
Table of Contents  
Before using the DAT deck  
Playback  
Warning ............................................................................................ 2  
Digital audio tape ............................................................................ 3  
Precautions ...................................................................................... 4  
Features ........................................................................................... 4  
Location and function of controls .....................................................5  
Front panel/remote commander ................................................... 5  
Remote commander operation .....................................................9  
Installing batteries ....................................................................... 9  
Display window .......................................................................... 10  
Rear panel jacks ........................................................................ 14  
Connections................................................................................... 15  
Connecting cords ...................................................................... 15  
Connection examples ................................................................ 16  
Cassette loading ............................................................................ 18  
Playback ........................................................................................ 43  
Display window .......................................................................... 44  
Various playback operations ..........................................................45  
Repeat play................................................................................ 45  
Automatic music sensor operation ............................................. 46  
Music scan................................................................................. 47  
Designating the desired selection.............................................. 48  
Skip play .................................................................................... 49  
Auto play: restarting playback after rewinding .......................... 49  
Random music sensor (RMS) operation .................................... 50  
Timer activated operation...............................................................51  
Timer activated recording ..........................................................51  
Timer activated playback ...........................................................52  
Additional Information  
Recording  
Maintenance .................................................................................. 53  
Cleaning the cabinet ................................................................. 53  
Cleaning the head ..................................................................... 53  
Guide to the serial copy management system .............................. 54  
Troubleshooting guide .................................................................. 56  
Specifications ................................................................................ 59  
Before recording ............................................................................ 19  
Blank section and sound muted portion .................................... 19  
Absolute time codes .................................................................. 20  
Recording ...................................................................................... 21  
Recording level adjustment (for analog input signals only)....... 23  
Long-play mode......................................................................... 24  
Creating a sound muted portion (Record muting) ..................... 25  
End search................................................................................. 26  
Writing sub codes  
Sub codes ..................................................................................... 27  
Start ID ........................................................................................... 30  
Writing automatically during recording ...................................... 30  
Writing manually during recording ............................................. 31  
Writing manually during playback (Rehearsal function) ............ 32  
Adjusting the position ................................................................ 33  
Erasing ....................................................................................... 33  
Program numbers .......................................................................... 34  
Writing automatically during recording ...................................... 34  
Renumbering ............................................................................. 36  
Erasing ....................................................................................... 37  
Skip ID ........................................................................................... 38  
Writing during recording .............................................................38  
Writing during playback (Rehearsal function)............................ 38  
Erasing ....................................................................................... 39  
End ID ............................................................................................ 40  
Writing during recording .............................................................40  
Writing during playback (Rehearsal function)............................ 41  
Erasing ....................................................................................... 42  
Digital Audio Tape  
DAT (Digital Audio Tape) is a new recording system which  
digitalizes the audio signal and records it on a DAT cassette  
tape.  
DAT records the audio signal by converting the analog sound  
into a digital signal. This converting system is called the PCM  
(Pulse Code Modulation), and its accurate processing of the  
audio signal allows recording/playback with lower wow and  
flutter, wider dynamic range, lower distortion rate, and superb  
signal-to-noise ratio.  
In addition, various control codes calls sub codes can be written  
on the DAT cassette separately from the audio signal. They are  
written for a variety of convenient playback/tape editing  
operations, and except for the absolute time, can be rewritten  
after audio signal recording has been completed.  
3
Precautions  
Features  
On safety  
Serial copy management system (SCMS)  
This unit utilizes the serial copy management system that permits  
digital-to-digital recording for one generation. You can record CD  
sound or other digital formats through a digital-to-digital connection.  
(See page 54.)  
• Operate the unit only on 120 V AC, 60 Hz.  
• The unit is not disconnected from the AC power source (mains)  
as long as it is connected to the wall outlet, even if the unit itself  
has been turned off.  
• Should any solid object or liquid fall into the cabinet, unplug the  
unit and have it checked by qualified personnel before operating  
it any further.  
Three sampling frequencies  
Recording/playback can be done with three sampling frequencies  
• Unplug the unit from the wall outlet if it is not to be used for an  
extended period of time. To disconnect the cord, pull it out by  
grasping the plug. Never pull the cord itself.  
• AC power cord must be changed only at the qualified service  
shop.  
(48 kHz, 44.1 kHz and 32 kHz).  
48 kHz: For analog and digital input signals in a standard mode.  
44.1 kHz: For compact disc and pre-recorded DAT tape.  
32 kHz: For analog input signals in a long-play mode.  
Long play mode  
Operation  
This unit can operate in a long-play mode. Analog input signals can  
be recorded or playback for up to four consecutive hours when the  
DT-120 DAT cassette tape is used. The sampling frequency will be  
32 kHz in the long-play mode.  
Before making program source connections, be sure to unplug the  
unit.  
Installation  
Do not install the unit in a location near heat sources such as  
radiators or air ducts, or in a place subject to direct sunlight,  
excessive dust, mechanical vibration or shock.  
Visible cassette loading  
You can view the tape operation through the lid of the cassette  
compartment. Due to a revolutionary new transport mechanism,  
cassette loading time has been significantly reduced.  
Moisture Condensation  
If the unit is brought directly from a cold to a warm location,  
moisture may condense inside the unit. In this condition, the tape  
may adhere to the head drum and be damaged, or the unit may not  
operate correctly. Always remove the cassette when the unit will not  
be used.  
Excellent sound quality  
1-bit A/D converter  
For the A/D converter section which converts analog input signals  
to digital signals, the unit employs a 1-bit A/D converter which  
theoretically generates no zero-cross distortion for a clear, elegant  
sound quality.  
If moisture is present...  
• Function controls will not operate.  
• All operations will stop.  
Pulse D/A converter  
Superior playback performance is achieved with a pulse D/A  
converter.  
When the CAUTION indicator lights and the unit will not  
operate  
Leave the unit turned on for about an hour.  
Rich variety of subcode information  
This unit can record subcode information such as Start IDs,  
program numbers, Skip IDs, and absolute time data, enabling you  
to quickly locate tunes and display the playback time in the same  
manner as when playing compact discs.  
NOTE  
When closing the cassette compartment, do not push the cassette  
lid forcibly by hand, but perform with the 0OPEN/CLOSE button.  
Post edit recording of sub codes  
You can record or rewrite the following sub codes after the audio  
signal recording has been completed.  
Start ID: Signifies the beginning of a selection.  
For the customers in the U.S.A.  
For detailed safety precautions, see the “IMPORTANT  
SAFEGUARDS” leaflet.  
Program number: Gives a number to the selection.  
Skip ID: Signifies the beginning of a portion to be skipped.  
End ID: Signifies the end position of recording/playback.  
Since sub codes are written on the tape separately from audio  
signals, the audio signals are not affected.  
If you have any question or problem concerning your unit, please  
consult your nearest Sony dealer.  
4
Location and  
Function of Controls  
Refer to the pages indicated in parenthesis  
for details.  
A
Front Panel/Remote  
Commander Å  
1 POWER button  
Turns the power on and off.  
2 TIMER switch  
Normally set to the OFF position. When  
recording or playing back at the desired  
time using a commercially available  
audio timer, set to the REC position or  
the PLAY position respectively. (51)  
1 2  
3
4
5 6  
REC LEVEL  
5
ANALOG OPT COAXIAL  
INPUT  
L
R
4
6
POWER  
3 Cassette compartment  
3
1
7
9
LONG  
REC  
MODE  
STANDARD  
-ON –STANDBY  
REC OFF PLAY  
2
8
Insert a cassette with the window side  
up and the safety tab facing you. (18)  
TIMER  
0
10  
OPEN/CLOSE  
COUNTER MODE  
AUTO  
RENUMBER  
WRITE  
ERASE  
WRITE  
SKIP ID  
ERASE  
WRITE  
ERASE  
)
START ID  
END ID  
PHONES  
LEVEL  
AMS  
7
£
8
•
‡
$
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1
¡
PAUSE  
REC MUTE  
REC  
O
1O  
4 START ID buttons  
AUTO: Press to turn on and off the  
AUTO indicator. When the AUTO  
indicator is lit, the start ID will  
automatically be written during  
recording. When the AUTO indicator  
is not lit, press the START ID WRITE  
button at the point where you want to  
write a start ID. (30)  
WRITE: Press to write the start ID at the  
desired point during recording or  
playback. (31)  
ERASE: Press to erase a start ID. When  
a start ID and a program number are  
written on the tape, both codes are  
simultaneously erased by pressing  
this button. (33)  
RENUMBER: Press to renumber all  
programs on the tape. When only the  
start IDs are written, pressing this  
button will insert the proper program  
numbers beginning with “1”. The  
tape will rewind and start from the  
beginning to accomplish this  
function. (36)  
5 Display window  
6 SKIP ID buttons  
WRITE: Press at the beginning of the  
portion you may wish to skip later.  
A skip ID will be written from the  
point where you pressed this button.  
(38)  
ERASE: Press to erase the nearest skip  
ID which is before the current  
position. (39)  
5
Location and  
Function of Controls  
7 END ID buttons  
WRITE: Press to write the ID signifying  
the end of playback or recording. (40)  
ERASE: Press to erase the end ID. (42)  
A
8 Remote sensor  
Receives the signal from the remote  
commander.  
9 COUNTER MODE button  
Selects the display mode among the  
absolute time, remaining time to the end  
of whole tape and linear counter (tape  
running time). Each time you press the  
button, the display changes  
sequentially. (44)  
78 9pq  
RESET button (only with the remote  
commander)  
Resets the linear counter to “0M 00S”.  
(44)  
REC LEVEL  
ANALOG OPT COAXIAL  
INPUT  
L
R
5
4
6
POWER  
3
1
7
9
LONG  
STANDARD  
-ON –STANDBY  
PLAY  
REC  
MODE  
2
8
REC  
OFF  
TIMER  
0
10  
OPEN/CLOSE  
COUNTER MODE  
AUTO  
RENUMBER  
WRITE  
ERASE  
WRITE  
SKIP ID  
ERASE  
WRITE  
ERASE  
)
START ID  
END ID  
PHONES  
LEVEL  
AMS  
7
£
8
•
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$
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1
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PAUSE  
REC MUTE  
REC  
p INPUT selector  
O
1O  
Set according to the signal to be  
recorded.(21)  
ANALOG: For recording from the  
equipment connected to the LINE IN  
jacks.  
w
OPT: For recording from the  
equipment connected to the DIGITAL  
IN (OPTICAL) jack.  
COAXIAL: For recording from the  
equipment connected to the DIGITAL  
IN (COAXIAL) jack.  
COUNTER  
MODE RESET  
OPEN/  
CLOSE  
q REC MODE selector  
9
Normally set to the STANDARD position.  
When this selector is set to the LONG  
position, you can record analog input  
signals or digital signals with 32 kHz in  
the long-play mode. (21, 24)  
1
4
7
2
5
8
3
6
9
MUSIC  
SCAN  
0
CLEAR  
w REC LEVEL (recording level) controls  
Adjust the recording levels and balance  
for the analog input signals.  
DISPLAY MARGIN  
MODE RESET  
SKIP  
PLAY  
REPEAT  
1/ALL  
RMS  
CHECK ENTER  
The outer knob controls the L (left)  
channel level and the inner knob the R  
(right) channel level. The knobs can be  
adjusted together. To adjust each  
channel independently, turn the knob  
while holding the other knob.  
4
1
7
¢
¡
£
•
8
When recording digital signals, it is not  
necessary to adjust the recording  
levels. (21, 23)  
6
Location and  
Function of Controls  
e Tape operating buttons  
7 (stop): Press to stop recording or  
A
playback.  
3 (play): Press to start palyback or  
recording.  
8PAUSE (pause): Press to stop for a  
moment during recording or  
playback. To restart recording or  
playback, press this button again or  
press the 3 button.  
If the unit is left in the pause mode for  
about 10 minutes, it will automatically  
be released and the deck will enter  
the stop mode. To restart recording  
or playback from the stop mode,  
press the REC or 3 button  
respectively.  
4/¢ (AMS): Press to locate the  
beginning of the selection during  
playback or in the stop mode.  
1/¡ (rewind/review, fast-forward/  
cue): In the stop mode, press to rewind/  
fast-forward the tape.  
t
REC LEVEL  
5
ANALOG OPT COAXIAL  
INPUT  
L
R
4
6
POWER  
3
1
7
9
LONG  
STANDARD  
-ON –STANDBY  
PLAY  
REC  
MODE  
2
8
REC  
OFF  
TIMER  
0
10  
OPEN/CLOSE  
COUNTER MODE  
AUTO  
RENUMBER  
WRITE  
ERASE  
WRITE  
SKIP ID  
ERASE  
WRITE  
ERASE  
)
START ID  
END ID  
PHONES  
LEVEL  
AMS  
7
£
8
•
‡
$
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1
¡
PAUSE  
REC MUTE  
REC  
O
1O  
During playback, press to rewind or  
fast-forward the tape while listening  
to the sound.  
•REC MUTE (record muting): Inserts a  
sound-muted portion (space).  
REC (recording): Press to enter the  
record-pause mode. After pressing  
this button, press the 8pause or 3  
button.  
r
e
r PHONES jack and LEVEL control  
Insert the headphones plug to this jack  
and turn the control to adjust the  
headphones volume level. (43)  
COUNTER  
MODE RESET  
OPEN/  
CLOSE  
t
y
1
4
7
2
5
8
3
6
9
t 0OPEN/CLOSE button  
Press to open or close the cassette  
compartment. (18)  
MUSIC  
SCAN  
0
CLEAR  
This button does not function during  
recording or in the record muting mode.  
DISPLAY MARGIN  
MODE RESET  
SKIP  
PLAY  
y Numeric buttons (0–9) and CLEAR  
button  
REPEAT  
1/ALL  
RMS  
CHECK ENTER  
Designate the desired program number  
to be played back before starting  
playback. Designate the desired  
number in the record-pause mode, the  
program number is written  
4
1
7
¢
¡
£
•
8
e
consecutively from the designated  
number. (35)  
Press the CLEAR button to cancel the  
program number which has been  
mistakenly entered.  
7
Location and  
Function of Controls  
u DISPLAY MODE button  
Changes the display mode. (10)  
A
i MARGIN RESET button  
Press to reset the margin of peak level.  
"– –" appears at the MARGIN display.  
(23)  
COUNTER  
MODE RESET  
OPEN/  
CLOSE  
o REPEAT 1/ALL button  
Press to play a desired portion  
repeatedly. Each time you press the  
button, the indicatior changes as  
follows:  
1
4
7
2
5
8
3
6
9
REPEAT 1 = REPEAT ALL = off (45)  
MUSIC  
SCAN  
0
CLEAR  
; MUSIC SCAN button  
;
DISPLAY MARGIN  
MODE RESET  
SKIP  
PLAY  
Press to listen to the beginning of each  
selection successively. (47)  
u
i
o
a
s
REPEAT  
1/ALL  
RMS  
CHECK ENTER  
a SKIP PLAY button  
Press to activate the skip ID code  
function. The portion of the tape  
previously marked will be skipped. (49)  
4
1
7
¢
¡
£
•
8
s RMS play buttons  
ENTER: To program the selections in a  
desired order, press this button after  
pressing the numeric buttons. (50)  
CHECK: Press to check the  
programmed contents. (50)  
8
Location and  
Function of Controls  
Remote Commander Operation  
B
Each button on the remote commander  
functions in the same way as those having  
the same name on the front panel.  
However, the following operations cannot  
be performed using the remote  
commander. Use the front panel controls  
instead.  
• Turning the power on and off  
• Selecting digital(optical/coaxial)/analog  
input source  
• Adjusting the recording level and  
balance  
• Adjusting the headphones level  
• Setting the timer recording/playback  
• Selecting the record mode (standard or  
long)  
• Writing and erasing a start ID, skip ID  
and end ID.  
The following operations can be performed  
only with the remote commander.  
• Repeat play  
• Skip play  
• RMS* play  
*RMS: Random Music Sensor  
• Designating and canceling a program  
number.  
• Resetting the linear counter to "0 M 00S"  
• Resetting the margin of peak level.  
• Changing the display mode.  
Insert two size AA (R6) batteries with correct polarity, and close  
the lid.  
Installing Batteries ı  
Notes on remote control  
• Do not expose the remote sensor on the  
deck to strong light such as direct  
sunlight, lighting apparatus, etc.  
• Do not place any obstructions between  
the remote commander and the remote  
sensor, or else operations will not be  
performed correctly.  
• The controllable range is limited. Point  
the remote commander directly at the  
remote sensor on the deck.  
• When remote control operation distance  
becomes shorter, the batteries are weak.  
Replace both batteries with new ones.  
To avoid battery leakage  
When the commander will not be used for a  
long period of time, remove the batteries to  
avoid damage caused by battery leakage  
and corrosion.  
Battery life  
About half a year of normal operation can  
be expected when using the Sony SUM-3  
(NS) batteries.  
9
Location and  
Function of Controls  
Display Window Ç  
C
To turn off the display window  
When the power is turned on, the display  
window also is turned on. During recording  
or playback, all display or some parts of  
the display can be turned off as follows:  
(a)  
ABS TIME  
START ID  
AUTO  
PGM NO.  
OVER  
S
This operation can be performed only with  
the remote commander.  
Each time you press the DISPLAY MODE  
button, the display changes as follows:  
M
48 KHZ  
4
SKIP ID  
END ID  
–
dB  
L
60  
40  
30  
20  
12  
8
6
2
0
MARGIN  
dB  
R
Normal indicators (a)  
2
«
∞
Peak level meters and margin indicators  
go off. (b)  
(b)  
ABS TIME  
DISPLAY  
OFF  
START ID  
PGM NO.  
AUTO  
(The DISPLAY OFF indicator lights.)  
S
M
48 KHZ  
SKIP ID  
END ID  
∞
All the indicators go off during recording  
or playback*. (c)  
(The DISPLAY OFF AUTO indicator lights  
momentarily just before the indicators go  
off.)  
«
* When pressing the DISPLAY MODE  
button except during recording or  
playback, the DISPLAY OFF AUTO  
indicator lights. In this case, all the  
indicators go off immediately after  
recording or playback starts.  
(c)  
DISPLAY  
OFF AUTO  
To change the brightness of the  
display window  
While pressing the COUNTER MODE  
button, press one of the numeric buttons 1,  
2 and 3 on the remote commander. The  
greater number pressed, the darker the  
display window becomes.  
10  
Location and  
Function of Controls  
Fig. Î  
1 Tape operation indicators  
REC : Lights during recording or in the  
record-pause mode. Flashes in the  
record muting mode.  
D
3: Lights during recording or playback.  
It also lights in the record-pause, the  
play-pause mode or in the record  
muting mode.  
8: Lights in the record-pause mode or  
in the play-pause mode.  
2 LONG play mode indicator  
Lights when recording or playback is  
being performed in the long play mode.  
1 2  
3
4 5  
7
3 Time indicator  
Indicates the tape running time,  
absolute time or remaining time. Each  
time you press the COUNTER MODE  
button, the display is changed.  
When only the time display appears:  
Shows the tape running time.  
When the REMAINING (remaining time)  
indicator appears: Shows the remaining  
time of the tape.  
REC  
LONG  
ABS TIME  
REMAINING  
DISPLAY CAUTION  
OFF AUTO DIGITAL IN  
32 KHZ OPTICAL  
44.1 KHZ  
COAXIAL  
48 KHZ  
STEP MUSIC SCAN REPEAT 1  
START ID  
PGM NO.  
ALL  
RMS AMS  
SKIP  
SHIFT AUTO  
RENUMBER  
WRITE ERASE  
START ID  
SKIP ID  
S
M
H
SKIP ID  
WRITE ERASE  
END ID  
– dB  
60  
40  
30  
20  
12  
8
6
4
2
0
OVER  
REHEARSAL  
MARGIN  
L
S
dB WRITE ERASE  
R
When the ABS TIME (absolute time)  
indicator appears: Shows the elapsed  
time from the beginning of the tape.  
6
4 DISPLAY OFF/AUTO indicators  
The DISPLAY OFF indicator lights when  
peak level meters and margin indicators  
are turned off. The DISPLAY OFF AUTO  
indicator lights momentarily before all  
the indicators are turned off.  
5 CAUTION indicator  
Lights when moisture condensation  
occurs. If this happens, the deck stops  
functioning automatically. (4)  
6 INPUT selector indicators  
The DIGITAL IN OPTICAL or DIGITAL IN  
COAXIAL indicator lights according to  
the position of the INPUT selector. No  
indicator lights when the INPUT selector  
is set to the ANALOG position.  
7 STEP/PGM NO. indicator  
Shows the program number of the  
selection being played. When  
programming the desired selection with  
the RMS operation (50), the display  
shows the step number of the  
programmed selection.  
11  
Location and  
Function of Controls  
8 MUSIC SCAN indicator  
Lights after you press the MUSIC SCAN  
button to listen to the beginning of each  
selection successively.  
D
9 RMS (Random Music Sensor)/AMS  
(Automatic Music Sensor) indicators  
Show the number of selections to be  
skipped ahead or behind in the AMS  
operation. When designating a selection  
directly by the numeric button and the  
3 button, the display shows the  
program number of the target selection  
while the selection is being searched  
for. When programming the desired  
selections in the RMS operation (50),  
the display shows the program number  
of the selection to be programmed.  
8 9pq w  
p REPEAT indicators  
REC  
LONG  
ABS TIME  
REMAINING  
DISPLAY CAUTION  
OFF AUTO DIGITAL IN  
32 KHZ OPTICAL  
44.1 KHZ  
COAXIAL  
48 KHZ  
STEP MUSIC SCAN REPEAT 1  
START ID  
PGM NO.  
ALL  
RMS AMS  
SKIP  
REPEAT 1: Lights when a desired  
selection is played back repeatedly.  
REPEAT ALL: Lights when all the  
selections are played back  
repeatedly.  
SHIFT AUTO  
RENUMBER  
WRITE ERASE  
START ID  
SKIP ID  
S
M
H
SKIP ID  
WRITE ERASE  
END ID  
– dB  
60  
40  
30  
20  
12  
8
6
4
2
0
OVER  
REHEARSAL  
MARGIN  
L
S
dB WRITE ERASE  
R
q SKIP indicator  
When this indicator is lit during  
playback, the portion marked by the  
skip ID is skipped and playback  
continues from the next start ID.  
w START ID mode indicators  
AUTO: Lights when the AUTO button is  
pressed to write the start ID  
automatically.  
WRITE: Lights when writing the start ID  
manually.  
ERASE: Lights when erasing the start  
ID.  
AUTO RENUMBER: Lights when  
renumbering program numbers  
automatically.  
SHIFT RENUMBER: Lights when shifting  
the start ID and program number  
position.  
12  
Location and  
Function of Controls  
e Sampling frequency indicator  
48 kHz: Lights when recording or  
playing back analog input signals  
(standard mode).  
D
44.1 kHz: Lights when recording or  
playing back a CD or a pre-recorded  
DAT cassette tape.  
32 kHz: Lights when recording or  
playing back analog input signals  
(long-play mode).  
r START ID indicator  
Flashes when writing (for 9 or 18  
seconds) or erasing a start ID code,  
and lights when the start ID is detected  
during playback.  
r
e
SKIP ID indicator  
Lights when writing (for 1 or 2 seconds)  
or erasing a skip ID code or when the  
skip ID is detected during playback.  
REC  
LONG  
ABS TIME  
REMAINING  
DISPLAY CAUTION  
STEP MUSIC SCAN REPEAT 1  
START ID  
OFF AUTO DIGITAL IN  
PGM NO.  
ALL  
RMS AMS  
SKIP  
SHIFT AUTO  
RENUMBER  
WRITE ERASE  
32 KHZ OPTICAL  
44.1 KHZ  
COAXIAL  
48 KHZ  
START ID  
SKIP ID  
t SKIP ID mode indicator  
S
M
H
SKIP ID  
WRITE ERASE  
END ID  
WRITE: Lights when writing the skip ID.  
ERASE: Lights when erasing the skip ID.  
– dB  
60  
40  
30  
20  
12  
8
6
4
2
0
OVER  
REHEARSAL  
MARGIN  
L
S
dB WRITE ERASE  
R
y END ID mode indicator  
WRITE: Lights when writing the end ID.  
ERASE: Lights when erasing the end ID.  
t
y
o
i
u
u MARGIN indicator  
Shows how much margin there is  
between the peak level of input audio  
signal and 0 dB.  
i REHEARSAL indicator  
Lights while the rehearsal function is  
activated (32).  
o Peak level meters  
Indicate the signal levels during  
playback and recording. There are  
separate meters for each left and right  
channel. These meters have a peak  
hold function which indicates the peak  
level momentarily.  
13  
Location and  
Function of Controls  
Rear Panel Jacks ‰  
E
1 LINE IN (line input) jacks (phono jack)  
Connect to the recording outputs of an  
amplifier. Signals supplied by the  
amplifier can be recorded using the  
sampling frequency of 48 kHz in the  
standard play mode or 32 kHz in the  
long play mode.  
2 LINE OUT (line output) jacks (phono  
jack)  
Connect to the DAT or tape inputs of an  
amplifier. The playback signal of this  
deck will be output.  
LINE IN LINE OUT  
DIGITAL IN/OUT  
COAXIAL OPTICAL  
IN IN OUT  
3 COAXIAL/OPTICAL DIGITAL IN (digital  
input) jacks (coaxial phono jack/optical  
jack)  
L
L
R
R
Connect to the digital outputs of an  
amplifier having a built-in D/A converter  
or other digital source, such as a CD  
player for digital-to-digital recording.  
1 2  
3 4  
4 OPTICAL DIGITAL OUT (digital output)  
jack (optical jack)  
Connect to the digital inputs of an  
amplifier having a built-in D/A converter  
or another DAT deck, for playback of a  
DAT cassette or digital-to-digital  
recording.  
Notes on connection  
• Use the connecting cords specified in  
the illustrations.  
• Turn off the power for all equipments  
before making connections.  
• Be sure to insert the plugs firmly into the  
jacks. Loose connections may cause  
hum and noise. When unplugging, grasp  
the plug and not the cord.  
Note on sound signals  
When connecting an optical cable to the  
DIGITAL IN/DIGITAL OUT jacks, sound  
signals (L/R) are transmitted together  
through the cable.  
14  
Connections  
Connecting Cords  
A
B
There are following three types of  
connecting jacks at the rear of the deck.  
Each type of jack requires a different type  
of connecting cord.  
L
L
R
R
For LINE IN/OUT (analog input/  
output) jacks Å  
Use the supplied or an optional audio  
signal connecting cord such as RK-  
C710HS, RK-C715HS, RK-C910ES, RK-  
C915ES etc.  
LINE OUT  
LINE IN  
Note  
COAXIAL IN  
COAXIAL  
OUT  
Red plugs and jacks are for the right  
channel (R) and white ones for the left  
channel (L).  
For COAXIAL IN (digital input) jacks  
ı
Use an optional coaxial connecting cord  
such as VMC-1ES, VMC-10ES etc.  
For OPTICAL IN/OUT (optical  
transmission digital input/output)  
jacks Ç  
Use an optional optical cable such as  
POC-15, POC-10HS etc.  
C
D
OPTICAL OUT  
OPTICAL IN  
How to connect the optical cable Î  
Remove the cap and plug it in firmly.  
Notes on the optical cable  
• Do not bend the cord. When the cord is  
not used, curl it  
with a diameter of more than 15 cm (5 7/8  
inches).  
• Do not use it under high temperatures.  
• When the optical cable is not connected,  
cover the OPTICAL IN/OUT jacks with  
the supplied caps.  
]
15  
Connections  
: Analog signal  
Connection Examples  
: Digital signal (coaxial cable or optical cable)  
: Signal flow  
If your amplifier is not equipped  
with digital signal jacks  
a) CD player  
b)DAT deck  
c) Amplifier  
d)to a wall outlet  
A)When recording via digital-to-digital  
connection, connect a DAT deck (the  
digital input) to DIGITAL OUT OPTICAL  
of the DTC-690.  
B)When recording via digital-to-digital  
connection, connect the sound source  
equipment (the digital output) to  
DIGITAL IN (COAXIAL or OPTICAL) of  
the DTC-690.  
a)  
DIGITAL OUT  
LINE OUT  
CD  
When connecting a microphone  
Connecting a stereo microphone amplifier  
(the analog output) to LINE IN of the DTC-  
690.  
b)  
DIGITAL OUT  
LINE OUT  
Note  
If “PROH” appears on the display,  
recording via digital-to-digital connection  
cannot be performed.  
TAPE, etc.  
In this case, connect the sound source  
equipment using LINE IN and OUT jacks.  
c)  
DIGITAL IN  
B)  
B)  
A)  
TAPE  
REC OUT  
DTC-690  
LINE IN  
LINE OUT  
ITAL IN/OUT  
COAXIA
IN  
OPTICAL  
IN  
OUT  
L
L
R
R
d)  
16  
Connections  
If your amplifier is equipped with  
digital signal jacks  
: Analog signal  
: Digital signal (coaxial cable or optical cable)  
: Signal flow  
a) CD player  
b)DAT deck  
c) Amplifier  
d)to a wall outlet  
Note  
If “PROH” appears on the display,  
recording via digital-to-digital connection  
cannot be performed.  
In this case, connect the sound source  
equipment using LINE IN and OUT jacks.  
a)  
DIGITAL OUT  
b)  
DIGITAL OUT  
DIGITAL IN  
LINE IN  
LINE OUT  
REC OUT  
TAPE, etc.  
DIGITAL  
IN  
c)  
DIGITAL  
REC OUT  
DIGITAL IN  
DIGITAL  
REC  
OUT  
DIGITAL IN  
REC TAPE  
OUT  
DTC-690  
LINE IN  
LINE OUT  
DIGITAL IN/T  
OAXIAL  
IN  
OPTICAL  
IN  
T  
L
L
R
R
d)  
17  
Cassette  
Loading  
1 Turn on the power.  
3
1
2 Press 0OPEN/CLOSE.  
The  
indicator appears on the  
display.  
)
7
£
8
3 Insert the cassette.  
A)Insert the cassette beyond the silver  
line.  
$
›
1
¡
•
B)Tab facing fowards you.  
C)Window side up.  
2, 4  
4 Press 0OPEN/CLOSE.  
The  
indicator appears on the  
display.  
1
2
3
POWER  
To remove the cassette  
Press 0OPEN/CLOSE.  
On a digital audio tape  
Only the digital audio tape made  
especially for DAT deck is required.  
Unlike a conventional analog audio  
cassette tape, a digital audio tape can be  
used only one side.  
• Digital audio tape is designed to avoid a  
dust. Do not open the inside of the tape.  
• The hole at the back of a tape is a  
detector slot. Do not cover the slot.  
OPEN/CLOSE  
)
Notes  
• When you turn on the power, the 8  
indicator flashes for a moment in the  
display window. During this period, no  
buttons other than the 0OPEN/CLOSE  
and 3 buttons are operative. Wait until  
flashing stops and the 8 indicator goes  
off.  
C)  
A)  
• When inserting the cassette, do not push  
the cassette compartment closed. Be  
sure to use the 0OPEN/CLOSE button.  
B)  
On the sampling frequency  
When a cassette is inserted and a source  
program is played back, the sampling  
frequency (48 kHz, 44.1 kHz or 32 kHz) of  
the source program appears in the display  
window.  
OPEN/CLOSE  
4
)
To prevent accidental erasure Å  
When a recording is made, any previously  
recorded signal will be erased  
automatically. To prevent accidental  
erasure, set the safety tab to the position  
shown in the illustration. With the hole  
open, rewriting sub codes cannot be  
performed.  
A
A)Recording is impossible (with the hole  
open).  
B)Recording is possible (with the hole  
covered).  
A)  
B)  
18  
Before  
Recording  
Blank Section and Sound  
Muted Portion  
With conventional analog audio tapes, the  
tape portion on which no recording ever  
has been made and the portion on which a  
recording has been made but the sound is  
muted are treated the same, since no  
sound can be heard from these portions.  
However, with DAT cassette, you should  
know that the two kinds of “no sound”  
portions must definitely be distinguished  
one from the other.  
Blank section Å  
Means the portion on which no recording  
ever has been applied.  
A)Blank section  
R : Recording  
S : Selection  
A
B
R
S
R
S
R
S
R
S
Sound muted portion ı  
Means the portion on which a recording  
has been applied but that no audible  
sound is recorded.  
A)Sound muted section  
R : Recording  
A)  
S : Selection  
Important  
R
When recording, be certain that no blank  
section is left on the tape. If blank sections  
remain on the tape, search operations  
using the AMS buttons, for example, may  
take quite a long time or the absolute time  
is not written correctly.  
S
S
S
S
Difference between the blank  
section and sound-muted portion  
When you record, a track format is  
A)  
constructed on the recorded area, even if  
the sound is muted during recording. On  
the blank section, since no recording is  
applied, there is no track format.  
19  
Before  
Recording  
Absolute Time Codes Ç  
C
The absolute time indicates the position of  
the tape, giving the time elapsed from the  
beginning.  
A)ABS time  
B)the position being playing back  
C)selection  
The absolute time codes correctly written  
on the tape can be used in various  
convenient ways during playback.  
B)  
A)  
C)  
C)  
C)  
C)  
C)  
Recording absolute time codes  
When you record, the absolute time codes  
are also written automatically from the  
beginning of the tape.  
Once the absolute time codes are  
recorded, it cannot be re-written. With the  
absolute time, you can check the elapsed  
time from the beginning of the tape.  
Note, however, that the absolute time  
codes are not written if you start recording  
from the middle of blank section. No blank  
sections should be left on the tape when  
recording.  
Tips for recording:  
• To insert silence between selections, use  
the record muting function (page 25). Do  
not advance the tape with the ¡ or 3  
button.  
• To start recording from the middle of the  
tape, use the end search function (page  
26) to locate the beginning of the blank  
section. This will avoid leaving a blank  
section.  
If a blank section is left on the tape  
If you start recording from the middle of a  
blank section, the absolute time codes are  
not recorded, since the DAT deck can no  
longer count the absolute time from the  
beginning of the tape.  
20  
Recording  
1 Make sure that the TIMER switch is  
set to the OFF position, and turn on  
the power.  
8
6
1
7 4  
2 Insert a cassette and press the  
0OPEN/CLOSE button to load the  
cassette (Page 18).  
)
7
£
8
$
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1
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•
3 Locate the position at which you want  
to start recording.  
To start recording from the beginning of  
the tape, press the 1 button. (Press  
the 1 button again, the "TOP"  
indicator will appear at the beginning of  
the tape.)  
To start from the middle of the tape,  
locate the point immediately before the  
blank section with the end search  
function (Page 26).  
2
10  
3
5
PLAY  
REC  
OFF  
POWER  
1
2
\
TIMER  
4 Set the INPUT selector to ANALOG,  
OPT or COAXIAL depending upon  
your sound source.  
OPEN/CLOSE  
)
5 Press the REC button.  
REC , 3 and 8 indicators light on the  
display, and the deck enters the record-  
pause mode. The sampling frequency  
to be applied for recording appears.  
If the digital copy prohibit signal is  
written on the codes of the sound  
source, the PROH indicator appears  
on the display and signifies that you  
cannot record that source with the  
digital-to-digital connection. In this  
case, use the analog-to-analog  
connection.  
1
¡
3
4
ANALOG OPT COAXIAL  
INPUT  
6 When recording the analog input  
signal, adjust the recording level and  
balance with the REC LEVEL controls  
respectively (Page 23).  
REC  
5
6
7
No recording level adjustment is  
required when recording the digital  
input signal.  
REC LEVEL  
L
R
7 Set the REC MODE selector.  
When recording in the long play mode  
or standard mode, set the REC MODE  
selector to the LONG or STANDARD  
position respectively (Page 24).  
5
4
6
7
3
2
8
1
9
10  
0
8 When writing start ID automatically  
during recording, make sure that the  
AUTO indicator is lit.  
STANDARD  
LONG  
REC  
MODE  
If not, press the START ID AUTO button  
(Page 30).  
9 When designating the program  
number, press the desired numeric  
button (Page 35).  
8
10  
3
When recording from the beginning of  
the tape, the program number will be  
assigned automatically from 1.  
The program number is also written at  
the same position as the start ID.  
PAUSE  
Press the 8PAUSE or 3 (play) button.  
The 8 indicator goes off, and recording  
starts.  
10  
21  
Recording  
Note on the recording from the  
beginning of the tape  
When you start recording from the  
beginning of the tape, create a 4 second-  
muted portion by using record muting  
function (Page 25). Otherwise, when  
locating the first selection with the 4 or 1  
button, the first portion of the first selection  
may not be played back.  
REC  
LEVEL  
INPUT  
To stop recording  
Press the 7 button.  
To stop recording for a moment  
Press the 8PAUSE button.  
When you press the •REC MUTE button,  
the deck will enter the record-pause mode  
automatically.  
)
7
£
8
$
›
1
¡
•
To release pause and restart  
recording  
Press the 8PAUSE or 3 button.  
Note on the 0OPEN/CLOSE button  
The 0OPEN/CLOSE button does not  
function during recording or in the record  
muting mode. So, when removing the  
cassette tape, press the 7 button to stop  
recording and then press the 0OPEN/  
CLOSE button.  
)OPEN CLOSE  
7
8PAUSE  
•REC MUTE  
If recording cannot be made  
Check the following:  
• The safety tab of the cassette is not set  
to the record-possible position. (Page  
18.)  
• No cassette is loaded.  
• The INPUT selector is set to the incorrect  
position.  
• Tape is fully rewound to the end.  
• The output level of the playback  
equipment is too low.  
• The digital copy prohibit signal is written  
in the codes of the sound source you  
want to record. (The PROH indicator  
appears on the display.)  
• The REC LEVEL controls are set to the 0  
position. (Only when recording the  
analog input signal.)  
Note on the INPUT selector and the  
REC MODE selector  
Do not change the position of these  
selectors after recording starts.  
If the cassette is ejected after it has  
been loaded  
Check to see if the cassette is inserted  
correctly. (Page 18.)  
When the tape is recorded to the  
end  
The tape is rewound to the beginning and  
stops automatically. (Auto rewind function)  
The auto rewind function is not applied  
when the TIMER switch is set to the REC  
position.  
Accuracy of the electronic linear  
time counter  
The linear time counter provided with this  
unit is not a clock.  
The time indicated by the counter may  
differ slightly from the actual recording/  
playback time.  
22  
Recording  
If the unit is left in the record-pause  
mode for more than 10 minutes  
during digital recording  
The record-pause mode will be released  
automatically, and the unit will enter the  
stop mode. (The "-DA" indicator appears  
on the display.) In this case, press the  
REC to set the unit to record-pause  
mode.  
If the cable is disconnected or the  
program source is intermitted, the  
digital input signal will be  
interrupted during digital recording  
The OPTICAL and 8 or COAXIAL and 8  
indicators flash and the unit will enter  
record-pause mode. (For about 10  
minutes) If the digital signal is input again  
in this period, the unit will enter recording  
mode automatically.  
A
Recording level adjustment (for  
analog input signals only) Å  
The peak level meters have a peak hold  
function which indicates the peak level of  
the analog input signal momentarily. The  
MARGIN indicator shows how much  
margin there is between the peak level of  
the input audio signal and 0 dB. Whenever  
a signal having a higher level than the  
displayed one is input, the new level  
replaces the lower one on the MARGIN  
indicator.  
Should not light.  
Margin  
– dB  
L
60  
40  
30  
20  
12  
8
6
4
2
0
OVER  
MARGIN  
dB  
R
Peak level  
Turn the REC LEVEL controls so that the  
“OVER” segments do not light, even at the  
highest level.  
To reset the margin  
Press the MARGIN RESET button. The  
margin will become “- -”.  
If the level exceeds 0 dB  
REC LEVEL  
L
R
The “OVER” segments light in red, and “0.0  
5
4
dB” flashes.  
6
If “OVER” lights steadily, lower the  
recording level so that the peak level meter  
lights between –12 dB (w) and 0 dB to  
avoid sound distortion.  
7
3
2
8
1
9
10  
0
If you keep adjusting the recording  
level with the unit in the record-  
pause mode  
If the unit is left in the record-pause mode  
for more than 10 minutes, the record-pause  
mode will be released automatically, and  
the unit will enter the stop mode.  
The levels of the input audio signals  
appear even in the stop mode, and you  
can continue to adjust the recording level.  
(The "AD-DA" indicator appears on the  
display.)  
In the above case, press the REC button  
again to set the unit to record-pause mode.  
23  
Recording  
Long-play mode ı  
B
According to the input signal, recording/  
playback in the long-play mode can be  
performed as follows.  
Recording mode  
(position of the REC  
MODE selector)  
LONG  
STANDARD  
Input signal  
STANDARD  
LONG  
REC  
MODE  
standard  
play  
(48 kHz)  
Analog input  
signal  
long play  
(32 kHz)  
standard  
play  
(32 kHz)  
Digital input  
signal  
32 kHz*  
long play  
(32 kHz)  
standard  
play (the  
same as  
Digital input  
signal  
44.1 kHz, 48  
kHz*  
standard  
play  
(the same as  
input signal)  
input signal)  
(
): sampling frequency  
The digital input signal on 44.1 kHz or 48  
kHz cannot be recorded/played back in the  
long play mode, even if the REC MODE  
selector is set to the LONG position.  
* Digitally recorded analog input signal  
with a sampling frequency of 32 kHz or  
48 kHz can be recorded via digital-to  
digital connection.  
The longest recording period at  
each mode  
The longest recording  
period  
Mode  
Cassette  
standard  
2h  
long  
4h  
DT-120  
DT-90  
DT-60  
1h 30m  
1h  
3h  
2h  
(h: hour, m: minute)  
The timer counter in the long-play  
mode  
Tape running time, absolute time and total  
remaining of the tape appears, based on  
those in the standard mode. To obtain the  
actual time, double each value.  
24  
Recording  
Creating a Sound Muted  
Portion (Record Muting)  
)
7
£
8
$
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1
¡
•
1 During recording or record-pause  
mode, press the •REC MUTE button  
where a sound muted portion is  
required.  
2
1
The REC indicator flashes and the  
record muting is activated. After about  
4 seconds, the REC indicator shows a  
steady light, and the 8 indicator lights.  
The deck enters the record-pause  
mode.  
1
2
•
REC MUTE  
2 To resume recording, press the  
8PAUSE or 3 (play) button.  
Recording resumes.  
Using sound muted portion  
If you intend to dub the DAT cassette onto  
an analog cassette tape, we recommend  
that you insert sound muted portions  
between selections on the DAT cassette.  
This will ensure that the AMS function of the  
analog cassette deck works correctly for  
the recorded tape.  
8
3
PAUSE  
Note  
With DAT deck, the AMS function is  
realized by using the start ID code. (Page  
29.)  
Caution  
To place a space on a DAT cassette, you  
must not advance the tape with the ¡ or  
3 button. If a space is created this way, no  
absolute time code will be recorded on the  
succeeding area, and you cannot check  
the elapsed time of the tape.  
To create a sound muted portion of  
more than 4 seconds  
Keep the •REC MUTE button pressed for  
as long as you want to make a recorded  
portion with no signals. After about 4  
seconds, the REC indicator flashes  
rapidly. When you release the •REC MUTE  
button, the deck enters the record-pause  
mode.  
The interval between selections is  
indicated at the MARGIN display.  
To create a sound muted portion of less  
than 4 seconds  
Press the •REC MUTE button, and then  
the 8PAUSE button while the REC  
indicator is flashing.  
To start recording in the record muting  
mode  
Press the REC button while the REC  
indicator is flashing.  
25  
Recording  
End Search  
)
7
£
8
If the previous recording was applied to the  
middle of the tape, you must locate exactly  
the last point of the recorded area, and  
start the new recording from this point. This  
will prevent leaving a blank section on the  
tape.  
$
›
1
¡
•
¡
•
If you want space between the last  
recording and the new recording, use the  
•REC MUTE button to mute the sound.  
Press ¡.  
1
¡
The last point of the previous recording  
(the beginning of the blank section or the  
beginning of the end ID*) is located, and  
the tape stops. When the end ID is  
detected, the "EE" indicator lights at the  
PGM. NO display.  
When new recording is made from the  
position where the end ID is written, the  
end ID is erased automatically.  
Lights  
PGM NO.  
AMS  
Note  
If the point where you pressed the ¡  
button is blank, the end search operation  
will not function.  
S
M
48 KHZ  
When the end ID is written before a  
blank section Ç  
The end search operation stops at the  
beginning of this end ID as described in  
Fig Ç.  
A)Selection  
C
B)Blank  
C)The position at which the end ID stops.  
D)End ID  
A
A
A
B
Note on the duration of a blank  
section  
The blank section must last for more than 9  
seconds for the end search operation to  
function correctly.  
5
5
D
C
With the new cassette tape which no  
recording is made, the tape will advance to  
the end.  
26  
Sub Codes  
In addition to the ordinary audio signals,  
various control codes called sub codes  
can be recorded on the DAT cassette  
tapes to ease recording and reproducing  
operation. Å  
A
A)The sub codes are recorded.  
B)Audio signals are recorded.  
DAT cassette tape  
A desired selection can be called up or  
time information can be displayed using  
the sub codes, for example.  
The sub codes such as start ID, program  
number, skip ID, end ID and absolute time  
are available on this unit.  
A)  
• Sub codes are written on the tape  
separately from the audio signals, so the  
audio signals are not affected.  
• Sub codes, except the absolute time,  
can be rewritten after the audio signal  
recording has been completed.  
The recorded audio signals are not  
affected by the rewritten sub codes.  
• When you record the tape with sub  
codes written onto a new tape via digital-  
to-digital connection, the sub codes to  
be written on the new tape are following:  
B)  
The same as the codes written  
on the original tape.  
Start IDs  
Skip IDs  
The same as the codes written  
on the original tape.  
New ones will be written  
according to the DAT deck you  
use.  
Program  
Numbers  
New ones will be written.  
Absolute  
time  
The one written on the original  
tape will not be written.  
End ID  
When you use analog-to-analog  
connection, no sub codes on the original  
tape will be written onto a new tape. New  
codes will be written according to the DAT  
deck you use.  
27  
Sub Codes  
Start ID ı  
B
C
D
This signal indicates the start of a music  
selection. You can locate the position of the  
start ID precisely. This signal should be  
written at the beginning of the selection.  
A)Selection  
A)  
A)  
A)  
A)  
A)  
A)  
A)  
B)Start ID  
B)  
Program number Ç  
This signal gives a number to selection.  
You can record it where the start ID is  
written. By designating this number, you  
can choose the desired selection directly  
or program selections in a desired order.  
A)Selection  
A)  
B)Program number  
Skip ID Î  
B)  
This signal can be marked on the selection  
wherever you wish. When the SKIP  
indicator is lit during playback, the deck  
will skip at high speed from where the skip  
ID is marked to the next start ID, and then  
playback will start again. Record this skip  
ID at the beginning of portion you want to  
skip.  
A)  
A)Selection  
B)Skip ID  
C)Skip to the next start ID.  
D)Start ID  
B)  
C)  
D)  
End ID ‰  
This signal indicates the end position of a  
recording.  
1)  
When you do not want to listen to the very  
end of a tape, record the end ID at the  
beginning of the portion you do not want to  
play. When the end ID is detected during  
playback, playback stops and the tape is  
rewound to the beginning automatically.  
A)Selection  
E
1)  
A)  
A)  
C)  
B)  
B)When the end ID is detected, during  
playback, the tape is automatically  
rewound to the beginning.  
C)End ID  
28  
Sub Codes  
2)  
When recording new material on a  
recorded tape, you can write an end ID at  
the end of the re-recorded portion. This will  
help you easily find the position to start  
recording the next time when you want to  
record other material onto the same tape.  
A)Selection  
B)Blank  
C)Recorded tape  
D)When recording new material onto  
the same tape.  
E)End ID  
E
2)  
B)  
A)  
A)  
A)  
A)  
A)  
C)  
D)  
A)  
A)  
A)  
F) Portion where you have not made a  
second recording (This first recording  
has not be erased.)  
E)  
F)  
3)  
When an end ID which has been written is  
detected during locating selections or  
rehearsal playback of start ID or skip ID,  
the unit stops at the beginning of the end  
ID.  
3)  
A)  
A)  
A)  
A)Selection  
B)End ID  
C)The position at which the tape stops.  
B)  
Absolute time  
C)  
The absolute time indicates the position of  
the tape, giving the time elapsed from the  
beginning. The absolute time is recorded  
automatically at the same time the audio  
signal is recorded. It cannot be re-  
recorded. The absolute time allows you to  
confirm the elapsed time from the  
beginning of the tape.  
When using the sub codes  
Things that can  
be done  
Required sub  
code(s)  
Locating a  
selection (AMS  
function)  
Start ID  
Listening to the  
first portion of  
selections  
Start ID  
sequentially (Music  
Scan)  
Choosing a  
selection directly  
Start ID/Program  
number  
Programming  
Start ID/Program  
number  
desired selections  
in a desired order  
(RMS play)  
Skipping the  
portion not desired  
Skip ID/Start ID  
End ID  
Looking for the  
position at which  
the recording or  
playback ends  
29  
Start ID  
The start ID indicates the beginning of  
each selection.  
You can start playback from the start ID  
position. (Page 28.)  
1
There are three ways to write start ID:  
• Writing automatically during recording  
• Writing manually at the desired position  
during recording  
)
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• Writing manually at the desired position  
during playback  
2
2
Note  
While the start ID is being written, all  
buttons except the 7 button are not  
operative.  
1
2
AUTO  
STAT ID  
Writing Automatically during  
Recording  
1
Make sure that the AUTO indicator  
is lit. If it is not, press the START ID  
AUTO button.  
8
REC  
When turning on the power and  
inserting a cassette with its safety tab  
at the record-possible position, the  
AUTO indicator lights automatically.  
In timer recording, this indicator will  
be the same as the one before the  
power is turned off. Start IDs will be  
recorded automatically when the  
AUTO indicator lights.  
3
PAUSE  
\
2
To start recording, press the REC  
button, then press the 8PAUSE or  
3 (play) button.  
When the non-signal level lasts for  
more than 3 seconds and a selection  
then starts, the start ID is written  
automatically for 9 seconds (18  
seconds in the long-play mode). The  
program number is also written  
simultaneously. (Page 34.)  
While a start ID is being written, the  
START ID indicator flashes on the  
display.  
30  
Start ID  
Why 9 seconds or 18 seconds are  
1 3  
necessary for writing a start ID ?  
A start ID requires 9 or 18 seconds to allow  
to be detected when rewinding/fast-  
forwarding a tape. (The speed is 200 times  
as fast as that of normal tape operation.)  
After the start ID is located, the tape  
returns to the beginning of the start ID if  
necessary, and playback starts from the  
beginning of the selection.  
)
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2
2
If the signal level stays very low for  
more than 3 seconds  
If there is a portion of very low volume level  
during a selection, a start ID may be written  
even in the middle of the selection. An  
unwanted start ID can be erased later.  
(See page 33).  
1
2
3
AUTO  
STAT ID  
When the portion between  
selections is not clear  
The start ID position may not coincide  
exactly to the beginning of the selection.  
To shift the start ID position, see "Shifting  
Start IDs' and Program Numbers Position"  
on page 37.  
8
REC  
3
PAUSE  
\
Illustration of writing a start ID Å  
a)Selection  
b)Start ID  
c)Particular level  
d)More than 3 seconds  
When recording from a CD player  
If the auto space function is available with  
your CD player, activate this function to  
ensure that the start IDs are written  
correctly.  
WRITE  
STAT ID  
Writing Manually during  
Recording  
A
1
Make sure that the AUTO indicator  
is off.  
If it is not, press the START ID AUTO  
button to turn it off.  
a)  
a)  
b)  
c)  
2
3
To start recording, press the REC  
button, then press the 8PAUSE or  
3 (play) button.  
d)  
At the desired position, press the  
START ID WRITE button.  
The WRITE indicator lights.  
The start ID is written for 9 seconds  
(18 seconds in the long-play mode)  
from the point where you pressed the  
START ID WRITE button. While a start  
ID is being written, the START ID  
indicator flashes.  
31  
Start ID  
Writing Manually during  
Playback (Rehearsal Function)  
1, 3  
During playback, start ID can be written at  
the desired position more accurately than  
during recording.  
)
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Make sure that the safety tab of the  
cassette is closed.  
1
2
3
Press the 3 button to start  
1
2
playback. At the desired position,  
press the START ID WRITE button.  
The REHEARSAL indicator lights and  
the WRITE and START ID indicators  
flash, and the position for 3 seconds  
from the point where you pressed the  
START ID WRITE button is played  
back repeatedly (rehearsal function).  
The beginning of the repeated portion  
will be the beginning of the start ID.  
1
2
3
WRITE  
STAT ID  
3
\
Press the 1 or ¡ button to  
adjust the “repeat start” point.  
The “repeat start” point is shifted  
backward with the 1 button or  
forward with the ¡ button by about  
0.3 of a second.  
The indicator at the MARGIN display  
shows how much the “repeat start”  
point is shifted from the point where  
you pressed the START ID WRITE  
button.  
1
¡
After setting the beginning of the  
start ID at the desired point, press  
the START ID WRITE button again.  
The WRITE indicator lights steadily  
and the start ID is written. The  
program number is not written in this  
time.  
START ID  
START ID  
WRITE  
WRITE  
STAT ID  
SKIP ID  
REHEARSAL  
S
a) When you pressed ¡ twice.  
END ID  
Note on the point where a start ID is  
written Å  
During the rehearsal function, a start ID is  
written at the beginning of the repeated  
portion as illustrated.  
a)  
a) Point where you pressed START ID  
WRITE  
b)Repeated portion (for 3 seconds)  
c) Selection  
d)Each time you press 1  
e) Each time you press ¡  
f) 0.3 sec.  
A
a)  
b)  
e)  
∞
c)  
c)  
Normally, the repeated portion is played  
back 5 times.  
d)  
When the 1 or ¡ button is pressed  
while the repeated portion is played back,  
the repeated portion is played back up to 8  
times max, and then the tape stops.  
f)  
f)  
32  
Start ID  
Adjusting the Position  
START ID ERASE  
The position of a start ID written during  
recording or by using the rehearsal  
function can be finely adjusted.  
)
You can shift the start ID position about 2  
seconds (about 4 seconds in the long-play  
mode) backward or forward. To shift it for  
more than 2 seconds, first erase the start  
ID (see below) and rewrite it manually.  
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1
During playback, press the START  
ID WRITE button where the start ID  
to be shifted is written.  
2
Perform steps 2 and 3 described,  
“Writing Manually during  
Playback.”  
ERASE  
START ID  
STAT ID  
START ID  
ERASE  
Erasing  
While the start ID you want to erase  
appears on the display during  
playback or in the stop mode, press  
the START ID ERASE button.  
Make sure that the safety tab of the  
cassette is closed.  
That start ID is erased.  
The ERASE indicator flashes while the start  
ID is detected. While the start ID is being  
erased, the ERASE indicator lights and the  
START ID indicator flashes.  
If you press the START ID ERASE  
button during the stop mode or  
while the START ID indicator is not  
on the display  
The start ID just before the current position  
is erased.  
When a start ID is erased  
If a program number is also written with the  
start ID, the program number will be  
erased as well at the same time and the  
succeeding program number remain  
unchanged. In this case, re-arrange the  
program number with the renumbering  
function. (Page 36.)  
33  
Program  
Numbers  
Program numbers are the codes indicating  
the selection order. (Page 28.)  
There are two ways to write program  
numbers:  
1
• Writing automatically during recording  
• Renumbering automatically during  
playback or in the stop mode  
(Renumbering function)  
)
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Writing Automatically during  
Recording  
2
2
When you proceed so that start IDs are  
written automatically during recording, the  
program numbers are also written.  
1
2
AUTO  
STAT ID  
Writing program numbers from the  
beginning of the tape  
1
Make sure that the AUTO indicator  
is lit. If it is not lit, press the  
START ID AUTO button.  
When turning on the power and  
inserting a cassette with its safety tab  
at the record-possible position, the  
AUTO indicator lights. In timer  
recording, the AUTO indicator will be  
the same as the one before the power  
is turned off.  
8
REC  
3
PAUSE  
\
2
To start recording, press the REC  
button, then press the 8PAUSE or  
3 (play) button.  
The program numbers will be written  
in numerical order from “1” at the  
same position as the start IDs.  
The START ID indicator flashes while  
the start ID is written for about 9  
seconds (18 seconds in the long-play  
mode).  
34  
Program  
Numbers  
Writing program numbers from the  
middle of the tape  
2
1
To locate the last point of the  
previous recording, using the end  
search function. (Ppage 26)  
)
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It is important to proceed with the end  
search function in order not to leave a  
blank section on the tape.  
5
1
3
4
2
Make sure that the AUTO indicator  
is lit. If it is not lit, press the  
START ID AUTO button.  
When turning on the power and  
inserting a cassette with its safety tab  
at the record-possible position, the  
AUTO indicator lights.  
In timer recording, the AUTO  
indicator will be the same as the one  
before the power is turned off.  
1
¡
1
2
3
4
3
4
Press the REC button to set the  
deck in the record-pause mode.  
AUTO  
STAT ID  
Designate the next program  
number (the number that follows  
the program number of the last  
selection) with the numeric button  
on the remote commander.  
If you are not aware of the program  
number, press the 4 button to  
check the last program number (After  
checking the program number, locate  
the last point of the previous  
recording, using the end search  
function.)  
REC  
RM-D690A  
1
2
3
If the program number of the last  
selection appears at the PGM NO.  
display  
4
¢
4
5
6
7
8
0
9
you need not to designate the next  
number.  
a) Next program number  
If the next program number is not  
designated  
The start IDs will be written, but the  
program numbers will not.  
PGM NO.  
You can write the program numbers  
using the renumbering function  
described on the next page.  
a)  
5
Press the 8PAUSE or 3 (play)  
button.  
The program numbers are written  
consecutively, beginning from the  
designated number at the same  
position as the start ID.  
5
8
3
PAUSE  
35  
Program  
Numbers  
Renumbering  
12  
If you record from the beginning to the  
middle of a tape on which another  
recording has ever been applied, the same  
program number may be written twice on  
that tape.  
)
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If you omit designating the next program  
number when recording from the middle of  
the tape, the succeeding program  
numbers are not written.  
In such cases, with the renumbering  
function, you can renumber the program  
numbers from the beginning of the tape at  
a high speed.  
1
2
AUTO  
STAT ID  
Renumbering Program Numbers  
Automatically  
1
2
Make sure that the AUTO indicator  
is lit, and that the safety tab of the  
cassette is at the record-possible  
position.  
If the AUTO indicator is not lit, press  
the START ID AUTO button.  
RENUMBER  
STAT ID  
Press the RENUMBER button  
during playback or in the stop  
mode.  
The tape will automatically be  
rewound to the beginning, and the  
program numbers are re-arranged  
from “1” in numerical order at each  
start ID position.  
While the program numbers are  
rewritten, the START ID indicator  
flashes and while the tape is fast-  
forwarded to the next start ID, the  
AUTO RENUMBER indicator flashes.  
When program numbers are written  
correctly, the tape is fast-forwarded  
to the next start ID.  
When renumbering is terminated  
The tape is automatically rewound to the  
beginning, and the deck enters stop mode.  
Note  
The renumbering function may not work  
correctly in the following cases:  
• A blank section is left on the tape.  
• The beginning of the new tape is  
advanced with the ¡ or 3 button.  
36  
Program  
Numbers  
Shifting Start IDs’ and Program  
Numbers Position  
12  
The start ID position may not coincide  
exactly to the beginning of the selection,  
especially when the portion between  
selections is not clear. On such a tape, the  
very beginning of the selection cannot be  
located using the AMS function. If this  
happens, you can shift the start ID and  
program number position, however, you  
cannot shift the position of the program  
number 1.  
)
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1
Make sure that the AUTO indicator  
is off, and that the safety tab of the  
cassette is at the record-possible  
position.  
If the AUTO indicator is lit, press the  
START ID AUTO button to turn off the  
indicator.  
1
2
START ID  
AUTO  
STAT ID  
2
Press the RENUMBER button  
during playback or in the stop  
mode.  
The start ID and program number  
position of the 2nd selection and the  
succeeding selections, will be shifted  
toward the head of the tape by about  
0.3 of a second.  
START ID  
SHIFT  
RENUMBER  
RENUMBER  
STAT ID  
SKIP ID  
END ID  
When program numbers are written  
incorrectly, the renumber function  
operates.  
Erasing  
Make sure that the safety tab of the  
cassette is closed.  
During playback, press the START ID  
ERASE button while the program  
number to be erased appears on the  
display.  
That program number is erased. The start  
ID at the same position will also be erased.  
The ERASE indicator flashes while the  
program number is being searched for,  
and the START ID indicator flashes while  
the program number is being erased.  
When the program number is  
erased  
Playback continues. The succeeding  
program numbers remain unchanged. To  
re-arrange the program numbers,  
renumber them as described on page 36.  
37  
Skip ID  
The skip ID indicates the beginning of the  
portion to be skipped.  
When the skip ID is detected during  
playback, the tape skips to the next start ID  
position, and the normal playback  
resumes. (SKIP play) (Page 28.)  
1, 3  
)
You can write the skip ID during recording  
or write more accurately during playback.  
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Writing during Recording  
2
Press the SKIP ID WRITE button at the  
beginning of the portion you want to  
skip later.  
The SKIP ID and WRITE indicators light  
momentarily.  
The skip ID is written for about 1 second (2  
seconds in the long-play mode) from where  
you pressed the button.  
1
2
3
WRITE  
SKIID  
Writing during Playback  
(Rehearsal Function)  
During playback, skip ID can be written at  
the desired position more accurately than  
during recording. Make sure that the  
safety tab of the cassette is closed.  
1
¡
1
2
3
During playback, press the SKIP ID  
WRITE button at the desired  
position.  
The REHEARSAL indicator lights and  
the WRITE indicator flashes, and the  
portion for 3 seconds to the point  
where you pressed the SKIP ID  
WRITE button, is played back  
repeatedly (rehearsal function).  
The end of the repeated portion will  
be the beginning of the skip ID.  
START ID  
SKIP ID  
REHEARSAL  
WRITE  
END ID  
WRITE  
SKIP ID  
S
Press the 1 or ¡ button to  
adjust the “repeat end” point.  
The “repeat end” point shifted  
backward with the 1 button or  
forward with the ¡ button by 0.3 of  
a second.  
The indicator at the MARGIN shows  
how much the “repeat end” point is  
shifted from the point where you  
pressed SKIP ID WRITE.  
a)  
a) When you pressed 1 twice.  
After setting the beginning of the  
skip ID at the desired point, press  
the SKIP ID WRITE button again.  
The SKIP ID indicator lights, and the  
skip ID is written.  
38  
Skip ID  
Note on the point where a skip ID is  
A
written Å  
During the rehearsal function, a skip ID will  
be written at the end of the repeated  
portion as illustrated.  
a) Repeated portion  
a)  
b)  
b)Point where you pressed SKIP ID WRITE  
c) Selection  
d)3 seconds  
∞
c)  
c)  
e) Skip ID (1second)  
f) Each time you press ¡  
g)0.3 sec.  
e)  
d)  
h)Each time you press 1  
f)  
g)  
Normally, the repeated portion is played  
back 5 times.  
g)  
h)  
When the 1 or ¡ button is pressed  
while the repeated portion is played back,  
the repeated portion is played back up to 8  
times, and then the tape stops.  
Erasing  
Make sure that the safety tab of the  
cassette is closed.  
SKIP ID ERASE  
During playback or in the stop mode,  
press the SKIP ID ERASE button  
immediately after the skip ID to be  
erased (immediately after the SKIP ID  
indicator appears).  
)
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The tape is rewound to the nearest skip ID  
position and the skip ID is erased.  
The ERASE indicator lights while the skip ID  
is being searched for and goes off when  
the skip ID is erased.  
Precaution  
START ID  
SKIP ID  
When the skip ID and the start ID are  
overwritten, the skip ID will also be erased  
if the start ID is erased.  
ERASE  
SKIID  
ERASE  
END ID  
ID to be erased Operation  
Start ID, skip ID Press the START ID  
ERASE button.  
Skip ID  
Press the SKIP ID  
ERASE button.  
39  
End ID  
The end ID indicates the last position of the  
recording or playback. While recording on  
the same tape has been done several  
times, you can locate the point where the  
previous recording terminates quickly by  
using the end ID.  
2
)
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When the end ID is detected during  
playback, the playback stops and the tape  
is rewound to the beginning automatically.  
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3
1
1, 3  
Writing during Recording  
1
Press the 8PAUSE or •REC MUTE  
button to stop recording.  
1
2
3
•
8
When pressing the 8PAUSE button:  
The deck enters the record-pause  
mode.  
When pressing the •REC MUTE  
button: The deck enters the record-  
pause mode after a sound muted  
portion is created for 4 seconds.  
REC MUTE  
PAUSE  
START ID  
2
3
Press the END ID WRITE button.  
The END ID WRITE indicator lights.  
WRITE  
ENID  
SKIP ID  
END ID  
Press the 8PAUSE or 3 (play)  
button to release the record-pause  
mode.  
The "EE" indicator appears on the  
display.  
The end ID is written for about 9  
seconds (18 seconds in the long-play  
mode). Tape returns to the beginning  
of the end ID after the end ID is  
written.  
WRITE  
8
3
PAUSE  
After you write an end ID  
The portion after the end ID position cannot  
be played back. (The "EE" indicator  
appears at the PGM NO. display.)  
Erase the end ID (page 42) where you want  
to play back the portion after the end ID  
position.  
PGM NO.  
40  
End ID  
1, 3  
Writing during Playback  
(Rehearsal Function)  
• During playback, no end ID can be  
written on a blank section.  
• To write the end ID just before a blank  
section with the end search function,  
perform "Writing during Recording"  
described above.  
)
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2
• Make sure that the safety tab of the  
cassette is closed.  
1
During playback, press END ID  
WRITE at the desired position.  
The REHEARSAL indicator lights and  
the WRITE indicator flashes, and the  
portion for 3 seconds to the point  
where you pressed the END ID  
WRITE button, is played back  
1
2
3
WRITE  
ENID  
repeatedly (rehearsal function).  
The end of the repeated portion will  
be the beginning of the end ID.  
2
Press the 1 or ¡ button to  
adjust the “repeat end” point.  
The “repeat end point is shifted  
backward with the 1 button or  
forward with the ¡ button by 0.3 of  
a second.  
The indicator at the MARGIN display  
shows how much the “repeat end”  
point is shifted from the point where  
you pressed the END ID WRITE  
button.  
1
¡
START ID  
SKIP ID  
END ID  
a) When you pressed ¡ twice  
WRITE  
ENID  
REHEARSAL  
S
WRITE  
3
After setting the beginning of the  
end ID at the desired point, press  
the END ID WRITE button again.  
The "EE" and WRITE indicators light,  
and an end ID is written.  
a)  
41  
End ID  
Note on the point where an end ID is  
written Å  
a) b)  
A
During rehearsal function, an end ID is  
written at the end of the repeated portion as  
illustrated.  
a) Repeated portion  
b)Point where you pressed END ID WRITE  
c) Selection  
∞
c)  
c)  
d)  
e)  
d)3 seconds  
e) End ID (9 seconds)  
f) Each time you press ¡  
g)0.3 sec.  
h)Each time you press 1  
f)  
g)  
g)  
h)  
Normally, the repeated portion is played  
back 5 times.  
When the 1 or ¡ button is pressed  
while the repeated portion is played back,  
the repeated portion is played back up to 8  
times, and then tape stops.  
Note  
When recording is finished in the middle of  
a tape, be sure to write the end ID at the  
end of the last selection.  
Erasing  
2
Make sure that the safety tab of the  
cassette is closed.  
)
1
Search for the beginning of the end  
ID with the ¡ button. (Page 26.)  
When the end ID is detected, the "EE"  
indicator lights.  
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1
2
Press the END ID ERASE button.  
The END ID ERASE indicator lights  
while the end ID is being searched for  
and then goes off when the end ID is  
erased.  
1
1
¡
Note  
When recording from the point where the  
end ID is written, the end ID is erased  
automatically.  
2
ERASE  
ENID  
42  
Playback  
1
Make sure that the TIMER switch is  
set to the OFF position, and then  
turn on the power.  
1
2
3
Insert the cassette and press the  
0OPEN/CLOSE button to load the  
cassette.  
)
7
£
8
$
›
1
¡
•
Press the 3 (play) button.  
Playback begins.  
2
3
If an end ID is written on the tape or a  
blank section of more than 9 seconds  
is detected, playback stops  
automatically at the end ID position,  
and the tape will be rewound to the  
beginning.  
PLAY  
REC  
OFF  
1
2
3
POWER  
TIMER  
\
To stop playback  
Press the 7 button.  
To stop playback for a moment  
Press the 8PAUSE button.  
To release pause and restart  
playback  
Press the 8PAUSE or 3 (play) button.  
To remove the cassette  
Press the 0OPEN/CLOSE button.  
To rewind or fast-forward the tape  
Stop the tape and press the 1 or ¡  
button.  
To advance the tape (cue) with  
hearing the tape sound*  
Press the ¡ button during playback.  
To rewind the tape (review) with  
OPEN/CLOSE  
)
hearing the tape sound*  
3
Press the 1 button during playback.  
* Sound is heard while the button is  
pressed. Release the button at the  
desired point. Playback resumes.  
The speed of the tape increases about 4  
seconds after the cue or review starts.  
On the volume adjustment  
Compared with the analog audio cassette  
tape, a digital audio tape contains less  
tape hiss noise. So be sure to turn down  
the volume before playback.  
Adjusting the headphones volume  
Use the LEVEL control.  
When the tape is played back to its  
end  
The tape will be rewound to the beginning  
and stop automatically.  
If tape noise exists, or sound quality  
has deteriorated  
The head may be contaminated. Clean the  
head, using a cleaning cassette (See page  
53).  
43  
Playback  
Display Window Å  
A
Each time you press COUNTER MODE, the  
counter changes as follows.  
a) Absolute time  
ABS TIME  
b)Remaining time to the end of the whole  
tape (not to the end of the recorded  
portion)*  
a)  
S
M
c) Linear counter (tape running time)  
* When playing back a pre-recorded tape  
(software), remaining time to the end of  
the recorded portion appears.  
Notes  
• At the beginning of the tape, “ ” may  
appear and immediately go off at the  
PGM NO. indicator position depending  
on some types of pre-recorded tapes.  
(“ ” stands for “beginning”.)  
• To reset the counter to 0M 00S, press  
COUNTER RESET on the remote  
commander.  
COUNTER MODE  
Remaining time does not appear in  
the following cases  
REMAINING  
• Immediately after the deck is set in the  
playback mode.  
b)  
S
M
H
The remaining time will appear about 16  
seconds (in the standard-play mode)  
later.  
• When playback is started from a blank  
section (page 19), the remaining time  
may not appear. Press the 1 or 4  
button.  
COUNTER MODE  
Accuracy of the indicator for the  
remaining time  
This unit indicates the remaining time by  
referring the thickness of the tape. So the  
remaining time may differ from the actual  
remaining time according to the type of  
tape.  
c)  
S
M
44  
Various Playback  
Operations  
Repeat Play  
These functions can be performed only  
with the remote commander.  
Playing a Selection Repeatedly  
Press the REPEAT 1/ALL button on the  
remote commander while the desired  
selection is played back.  
REPEAT 1/ALL  
The REPEAT 1 indicator appears.  
After the selection is played back, the tape  
is rewound to the beginning of that  
selection automatically, and the playback  
is repeated.  
To stop playing a selection  
repeatedly and return to the normal  
playback  
Press the REPEAT 1/ALL button twice.  
The REPEAT indicator goes off.  
Note on the end of the repeated portion  
during the REPEAT 1 play  
The tape is rewound to the beginning of  
the selection to be repeated when one of  
the following is detected.  
• Start ID of the next selection  
• A blank section of more than 9 seconds  
• End of the tape or end ID  
• Skip ID with SKIP play activated  
Playing all selections repeatedly  
During playback, press the REPEAT 1/  
ALL button until the REPEAT ALL  
indicator appears on the display.  
After the tape is played back to the end, it  
is rewound to the beginning and the  
playback of all selections is repeated. In  
the RMS play (page 50), all the selections  
programmed are played back repeatedly.  
To stop playing all selections  
repeatedly and return to the normal  
playback  
Press the REPEAT 1/ALL button once.  
The REPEAT indicator goes off.  
Note on the end of the repeated  
portion during the REPEAT ALL  
play  
The tape is rewound to the beginning of  
the tape when one of the following is  
detected.  
• End of the tape or end ID  
• A blank section of more than 9 seconds  
Number of times to be repeated  
The selection to be repeated will be played  
back 5 times, and then the tape will stop.  
45  
Various Playback  
Operations  
Automatic Music Sensor  
Operation  
A
When you press the 4 or ¢ button  
during playback or in the stop mode,  
playback will start from the beginning of  
the desired selection.  
When it is pressed in the pause mode, the  
deck enters the pause mode at the  
beginning of the designated selection.  
Press the 8PAUSE or 3 (play) button to  
resume playback.  
AMS  
PGM NO  
PGM NO  
1
¡
a)  
For this operation, the start ID codes must  
be written on the tape.  
For how to write the start ID, see page 30.  
To locate the selection ahead  
Press the ¢ button. Each pressing  
advances the tape to the next selection in  
sequence.  
Example Å  
B
To designate five selections ahead, press  
the ¢ button five times.  
a) The number of time you pressed ¢ is  
displayed  
AMS  
PGM NO  
PGM NO  
a)  
When the designated selection is located,  
playback resumes.  
1
¡
To locate the previous selection  
Press the 4 button. Each pressing  
moves the tape to the previous selection in  
sequence.  
Example ı  
To designate three selection back  
(excluding the selection being played),  
press the 4 button four times.  
a) The number of time you pressed 4 is  
displayed  
When the designated selection is located,  
playback resumes. The display returns to  
the counter display.  
When designating the selection being  
played back by pressing 4 once, "–0"  
appears.  
You can designate a selection by  
pressing the numeric buttons, instead of  
pressing the 4 or ¢ button several  
times. In this case, press the 4 or ¢  
button after pressing the numeric  
buttons.  
46  
Various Playback  
Operations  
Music Scan  
With the this function, you can listen to the  
first part of each selection.  
You can designate the scan time up to 15  
seconds in steps of a second. The scan  
time is 8 seconds if the scan time is not  
desingated. (The designated time remains  
memorized even if you turn off the unit.)  
For this operation, the start ID codes must  
be written on the tape. For how to write the  
start ID codes, see page 30.  
1
2
This operation can be performed only with  
the remote commander.  
1
In the stop mode*, press the MUSIC  
SCAN button.  
The MUSIC SCAN indicator flashes  
and the designated scan time is  
indicated at the MARGIN display.  
To designate the scan time, press the  
1 or ¡ button while the scan time  
is indicated at the MARGIN display.  
1
2
MUSIC SCAN  
MUSIC  
SCAN  
MARGIN  
2
Press the 3 (play) button.  
S
The tape is rewound to the beginning,  
the first part of each selection (start  
ID position) is played back for the  
time you designated sequentially.  
The 3 and START ID indicators light  
during playback.  
3
When you press the 4/¢ button  
instead of the 3 (play) button  
The nearest start ID before/after the  
current position is detected and, after  
playing back the first part of that  
selection for the time you designated,  
the next start ID in the reverse/  
forward direction is located.  
This operation continues until the end  
of the tape.  
* When the MUSIC SCAN is pressed  
during playback, the tape is rewound to  
the beginning and the music scan starts  
automatically.  
47  
Various Playback  
Operations  
To listen to the beginning of a  
selection for more than the  
designated time  
Press the 3 (play) button while the  
selection you want to listen to is played  
back.  
While pressing the 3 button, the  
countdown at the MARGIN display stops,  
and the playback of that selection  
continues.  
1
2
To listen to an entire selection  
Press the MUSIC SCAN button while the  
selection you want to listen to is played  
back.  
The music scan function is released, and  
the playback of that selection continues.  
Designating the Desired  
Selection  
1
4
2
5
3
6
PGM NO  
1
2
By designating the desired program  
number, you can listen to the desired  
selections directly.  
For this operation, the selections must be  
numbered by the program numbers.  
For how to write the program number, see  
page 34.  
7
8
0
9
a)  
b)  
This operation can be performed only with  
the remote commander.  
1
Designate the desired program  
number with the numeric  
button(s)*.  
a)Current program number  
b)Designated program number  
PGM NO  
AMS  
2
Press the 3 (play) button.  
The designated selection is searched  
for at high speed and playback starts  
from the beginning of that selection.  
a) Displayed number is advanced to  
the designated number one by one.  
b)Goes off.  
3
PGM NO  
* When you press the numeric button(s)  
during play-pause mode, the deck enters  
the pause mode at the beginning of the  
designated selection. Press the 8PAUSE  
or 3 button to resume playback.  
a)  
b)  
If an incorrect number is designated  
Before pressing the 3 button, press the  
CLEAR button.  
The displayed program number will be  
cleared. Then designate the correct  
program number.  
Once the 3 button is pressed, it is  
impossible to cancel the designated  
selection.  
48  
Various Playback  
Operations  
Skip Play  
With this function, you can skip the  
undesired selection which the skip ID is  
written and listen to the only desired one.  
For this operation, the skip ID code(s) must  
be written on the tape.  
SKIP PLAY  
Press the SKIP PLAY button.  
The SKIP indicator lights.  
During playback, the tape skips to the next  
start ID position automatically when a skip  
ID is detected, and the playback resumes.  
To release the SKIP play mode  
Press the SKIP PLAY button to turn off the  
SKIP indicator.  
Auto Play: Restarting Playback  
after Rewinding  
SKIP  
PLAY  
While pressing the 1 button, press the 3  
button.  
The tape is rewound to the beginning, and  
playback starts automatically.  
Notes  
• If the above operation is done  
immediately after the cassette is  
inserted, the auto play operation does  
not function. In this case, press the 3  
button a few seconds after the 1  
button is pressed.  
• The setting of the skip play and repeat  
play remains even if the power is turned  
on/off.  
49  
Various Playback  
Operations  
Random Music Sensor (RMS)  
Operation  
1
The RMS function allows you to program  
the desired selections in the desired order.  
For the operation, program numbers must  
be written on the tape.  
CLEAR  
2
4
This operation can be performed only with  
the remote commander.  
CHECK  
7
1
Designate the desired selection by  
pressing the numeric button(s) in  
the stop mode.  
The selection numbers can be  
specified from 1 to 99.  
a) Lights  
2
Press the ENTER button.  
a) Indicates the playing order.  
b)The RMS indicator lights after  
programming the first selection.  
1
4
2
5
3
6
1
AMS  
PGM NO  
7
8
0
9
3
4
Repeat step 1 and 2.  
A maximum of 60 selections can be  
programmed.  
a)  
Press the 3 (play) button.  
The programmed selections are  
played back in the designated order.  
To stop RMS play  
Press the 7 button.  
To check the programmed  
selections  
Press the CHECK button on the remote  
commander. Each time you press the  
CHECK button, the programmed selections  
appear in the designated order.  
STEP  
2
4
ENTER  
RMS  
To add a selection to the program  
Once the RMS play starts, you cannot add  
a selection. To add a selection, first stop  
the RMS play, and program new  
selection(s) by following the procedure  
described above.  
b)  
a)  
3
To delete the selection you  
programmed last  
Press the CLEAR button.  
However, when checking the programmed  
selection, the CLEAR button cannot be  
used.  
To cancel the entire program  
In the stop mode: Press the 7 button once.  
In the RMS play mode: Press the 7 button  
twice.  
The program is also erased when the  
power is turned off.  
50  
Timer Activated Operation  
Use a commercially available audio timer  
to activate recording or playback at a  
desired time.  
4 2  
Read the operating instructions for the  
timer and the amplifier.  
)
7
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1
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•
Timer Activated Recording  
To the AC outlet  
Amplifier  
1
2
Turn on the timer.  
Turn on the DAT deck, and prepare  
for recording. (Follow steps of  
"recording" on page 21.)  
«
3
4
Set the timer to the desired time.  
Power to the amplifier and to the DAT  
deck is turned off. Leave the power  
switches of the equipment turned on.  
To the AC outlet  
Set TIMER to REC.  
At the preset time, the power is  
supplied and recording starts after  
about 4 seconds.  
The AUTO indicator will be the same  
as the one before the power of the  
DAT deck is turned off.  
«
Timer  
1, 3  
When the AUTO indicator lights, start  
IDs will be written during recording.  
When timer activated recording is  
finished  
Be sure to set the TIMER switch to the OFF  
4
REC  
OFF PLAY  
position.  
TIMER  
Precautions  
• If the TIMER switch is left at the REC  
position, recording will start when the  
power is turned on the next time, and the  
tape contents will be erased.  
• In timer recording (the TIMER switch is  
set to the REC position), the auto rewind  
function will not be activated even if the  
tape is fully taken up. The tape stops  
without being rewound so that recording  
will not be performed over the previously  
recorded material.  
• Be sure to activate timer recording with  
the cassette inserted properly in the  
cassette compartment. With the  
cassette compartment lid opened, timer  
recording will not function.  
51  
Timer Activated Operation  
4 2  
Timer Activated Playback  
1
Turn on the timer.  
)
7
£
8
$
›
1
¡
•
2
Turn on the DAT deck, and insert  
the cassette.  
To the AC outlet  
Amplifier  
3
Set the timer to the desired time.  
Power to the amplifier and to the DAT  
deck is turned off. Leave the power  
switches of the equipment turned on.  
«
«
4
Set the TIMER switch to the PLAY  
position.  
At the preset time, the power is  
supplied and playback starts after  
about 4 seconds.  
To the AC outlet  
When timer activated playback is  
finished  
Normally set the TIMER switch to the OFF  
position.  
If you want to start playback at the preset  
time every day automatically, leave the  
TIMER switch to the PLAY position.  
Timer  
1, 3  
4
REC  
OFF PLAY  
TIMER  
52  
Maintenance  
Cleaning the Cabinet  
Clean the cabinet, panels and controls with  
a soft cloth slightly moistened with a mild  
detergent solution. Do not use any type of  
abrasive and, scouring powder or solvent  
such as alcohol or benzine.  
Cleaning the Head  
Prolonged operation will cause  
contamination of the head.  
To make the best possible recording and  
playback, we recommend cleaning the  
head periodically, using the DT-10CL  
cleaning cassette (not supplied).  
How to use the cleaning cassette  
1 Insert the cleaning cassette as you insert  
a normal DAT cassette.  
2 Press 3. Press 7 after about 10  
seconds.  
3 Remove the cleaning cassette without  
rewinding it.  
4 Proceed with recording and playback  
with a normal DAT cassette and check  
the sound quality.  
Notes on the cleaning cassette  
• The cleaning cassette cannot be used  
for recording and playback.  
• Do not clean the head with the cleaning  
cassette more than five times over a  
short period.  
Cleaning the head continuously for a too  
long period of time may cause wear to  
the head.  
• Do not rewind the cleaning cassette  
each time you use it. When the cleaning  
cassette tape is taken up completely,  
rewind it to the beginning and re-use it.  
The cleaning cassette can be used two  
hundred times, with 10 seconds of  
cleaning each time.  
53  
Guide to the Serial Copy Management System  
This digital audio tape deck adopts the Serial Copy Management System. This system enables one generation of  
digital recording of prerecorded software via digital input/output. A summary of this system is as follows:  
1
You can record a compact disc to a digital audio tape via digital input/output. But you cannot record the recorded tape to  
another via digital input/output.  
Compact disc player  
DAT deck  
Coaxial digital cable  
or  
Optical digital cable  
Digital input/output  
First generation tape  
recorded via digital input/output  
DAT deck (recording)  
DAT deck (playback)  
Coaxial digital cable  
or  
Optical digital cable  
Digital input/output  
(Recording is possible when connected via  
analog input/output.)  
54  
2
You can record a digital audio tape recorded via analog input/output to another via digital input/output. But, you cannot make a  
second generation tape via digital input/output.  
Turntable  
DAT deck  
Tuner  
Analog input/output  
Microphone amplifier  
Tape recorded via analog input/output  
DAT deck  
(playback)  
DAT deck (recording)  
Coaxial digital cable  
or  
Optical digital cable  
Digital input/output  
First generation tape  
recorded via digital input/output  
DAT deck  
(playback)  
DAT deck (recording)  
Coaxial digital cable  
or  
Digital input/output  
Optical digital cable  
(Recording is possible when connected via  
analog input/output.)  
Remarks  
There are no restrictions for generation when DAT decks are connected via analog input/output each other.  
These rules does not apply when you use a DAT deck which does not adopt the Serial Copy Management System.  
55  
Troubleshooting Guide  
Basic Operation  
Symptom  
Cause  
Remedy  
The tape is ejected after being loaded.  
The tape does not move.  
The cassette is inserted incorrectly.  
Insert the cassette correctly. (page 18)  
For 4 seconds after the power is turned on,  
the buttons do not function.  
Wait until the blinking of the 8 indicator  
goes off and then try again.  
The 8PAUSE button is activated. (The 8  
indicator lights.)  
Press the 8PAUSE button to release pause.  
The tape is wound completely.  
Incorrect connections.  
Press the 1 or 4 button to rewind.  
The sound is not heard.  
Connect properly. (pages 15 to 17)  
Incorrect operation of the connected  
amplifier.  
Operate the amplifier as required by the  
deck operation. (Refer to the operating  
instructions of the amplifier.)  
Recording cannot be made.  
The safety tab of the cassette is open.  
Incorrect position of the INPUT selector.  
Close the tab of the cassette. (page 18)  
Set the INPUT selector correctly.  
When recording sound from the equipment  
connected to the COAXIAL IN or OPTICAL  
IN jack, set the INPUT selector to the  
COAXIAL or OPT position respectively.  
When recording sound from the equipment  
connected to the LINE IN jacks, set to the  
ANALOG position.  
The digital copy prohibit signal exists in the  
source signal input to the digital input jack.  
Connect the source equipment to the LINE  
IN jacks.  
The 0OPEN/CLOSE does not function.  
The 0OPEN/CLOSE does not function  
during recording.  
Press 7 to stop recording and then press  
0OPEN/CLOSE.  
The sound is not heard from the recorded  
tape.  
When recording analog input signals, the  
recording level is turned down completely.  
(When recording the analog input signal)  
Adjust the recording level by using the  
REC LEVEL control. (page 23)  
The CAUTION indicator lights, and no  
button does function.  
Moisture condenses inside the unit.  
Leave the unit turned on for about an hour.  
(page 4)  
Defective or damaged cassette is inserted.  
Remove the cassette.  
The cassette is removed forcibly from the  
cassette compartment.  
Turn off the unit and then turn on again.  
56  
Sub Code Operation  
Symptom  
Cause  
Remedy  
Sub codes cannot be written.  
Insert a cassette tape with its safety tab at  
the record-impossible position.  
Insert a cassette tape with its safety tab at  
the record-possible position. (Page 18)  
Start ID cannot be written during recording.  
A new start ID cannot be written within 9  
seconds (18 seconds in the long-play  
mode) from the end of another start ID.  
Leave at least 9 seconds (18 seconds in  
the long-play mode) from the end of  
another start ID.  
Search function does not operate during  
playback.  
The start ID is not written correctly.  
Erase it (page 33), and then write it again.  
The portion between the end of a start ID  
and the beginning of the following start ID  
is less than 9 seconds (18 seconds in the  
long-play mode) long.  
When writing the start IDs manually, write  
so that the intervals between them are  
more than 9 seconds (18 seconds in the  
long-play mode.)  
The selected program number does not  
exist on the tape.  
Use the RENUMBER button to re-arrange  
the program numbers. (page 36)  
The program numbers are out of order.  
Search function operates suddenly during  
playback.  
The skip play function is operating.  
(The SKIP indicator lights in the display  
window.)  
Turn off the indicator by pressing SKIP  
PLAY.  
The repeat play function is operating.  
Turn off the indicator by pressing REPEAT  
1/ALL.  
Search function stops.  
There is a blank section between  
selections. (The sampling frequency  
indicator blinks on the display.)  
Use the end search function (page 26)  
when recording so that no blank is created.  
The tape operation buttons do not operate  
while writing the start ID.  
While writing the start ID (9 seconds or 18  
seconds), none of the buttons except the 7  
button are operative.  
Operate after the start ID is written.  
The absolute time codes cannot be written.  
End ID cannot be written during playback.  
Recording was started from the blank  
section.  
Rewind the tape to the beginning, or locate  
the very last point of the previous recording  
by using the end search function (page  
26), and start recording from the point.  
The portion where you want to write the  
end ID is blank.  
Set the deck in the record-pause mode by  
pressing REC, then write the end ID.  
Renumbering function does not operate.  
Start ID cannot be erased.  
The portion between the end of a start ID  
and the beginning of the following start ID  
is less than 9 seconds (18 seconds in the  
long-play mode) long.  
When writing the start IDs manually, write  
so that the intervals between them are  
more than 9 seconds (18 seconds in the  
long-play mode).  
Skip ID cannot be erased.  
End ID cannot be erased.  
Two skip IDs are written continuously.  
When writing the skip IDs, write so that the  
intervals between them are more than 1  
second (2 seconds in the long-play mode).  
The end ID is written at the beginning of  
the tape.  
Start recording from the beginning of the  
tape.  
The end ID is written immediately after a  
start ID.  
First erase the start ID.  
57  
Troubleshooting Guide  
Others  
Symptom  
Cause  
Remedy  
This situation depends upon the cassette  
being used and is not a problem.  
—
Tape transport noise seems excessively  
loud in rewind or fastforward mode.  
A defective or damaged cassette has been  
inserted.  
Press the 0OPEN/CLOSE button to change  
The tape stops running suddenly.  
Unbalanced left and right volume.  
the tape.  
Incorrect adjustment of the recording  
balance.  
Adjust the recording balance correctly by  
using the REC LEVEL control. (page 23)  
Contamination of the head.  
This is not a problem.  
Clean the head, using the cleaning tape.  
—
Increase of noise or deterioration of sound  
quality.  
After pressing 1/¡ or 4/¢, the tape  
stops for a moment, and then starts  
running.  
58  
Specifications  
Tape  
Recording head  
Recording time  
Digital audio tape  
Rotary head  
Standard: 120 minutes.  
Long-play mode: 240 minutes  
(with DT-120)  
General  
Power requirements  
Power consumption  
Dimensions  
120 V AC, 60 Hz  
31 W  
Approx. 430 x 110 x 350 mm (w/h/d)  
(16 15  
Approx. 5 kg (11 lb)  
/
x 4 3/8 x 13 7/8 inches)  
16  
Tape speed  
Standard: 8.15 mm/s,  
Long play mode: 4.075 mm/s  
Standard: 2,000 rpm,  
Long-play mode: 1,000 rpm  
Double Read Solomon code  
Weight  
Drum rotation  
Error correction  
Remote commander (supplied)  
Remote control system  
Power requirements  
Infrared control  
3V DC, with two size AA (R6)  
batteries  
Approx. 40 x 20 x 175 mm (w/h/d)  
(1 9/16  
Tape  
Track pitch  
Dimensions  
13  
13.6 µm (20.4 µm)  
48 kHz, 44.1 kHz, 32 kHz  
8–10 Modulation  
2.46 Mbit/sec.  
2 channels, stereo  
x
/
x 7 inches)  
16  
Sampling frequency  
Modulation system  
Transfer rate  
Number of channel  
D/A conversion (Quantization)  
Weight  
Approx. 100 g (4 oz) incl. batteries.  
Supplied accessories  
Remote commander RM-D690A (1)  
Sony batteries SUM-3(NS) (2)  
Standard: 16-bit linear  
Audio connecting cords (2 phono plugs - 2 phono plugs, stereo for  
line inputs and outputs) (2)  
Long-play mode: 12-bit non-linear  
Standard: 2–22,000 Hz (±0.5 dB)  
Long-play mode: 2–14,500 Hz  
(±0.5 dB)  
Frequency response  
Design and specifications are subject to change without notice.  
Signal to noise ratio  
Dynamic range  
Standard: more than 90 dB  
Long-play mode: more than 90 dB  
Standard: more than 90 dB  
Long-play mode: more than 90 dB  
Standard: less than 0.005% (1 kHz)  
Long-play mode: less than 0.08%  
(1 kHz)  
Accessories not supplied  
Optical cable  
Connecting cord  
POC-15, POC-10HS etc.  
RK-C710HS, etc.  
(2 phono plugs - 2 phono plugs:  
connectors plated with gold, high  
fidelity LC-OFC line cord)  
VMC-1ES, etc. (phono plug - phono  
plug): for digital connection  
DT-10CL  
Total harmonic distortion  
Wow and flutter  
Below measurable limit  
(±0.001% W. PEAK)  
Cleaning cassette  
Input  
Jack type  
Rated input level  
–4 dBs  
Impedance  
47 kohms  
75 ohms  
—
phono jack  
LINE IN  
phono jack  
0.5 Vp-p, ±20%  
—
DIGITAL IN  
optical jack  
DIGITAL IN  
Output  
Jack type  
Impedance  
Load  
Rated  
impedance  
output  
phono jack 470 ohms  
More than 10  
kohms  
–4 dBs  
LINE OUT  
PHONES  
stereo  
220 ohms  
32 ohms  
1.3 mW  
phone jack  
DIGITAL OUT (optical jack): wavelength 660 nm  
59  
Sony Corporation  
Printed in Japan  

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