Kenwood DM-SG7 User Manual

DM-SG7(EN)
3
Before applying power
Contents
Before applying power .........................................................................................................2
Safety precautions ..............................................................................................................2
IMPORTANT SAFEGUARDS...............................................................................................4
Before operation ...................................................................................................................6
Accessories ........................................................................................................................6
Special feature....................................................................................................................7
Safety Precautions .............................................................................................................8
Maintenance.......................................................................................................................9
MD system...........................................................................................................................10
System connections ...........................................................................................................12
System operation features ...............................................................................................13
Names and functions of parts ...........................................................................................14
Display/Main unit ..............................................................................................................14
Remote control unit..........................................................................................................15
Operation of remote control unit ......................................................................................16
Playback of Mini Disc..........................................................................................................17
Playing tracks in order from track No. 1 ...........................................................................17
Playback from desired track .............................................................................................18
Listening in random order (RANDOM playback) ..............................................................18
Searching a desired track by its title (TITLE SEARCH) .....................................................20
Programming ......................................................................................................................21
Programming tracks in a desired order ............................................................................21
Repeated playback ...........................................................................................................23
Recording (analog input)....................................................................................................24
Analog recording ..............................................................................................................24
Recording (digital input) ....................................................................................................26
Digital recording ...............................................................................................................26
Digital recording and SCMS .............................................................................................28
Simplified CD recording .....................................................................................................29
Recording a single CD track (O.T.E.) ................................................................................29
Recording all tracks on a CD (O.T.E.) ...............................................................................29
Synchro recording with CD player....................................................................................29
Changing the displayed contents .....................................................................................30
TIME DISPLAY key...........................................................................................................30
TEXT DISPLAY key ...........................................................................................................30
Editing ..................................................................................................................................31
Selecting the editing function type ..................................................................................31
Changing tracks during playback (TRACK MOVE)............................................................32
Moving several tracks at a time (QUICK MOVE) .............................................................34
Dividing a track during playback (TRACK DIVIDE) ............................................................36
Combining tracks during playback (TRACK COMBINE) ...................................................38
Erasing several tracks at a time (QUICK ERASE) .............................................................40
Erasing a single track during playback (TRACK ERASE)...................................................42
Erasing a part of a track....................................................................................................43
How to edit titles ..............................................................................................................44
Changing or deleting a title ..............................................................................................46
CD Text Editing ...................................................................................................................48
In case of difficulty ..............................................................................................................49
Specifications ......................................................................................................................52
Caution : Read the pages marked carefully to ensure safe operation.

Kenwood DM-SG7 Specifications

System and Audio

system	Minidisc digital audio system
laser	Semiconductor laser
recording method	Field modulation overwrite method
audio compression	ATRAC (Adaptive TRansform Acoustic Coding)
playing rotation	Approx. 400 rpm ~ 900 rpm (CLV)
D/A conversion	1 Bit
oversampling	128 fs (5644.8 kHz)
A/D conversion method	Sigma-delta method
sampling frequency	44.1 kHz

Digital Audio Performance

frequency response (playback mode)	8 Hz ~ 20 kHz, ± 1 dB
signal to noise ratio (playback mode)	More than 92 dB
dynamic range (playback mode)	More than 90 dB
total harmonic distortion (1 kHz, playback mode)	Less than 0.007 %
channel separation (1 kHz, playback mode)	More than 85 dB
wow & flutter	Less than unmeasurable limit

Inputs and Outputs

analog input sensitivity / input impedance	300 mV / 70 kΩ
analog output level / load impedance	1.2 V / 3.2 kΩ
digital input, optical (wave length 660 nm)	- 15 dBm ~ - 21 dBm

General Specifications

power consumption	14 W
dimensions (width)	200 mm (7 - 7 / 8")
dimensions (height)	77 mm (3 - 1 / 16")
dimensions (depth)	247 mm (9 - 3 / 4")
weight (net)	2.1 kg (4.6 lb)