JVC XM-R70 User Manual download pdf (Page 18)

Minidisc Limitations

The minidisc records information in an original format that differs from that of conventional cassette tapes or DATs.

Since there are some limitations with this recording format, the following types of conditions may arise. These condi-

tions are not malfunctions.

Condition Cause

With the minidisc, there is a maximum number of tracks which

can be recorded, regardless of time. More than 254 tracks cannot

be recorded on a disc.

When parts of the disc are erased and re-recorded, blank spots are

created on the disc. When recording to such a disc, one track of

data is divided and recorded in the blank areas. During recording,

when these divided parts become numerous, the “DISC FULL”

message may be displayed. When a part of 8 seconds or less is

created by division, that track cannot be joined by the JOIN func-

tion, and even if it is erased, the remaining usable time on the disc

does not increase. Tracks divided into small pieces may skip when

fast forward or fast rewind is done.

Minidiscs must have at least 2 seconds of continuous space in or-

der to record. For this reason, the actual recording time of discs

with a lot of short blank areas becomes shorter.

Rules of Digital Dubbing

The following rules regarding copyright exist for dubbing to MDs from CDs or DATs through digital terminals.

SCMS (Serial Copy Management System)

Minidiscs can record clear sound with low loss of quality from CDs or DATs through each component’s digital input/output

terminal. However, minidiscs are set up so that a disc recorded in this way cannot be recorded onto another minidisc through

digital input/output terminals. In other words, you can not make a copy of a copy. This rule is called SCMS (Serial Copy

Management System).

The recorder is designed in compliance with this rule. If you try to make a copy of a copy the error message “SCMS

CANNOT COPY” is displayed, and dubbing can not be done.

It should be noted that it may be unlawful to re-record pre-recorded tapes, records, or discs without the consent of the owner

of copyright in the sound or video recording, broadcast or cable programme and in any literary, dramatic, musical, or artistic

work embodied therein.

Maintenance

Unit:

Wipe the unit and remote control with a soft cloth. Remove stubborn dirt using a cloth which has been dipped in

water or soapy water and wrung out, and then wipe dry.

• If you intend to use a chemically treated cleaning cloth, read its directions first.

• Do not use alcohol or paint thinners.

MDs:

If the MD cartridge is dirty, wipe it with a damp cloth and then wipe dry.

When storing MDs, avoid locations which are

• Exposed to direct sunlight.

• Susceptible to high levels of humidity or dust.

• Directly exposed to heat from a heating appliance.

• On top of a car dashboard or near the rear window.

Handling the MDs

• Do not open the shutter. The shutter is usually locked to prevent opening. Do not force to open it or the disc may

be destroyed.

“DISC FULL” is displayed, even though the pos-

sible recording time is not used up.

“DISC FULL” is displayed, even though the num-

ber of tracks and recording time are not at the limit.

The JOIN function sometimes does not work.

The remaining usable time on the disc does not in-

crease even when tracks are erased.

The sound skip during fast forward or fast rewind.

The amount of recorded time on the disc added to

the amount of remaining time falls shout of the

disc’s total possible recording time.

DIGITAL

XM-R70(B)_P9-16.p65 6/23/99, 3:08 PM15

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JVC XM-R70 User Manual Page 18

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