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Before you start
1
Symptom
The recorder shows the message MD TOC
FULL even though there are fewer than
255 tracks on the disc (the maximum
possible).
The recorder shows the message
DISC FULL before you’ve reached the
maximum recording time of the disc.
The amount of recording time available
doesn’t increase after erasing some short
tracks.
The total recorded time, plus the
recording time remaining, appears to be
less than the length of the disc.
The recorder won’t allow you to combine
two tracks into one during editing.
The sound is interrupted during fast
forward or reverse.
MD sytem limitation
Although when you listen to a disc it appears that each track sits end to end
in an unbroken sequence, the actual audio information may be scattered all
over the disc in different places. The more times you record and edit things
on a disc, the more scattered the information becomes. Usually, this doesn’t
affect the user; the recorder keeps track of everything using the UTOC.
However, because the recorder needs to know where every little gap is on
the disc (and counts each one as a track, although you don’t see it), the
UTOC eventually fills up, and the recorder won’t let you record anything
else on that disc. Erasing a complete track, or the entire disc cures the
problem.
If a disc is scratched or damaged in some way, that part of the disc becomes
automatically unavailable for recording. In this case, the recorder shows the
reduced recording time available.
If you erase a track which is less than 12 seconds long, the recorder can’t
add that time to the available recording time.
Recording time on a disc is divided into two-second blocks—the smallest
‘unit’ of a minidisc. Although a piece of audio data may be shorter than this,
it still takes up two seconds on the disc, and the remainder is ‘lost’ (until the
whole block is erased). As the number of these partially used blocks builds
up, you might notice that the total disc length appears to shorten. (See also
the note about damaged discs above.)
There are two situations where you can’t use the combine edit feature:
• When one of the tracks was recorded using the digital input, and the
other using the analog input.
• When the tracks are in different recording modes (for example
LP
2 and
stereo).
As we mentioned above, the more re-recording and editing you do on a disc,
the more scattered the audio information on the disc becomes. During fast
forward or reverse this may show up as interrupted sound.
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