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LASERVISION DISC PLAYBACK FUNCTIONS
CHAPTER
NUMBER
AND FRAME/TIME
NUMBER
DISPLAY
LaserVision
Discs
have
chapter
numbers,
frame
numbers (or time numbers) recorded on them, at the
time when the video and sound are recorded.
Each
time the DISPLAY
key is pressed, this infor-
mation
is alternately
displayed
and
erased
on the
screen.
Chapter numbers (Standard play and Extended
play discs)
These
indicate divisions within a disc program,
and
correspond to the chapter numbers
in a book.
Some
discs do not have chapter numbers
recorded
on them.
In the case of such discs, chapter numbers
are not displayed.
Frame numbers (Standard play discs)
Frame
numbers
are allocated
one
by one to each
frame
from
the start of the disc program.
These
correspond to the page numbers
in a book.
Time numbers (Extended play discs)
These represent the elapsed time from the start of the
disc for normal playback mode.
In the case of some discs time numbers are recorded
with minutes as the smallest units, while with other
discs, the time numbers are recorded with seconds as
the smallest units.
2
12000
Frame
number
Chapter
number
Standard
play disc
ig Disc with minute
unit time numbers
ico
Hours
Chapter number
Extended
play disc
Disc with second
unit time numbers
12.23
Pessatds
Minutes
(Hours)
Chapter number
SCAN
After playback has begun, while in pressing either end
of this key causes
fast forward
or fast
backward
playback.
pe:
Fast forward
<<:
Fast backward
The scan speed may be one of two speeds.
For about
two seconds after the key is pressed, the scan speed
is fairly slow, but after that becomes
high speed.
|
STILL/STEP (Standard play discs only)
Pressing
either end
of this key causes
still frame
playback.
Following.this, each press of the tm mark
end of the key causes playback to advance one frame,
and each press of the «<u mark end of the key causes
playback to reverse one frame.
To cancel still frame playback, press the PLAY ( » )
key.
* In the case of rapidly changing scenes, it may
not be possible
to obtain
completely
still
frames. This is not a fault of the player or disc. |
AUTOMATIC PICTURE STOP |
Some
discs have special signals recorded
on them
called
picture
stop
codes.
When
such
discs
are
played at either normal speed or in multi-speed (with
the exception of double and triple speed) mode, the
player automatically stops at the frames specified by
the picture stop codes, and plays back.a
still frame.
21
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