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Unloading
When the EJECT button
is pressed, the VTR
automatically winds the
tape back into the
cassette case. Also
called "Unthreading".
User bits
These are also referred
to as "users' bits". The
user bits are a 32-bit
segment of the timecode
recording area. The user
can select what to record
in this segment and how
to use the recorded data.
For example, it can be
used to record data
information in addition
to the timecode data or
ID numbers for tape
reels or programs.
LTC user bits is used to
record good shot marks.
V (vertical)-blanking
The portion of the video
signal that occurs
between the end of one
field and the beginning
of the next. During this
time, the electron beams
in monitors are turned
off so that they can
return from the bottom
of the screen to the top
without showing tracks
of movement on the
screen. When the
position of v-blanking is
not adjusted correctly, a
horizontal black bar
appears on the screen.
Video gain
Amount of amplification
for video signals,
expressed in decibels
(dB).
VITC
Abbreviation of
"Vertical Interval Time
Code". This timecode is
inserted in the vertical
blanking interval and
recorded on the video
tracks. It can be read at
low speeds and during
still playback, but not
during high-speed
playback.
See also "LTC".
A-25
Appendixes
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