Tektronix 2200 Manual Do Utilizador
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Glossary
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Abort:
An instruction used to terminate
execution of a computer program or
routine.
routine.
Accumulating Latch:
Electronic circuitry
that allows several signals to be latched on
at the same time and then combined to
produce a compound effect.
at the same time and then combined to
produce a compound effect.
Active Video:
The portion of a video signal
that contains picture information.
Array:
A series of like items arranged in an
intersecting pattern, such as a RAM array.
ASCII:
American Standard Code for
Information Interchange.
Aspect:
The ratio between the width and
the height of an object such as a wipe
pattern or a video screen.
pattern or a video screen.
Assembly:
A major part of a system that
consists of more than one component. For
example, the main control panel is an
assembly within the Model 4000 Switcher.
(Also see Component and System.)
example, the main control panel is an
assembly within the Model 4000 Switcher.
(Also see Component and System.)
Asynchronous:
A mode of computer
operation where the CPU immediately
begins a new task upon completion of the
previous task. (Also see Synchronous.)
begins a new task upon completion of the
previous task. (Also see Synchronous.)
Audio Mixer:
An electronic device that
takes audio signals from any of several
sources (such as microphones, tape
recorders, etc.) to produce audio effects.
(Also see Switcher, Video.)
sources (such as microphones, tape
recorders, etc.) to produce audio effects.
(Also see Switcher, Video.)
Auto Transition:
A smooth or linear
electronically-produced transition made
by pressing a pushbutton ([AUTO TRAN])
instead of moving a lever arm.
by pressing a pushbutton ([AUTO TRAN])
instead of moving a lever arm.
B
B-Y:
The designator used to describe the
Blue minus Luminance color portion of a
component video signal.
component video signal.
Background Color Suppression (BCS):
A
chroma key feature which enhances the
appearance of chroma keys by
suppressing unwanted halo effects.
appearance of chroma keys by
suppressing unwanted halo effects.
Background Generator:
A video generator
that produces a solid-color output which
can be adjusted for hue, saturation, and
luminance. The output of the generator is
the color background signal applied to a
primary input.
can be adjusted for hue, saturation, and
luminance. The output of the generator is
the color background signal applied to a
primary input.
Background Transition:
A transition
between signals selected on the
PROGRAM and PRESET background
buses or A and B Background buses.
PROGRAM and PRESET background
buses or A and B Background buses.