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HJT Model 100 User's Guide Glossary-
1
7.0 Glossary Of Terms
Active Channel The channel presently being viewed on the screen.
During operation and setup, the channel on which the
setup adjustments are being made-indicated by a pointer
in the Channels list.
Amorphous Without definite form; not crystallized.
Arc Lamp The xenon arc lamp. Contains xenon gas under
pressure. Produces dangerously intensive light with
hazardous levels of ultraviolet and infrared radiation.
It operates at very high temperatures.
Aspect Ratio The ratio of the picture width to picture height. The
standard U.S. television aspect ratio is four units wide to
three units high (4:3). High Definition Television (HDTV)
is 16:9.
Autoselect The ability of the HJT Model 100 Projector to
automatically match the parameters (such as scan rates,
sync types etc.) of an internal source file (for the active
channel) to the parameters of an incoming video source.
If the external video source changes, the Autoselect
feature automatically matches it to the internal source file
with the closest parameters.
Blanking Adjustment used to mask out unwanted areas on the
picture edges. An unblanked image displays the entire
image raster on the screen.
Bow Distortion caused by a curved vertical or horizontal
centerline resulting in the entire image being bent in the
right/left or up/down direction.
Brightness Overall or average brightness of a display, setting black
at 0%. Used with Contrast adjustment for best picture
display.
Channel An Autoselect group of up to 20 source files, using one
specific VIC/switch number, set up to accept up to 20
sources with different parameters such as horizontal and
vertical scanning rates, interlaced/noninterlaced scanning,
± sync levels. A channel defines the input path for a source.
Copy Channel Projector function used to copy VIC address, Picture and
Timing, Adjustment data, and a list of attached Source
Files from one channel to any of the other 99 channels.