Electrohome Marquee Ultra Series User Manual page 104

GLOSSARY
Bow
Brightness
Candela or Candle
Channel
Channel List
Color Shift
Co/or Temperature
Color Temperature
Uniformity
Composite Video
Contrast (ratio)
Convergence
Current Setup
Memory
Curved Screen
Decoder
Diffused Screen
A horizontal curve in the center of the image, ardor a vertical curve across an
image.
Brightness in projection usually describes the amount of light emitted from a
surface such as a screen. Brightness is measured in lumens, foot-lamberts,
foot-candles, or lUX.
The intensity of light is measured in candelas.
A 2-digit number with user-assigned source input information. This
information includes a physical input (switcher, slot), a setup memory (input or
recall), and a name or description. Assignments are made through the Channel
List.
A list of up to 99 channels (explained above) which may be created, edited, or
deleted by the user. The Channel List feature provides an alternative, and
sometimes easier, way to select sources and their setups.
The change in the tint of a white field across an image.
This term refers to the coloration (reddish, white, bluish, etc.) of a white
image. (It does not refer to the brightness of a white image.) The Kelvin (K)
temperature scale is used to measure color temperature.
The accuracy of color temperature at any location.
This term refers to the output of video tape players and some computers.
Synchronization, luminance, and color signals are combined on one output
cable.
The ratio of brightness of the brightest possible area to the darkest possible
area of an image.
The alignment of the projected red, green and blue images on the projection
screen.
The setup memory which is currently being used to display a given source's
image.
A projection screen which is curved to improve screen gain. Curved screens
usually have screen gains which are greater than 1 but viewing angles much
less than 180°.
A device that converts NTSC, PAL, PAL M, PAL N, PAL 60, SECAM or
NTSC 4.43 video to RGB video
(Marquee
Multi-standard Decoder).
A type of rear-projection screen which spreads the light striking it. Screen
gain is less than 1 but audience viewing angles are increased.
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