Clarity WN-5040-720 manual Glossary of Terms, Term Meaning

7.5 Glossary of Terms

Term	Meaning
aspect ratio	The ratio of the width to the height of a
	picture, often expressed as 4-by-3,
	4:3, 4u×3, or 1.33:1 (the aspect ratio
	of standard television pictures). 16-by-
	9 (1.77:1) is the aspect ratio for high-
	definition TV.
	Clarity Display	Aspect
		Ratio
	Lion X, UX, XP, UXP,
	XL, UXL
	Panther UX, UXP	1.33
	Puma X, XP, UXP
	Tigress S, X
	Wildcat S, SE
	Lion SX, SXP	1.25
	Bobcat 1, 2	1.66
	Bay Cat, Margay,	1.77
	Bengal
ballast	The electronics part (module) that
	powers the lamp, providing high volt-
	age to start the lamp and a lower volt-
	age for operation.
Bay Cat	The name for a Clarity direct-view LCD
	display, similar to a Clarity Bobcat, but
	with a larger screen (46”) and higher
	resolution (1920x1080). Model num-
	ber SN-4610-1080
Bobcat	The name for any Clarity model begin-
	ning SN-4025 or SN-4035. A 40" direct
	view LCD display of 1280 × 768 pix-
	els.
composite	Sync signals that combine the hori-
sync	zontal and vertical syncs onto one sig-
	nal line, separate from the video.
	RGBS uses this type.
composite	A video distribution system in which all
video	the video information, is sent on one
	wire. Sometimes called C-Video.
cube	One display without regard to others
	that may be in a wall with it.
	See also unit; display.

Term	Meaning
C-Video	Composite video; a video distribution
	system in which all the video informa-
	tion, is sent on one wire.
DA	Distribution amplifier; a device that
	takes in one input and gives out many
	of the same type. DAs are available for
	video, computer and digital signals.
display	One display unit without regard to oth-
	ers that may be in a wall with it.
DLP™	Digital Light Processing, Texas Instru-
	ments’ trademarked name for their
	optical system using a DMD™ and a
	color wheel. Other manufacturers also
	use TI’s DMD chips.
DMD™	Digital Micromirror Device, Texas
	Instruments’ trademarked name and
	patented device for reflecting individ-
	ual pixels of light toward a screen.
DVI	Digital Video Interface, a standard for
	distributing computer pictures in digi-
	tal form.
electronics	The electronic part that controls
module	almost everything about the display. It
	converts incoming pictures to a form
	the LCD can use to display pictures
	and provides control through the
	remote control and RS232 connec-
	tions to other functions, such as turn-
	ing lamps on and monitoring fans.
Fast key	One of the buttons on the remote con-
	trol that takes you directly to a menu
	or chain of menus.
H & V sync	Horizontal and vertical sync on two
	separate lines. The VGA family uses
	this type.
key	a push button on the remote control
lamp life	A lamp life of 5,000 hours means that
	for a large group of lamps, after 5,000
	hours of use, at least half of them will
	still be operation.
LED	Light Emitting Diode: a small, low
	power lamp used as an indicator,
	often red or green, but can be other
	colors.

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