Glossary Of Terms - Planar WN-5040-720 User Manual

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.
Planar Display
Lion X, UX, XP , UXP ,
XL, UXL
Panther UX, UXP
Puma X, XP , UXP
Tigress S, X
Wildcat S, SE
Lion SX, SXP
Bobcat 1, 2
Bay Cat, Margay,
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 Planar direct-view LCD
display, similar to a Planar Bobcat, but
with a larger screen (46") and higher
resolution (1920x1080). Model num-
ber SN-4610-1080
Bobcat The name for any Planar 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.
126
Term
C-Video
DA
Aspect
display
Ratio
DLP™
1.33
DMD™
1.25
1.66
1.77
DVI
electronics
module
Fast key
H & V sync
key
lamp life
LED
Meaning
Composite video; a video distribution
system in which all the video informa-
tion, is sent on one wire.
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.
One display unit without regard to oth-
ers that may be in a wall with it.
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.
Digital Micromirror Device, Texas
Instruments' trademarked name and
patented device for reflecting individ-
ual pixels of light toward a screen.
Digital Video Interface, a standard for
distributing computer pictures in digi-
tal form.
The electronic part that controls
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.
One of the buttons on the remote con-
trol that takes you directly to a menu
or chain of menus.
Horizontal and vertical sync on two
separate lines. The VGA family uses
this type.
a push button on the remote control
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.
Light Emitting Diode: a small, low
power lamp used as an indicator,
often red or green, but can be other
colors.