Dell S520 Projector - Manual (Page 127)

Glossary 127
Maximum Distance
— The distance from a screen the projector can be to
cast an image that is usable (bright enough) in a fully darkened room.
Maximum Image Size
— The largest image a projector can throw in a
darkened room. This is usually limited by focal range of the optics.
Minimum Distance
— The closest position that a projector can focus an
image onto a screen.
NTSC
— National Television Standards Committee. North American
standard for video and broadcasting, with a video format of 525 lines at 30
frames per second.
PAL
— Phase Alternating Line. A European broadcast standard for video
and broadcasting, with a video format of 625 lines at 25 frames per second.
Reverse Image
— Feature that allows you to flip the image horizontally.
When used in a normal forward projection environment text, graphics, etc.
are backwards. Reverse image is used for rear projection.
RGB
— Red, Green, Blue — typically used to describe a monitor that
requires separate signals for each of the three colors.
S-Video
— A video transmission standard that uses a 4-pin mini-DIN
connector to send video information on two signal wires called luminance
(brightness, Y) and chrominance (color, C). S-Video is also referred to as
Y/C.
SECAM
— A French and international broadcast standard for video and
broadcasting, closely related to PAL but with a different method of sending
color information.
SSID
— Service Set Identifiers — A name used to identify the particular
wireless LAN to which a user wants to connect.
SVGA
— Super Video Graphics Array — 800 x 600 pixels count.
SXGA
— Super Extended Graphics Array, — 1280 x 1024 pixels count.
UXGA
— Ultra Extended Graphics Array — 1600 x 1200 pixels count.
VGA
— Video Graphics Array — 640 x 480 pixels count.
WEP
— Wired Equivalent Privacy — This is a method for encrypting
communication data. The encryption key is created and notified only to the
communicating user, so the communication data cannot be decrypted by
a third party.
XGA
— Extended Video Graphics Array — 1024 x 768 pixels count.
WXGA
— Wide Extended Graphics Array — 1280 x 800 pixels count.