Dell S500WI User Guide - Page 129

Minimum Distance, Reverse Image, S-Video, SECAM, Zoom Lens, Zoom Lens Ratio

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Page 129 highlights

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. Zoom Lens - Lens with a variable focal length that allows the operator to move the view in or out making the image smaller or larger. Zoom Lens Ratio - Is the ratio between the smallest and largest image a lens can project from a fixed distance. For example, a 1.4:1 zoom lens ratio means that a 10 foot image without zoom would be a 14 foot image with full zoom. Glossary 129

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Glossary
129
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.
Zoom Lens —
Lens with a variable focal length that allows the operator to move
the view in or out making the image smaller or larger.
Zoom Lens Ratio —
Is the ratio between the smallest and largest image a lens can
project from a fixed distance. For example, a 1.4:1 zoom lens ratio means that a 10
foot image without zoom would be a 14 foot image with full zoom.