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Dell 7700HD Projector User Manual

Page 118

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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.
1080p — 1080p is the shorthand identification for a set of HDTV high-definition

video modes that are characterized by 1080 horizontal lines of resolution and

progressive scan, meaning the image is not interlaced as is the case with the 1080i

display standard.
Zoom Lens — Lens with a variable focal length that allows 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

Glossary

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