HDMI — High-Definition Multimedia Interface — HDMI carries both uncompressed high definition video along with digital audio and device
control data in a single connector.
Hz (Hertz) — Unit of frequency.
Keystone Correction — Device that will correct an image of the distortion (usually a wide-top narrow-bottom effect) of a projected image
caused by improper projector to screen angle.
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.
SECAM — A French and international broadcast standard for video and broadcasting, closely related to PAL but with a different method
of sending color information.
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.
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