Maximum Distance— The distance from a screen the projector can be to cast an image that is useable (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.
Metal Halide Lamp— The type of lamp used in many medium and all high end portable projectors. These lamps typically have a
Minimum Distance— The closest position that a projector can focus an image onto a screen.
NTSC— The United States broadcast standard for video and broadcasting.
PAL— A European and international broadcast standard for video and broadcasting. Higher resolution than NTSC.
Power Zoom— A zoom lens with the zoom in and out controlled by a motor, usually adjusted from the projector's control panel and also the remote control.
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. Higher resolution than NTSC.
SVGA— Super Video Graphics Array— 800 x 600 pixels count. SXGA— Super Ultra Graphics
XGA— Extra Video Graphics Array— 1024 x 768 pixels count.
Glossary
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