Dell 1610HD User Guide - Page 77

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. 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. 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 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 77