Digital-to-Analog (D/A) - Converters Changes digital data from a disc or tape into an analog signal that can be amplified and heard through headphones or speakers.
VSB - " Vestigial side band." VSB is an analog modulation technique used to reduce the amount of spectrum needed to transmit information through cable TV, or over-the-air broadcasts.
Additive Colors - The three additive primary colors are red, green and blue. When these three colors of light are mixed in equal proportions they will produce white light. Also known as additive primaries.
Auto Tracking - This VCR feature automatically finds the best tracking position for optimum picture and sound.
CRT - An analog vacuum tube technology that has been the mainstay of conventional TV displays for many years, writing the picture on a phosphor coated screen with an electron beam. It can produce bright pictures of excellent resolution but the size and weight of a unit suitable for the large, wide-screen displays needed for HDTV may be, for some, a disadvantage.
Simple Remote - Additional simplified remote supplied with select models that is designed for use with Hitachi's Learning AV NET Home Theater Control System. The easy to use, ergonomically designed simple remote contains only twelve of the most used buttons for most Home Theater operations.
Optical Zoom - Optical zoom magnifies the size of an image by adjusting the lens. Unlike digital zoom, optical zoom enlarges the subject without sacrificing resolution.
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