# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Glossary / U

UHF

UHF is an acronym for Ultra High Frequency. UHF is usually referred to as the "aerial" connector on the back of TVs and video recorders.

See also: Composite Video, S-Video

Unselected

Layer items that have not been clicked on are said to be unselected. Unselected media file layer items are drawn in light blue, unselected video effects and audio filters are drawn in light green.

See also: Focus, Selected

USB

USB is an acronym for Universal Serial Bus. A very fast interface to the PC used for connecting a wide range of peripherals (printers, keyboards, web cams, etc...).