LG 32LD655H Setup Guide - Page 46
Glossary of Terms
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Glossary of Terms A list of definitions for some of the words found in this guide. 75 OHM RF CABLE The wire that comes from an off-air antenna or cable service provider. The end looks like a hex-shaped nut with a wire through the middle. It screws onto the Antenna/Cable threaded jack on the back of the TV. 300 TO 75 OHM ADAPTER A small device that connects a 2-wire 300 ohm antenna to a 75 ohm RF jack. It is usually about an inch long with two screws on one end and a round opening with a wire extending out the other end. A/V CABLES Audio/Video cables. Three cables bunched together-right audio (red), left audio (white), and video (yellow). A/V cables are used for stereo playback of videocassettes and for higher quality picture and sound from other A/V devices. A/V DEVICE Any device that produces video or sound (VCR, DVD, cable box, or television). AMPLIFIER An electronic device that amplifies sound from a television, CD player, VCR, DVD, or other Audio/Video device. ANTENNA The physical receiver of television signals sent over the air. A large metal piece of equipment does not always have to be visible to be using an antenna. b-LAN Licensed proprietary RF communication system used to configure/control TV via RF distribution system. CABLE Cable service box. Refers to the descrambler box cable subscribers use to receive cable programming signals. CATV Programming provided by a cable service. COMPONENT VIDEO Uses three wires for transporting threecolor video signals. The end result is usually better video quality. COMPOSITE VIDEO Typical video jack, uses one wire for transporting three-color video signals. DELETE Lets you remove channels from the list that the end user can scroll through using Channel Up/Down. DIGITAL TELEVISION High-resolution, cinema-quality television signals transmitted digitally. DVI Digital Video Interface. Accommodates analog and digital interfaces with a single connector. HDMI High-definition multi-media interface. HDSTB High-definition set top box. Refers to a tuner device that receives high-definition television signals which have higher resolution than ordinary analog TV signals. HDTV High-definition television. Refers to television signals that have higher resolution than ordinary analog TV signals. INPUT Refers to the input jack that receives a signal from a TV, VCR, DVD Player or other Audio/Video device. JACK An input or output connector on the back of a TV, VCR, DVD Player or other Audio/Video device. MONO SOUND Mono (monaural) sound is one channel of sound. On more than one speaker, all the speakers play the same audio. OUTPUT Refers to the output jack that sends a signal out of a VCR, DVD, or other A/V device. PHYSICAL CHANNEL NUMBER The actual channel number. Analog channels use the Physical Channel number and digital channels can use a Virtual Channel number. RGB (RED, GREEN, BLUE) Connection input or output port available for producing a video image using three separate colors: Red, Green, and Blue. RS-232 Serial communication port through which firmware is downloaded. 2ND AUDIO PROGRAMMING/SAP Second Audio Programming (SAP) is another, separate audio channel available with some programming. Choosing SAP often refers to listening to audio in another language, such as Spanish or French. SIGNAL Picture and sound traveling through a cable, or over the air, to the TV. STEREO SOUND Stereo (Stereophonic) sound refers to audio that's divided into right and left sides. TUNER Device that picks up the broadcast signal and turns it into picture and sound. VIRTUAL CHANNEL NUMBER A re-mapped channel number. Analog channels use the Physical Channel number; however digital channels use a Virtual (or false) Channel number. XDS Extended Data Service (XDS) is additional program information included on the signal provided at the discretion of the broadcaster. Note: Refer to www.atsc.org for further information. 46 206-4137