Glossary of terms – LG 32LD320H User Manual

Page 162

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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 pic-

ture 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 ampli es sound

from a television, CD player, VCR, DVD

player, or other Audio/Video device.

ANTENNA

The physical receiver of television sig-

nals 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 con gure/control TV via

RF distribution system.

CABLE

Cable service box. Refers to the de-

scrambler box cable subscribers use to

receive cable programming signals.

CATV

Programming provided by a cable

service.

COMPONENT VIDEO

Uses three wires for transporting three-

color 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 us-

ing 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-de nition multi-media interface.

HDSTB

High-de nition set top box. Refers to a

tuner device that receives high-de nition

television signals which have higher res-

olution than ordinary analog TV signals.

HDTV

High-de nition television. Refers to tele-

vision signals that have higher resolu-

tion 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 avail-

able for producing a video image using

three separate colors: Red, Green, and

Blue.

RS-232

Serial communication port through

which rmware is downloaded.

2ND AUDIO PROGRAMMING/SAP

Second Audio Programming (SAP) is

another, separate audio channel avail-

able 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 sig-

nal 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. Additional

program information included on the

signal provided at the discretion of the

broadcaster.

Note: Refer to www.atsc.org for further

information.

Glossary of Terms

A list of de nitions for some of the words found in this guide.

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