Glossary of terms – LG STB1000 User Manual

Page 84

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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 amplifi es
sound from a television, CD player,
VCR, DVD, 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 confi 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 televi-
sion signals transmitted digitally.

DVI

Digital Video Interface. Accommodates
analog and digital interfaces with a
single connector.

HDMI

High-defi nition multi-media interface.

HDSTB

High-defi nition set top box. Refers to a
tuner device that receives high-defi nition
television signals which have higher res-
olution than ordinary analog TV signals.

HDTV

High-defi 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 fi 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 (XDS) is ad-
ditional 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 defi nitions for some of the words found in this guide.

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