Glossaryof Terms - LG 20LH1DC1 - 20.1IN LCD HOSPITAL GRADE PRO-IDIUM ATSC/NTSC/QAM Operation Manual

GLOSSARYOF TERMS
A list of definitions for some of the words found in this guide
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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 sticking through the
middle. It screws onto the
Antenna/Cable threaded jack on the
back of the 20LH1DC1.
300 TO 75 OHM ADAPTER
A small device that connects a
two-wire 300 ohm antenna to a 75
ohm RF jack.
They are usually about an inch long
with two screws on one end and a
round opening with a wire sticking
out on the other end.
ANALOG TELEVISION
Standard television broadcasting
format in 4:5 picture aspect ratio.
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.
CABLE
Cable service box. Refers to the
descrambler box cable subscribers
use to receive cable programming
signals.
CATV
Programming provided by a cable
service.
DIGITAL TELEVISION
High-resolution, cinema-quality
television signals transmitted
digitally.
DVI
Digital Video Interface
Accommodates analog and digital
interfaces with a single connector.
COMPOSITE VIDEO
Typical video jack, uses one wire for
transporting three-color video
signals.
DELETED
Lets you remove channels from the
list that the end user can scroll
through using CH (Channel)
Up/Down.
HDMI
High-definition multimedia interface.
HDTV
High-definition television. Refers to
television signals that have higher
resolution than ordinary analog TV
signals.
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.
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
Actual digital major, dashed minor
channel number that a station is
broadcasting on.
RGB (Red, Green, Blue)
Connection input or output port
available for producing a video image
using three separate colors: Red,
Green, and Blue.
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
The arbitrarily assigned digital
dashed minor channel number that a
station is broadcasting on.
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