Sending Signals; Important Overview 2-1. Sending Signals - LG LSS-3200A Owner's Manual
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- Owner's manual (125 pages) ,
- Service manual (103 pages) ,
- Specifications (2 pages)
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2. IMPORTANT OVERVIEW
2-1. Sending Signals
DIRECTV
Digital broadcasting is a new way of sending programs over the airwaves with superior qual-
ity video and audio. The DIRECTV
broadcasting. To fully enjoy it, it is helpful to understand the ways that program signals are
sent.
There are two types of TV signal formats; analog (often called NTSC format; National Television
System Committee) and digital (ATSC format; Advanced Television System Committee). Digital
formats are classified into three categories: High-Definition (HD), Enhanced Definition (ED), and
Standard Definition (SD) according to the resolution or digital picture quality.
There are also three ways that program signals can be received; over-the-air (NTSC, ATSC),
cable and satellite.
9
Satellite
Sat A 101
Sat C 110
Sat B 119
®
HD Receiver enables you to take full advantage of digital
Digital
signal
TV
HD Receiver
Phone
Jack
Analog Cable service
Analog
signal
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