Important Overview 2-1. Sending Signals; Sending Signals - Sony SAT-HD300 Operating Instructions (primary manual) Operating Instructions Manual

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 understand the ways the 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