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2 Introduction
2.1 Principles of Operation
Somewhere in the world is a location that transmits your signal, along with many others, up to a
terrestrial broadcast transmission tower that sends those signals to your location, and many others.
Your ATSC antenna receives these signals and sends the to the A75 ATSC receiver. The A75 sifts
through all the signals sent by the broadcast tower looking for your signal (an ATSC stream) and
forwards to your computer the portion containing the data you want. The Ethernet card on your
computer can further filter that data and pass it to other programs on your PC.
The A75 Management Console is used to configure addresses, specify channel parameters, select
ATSC information streams by Program IDentification number (PID) and map audio/video PIDs to
multicast address(es). Once configured, the A75 will retain its settings and continue to forward data
transmitted to you by your service provider even after restarting the A75 or your PC.
The A75 Receiver does not require a computer to continue operation. Once the options have been
set you will have no need to change them.
Version: 1.02
Confidential and Proprietary
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