To get the most out of your HDTV, you need to be able to receive HDTV channels. What you need to make this work depends what kind of HDTV you have (or are buying):
HDTV:
A true HDTV contains a built-in ATSC tuner, which can receive over-the-air (OTA) HDTV broadcasts. The FCC (Federal Communications Commission) is beginning to require ATSC tuners in all TVs_ phasing it in over time, beginning with big-screen (36-inch and bigger) TVs in 2005.Soeventually all new TVs will have ATSC tuners_ even non-HDTVs, since the ATSC specification includes standard definition digital TV.

HDTV-ready TVs:
These TVs can produce HDTV images onscreen, but they don’t have an internal ATSC tuner. You’ll need some sort of external tuner to pick up HDTV broadcasts.We’re going to use the term HDTV as shorthand for both HDTVs and HDTV-ready TVs and the entire book. But when you’re shopping, keep in mind that not all HDTVs have built-in tuners.

If you want to watch HDTV from cable or satellite sources, you’ll need the appropriate cable box or satellite receiver connected to your HDTV. There are some new DCR (digital-cable-ready) HDTVs entering the market that let you watch HDTV over your cable system without a cable box.

If you’re going to watch OTA HDTV channels, you’ll need two things:

• An HDTV antenna to receive the broadcast signals
• An HDTV tuner (either built into your HDTV, or a separate tuner) to tune into the HDTV channels

Sometimes you may want to mix and match these systems. For example, if you use satellite, you might still use an OTA HDTV antenna to pick up your local HDTV channels.Unsure whether you want cable, satellite, or local broadcasts for HDTV channels?

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