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Chapter 2
Optional Audio/Video and Electronics
Switch Box
A small box that lets you connect multiple devices to your TV, allowing you to switch easily
between your DIRECTV programming, VCR, DVD player, game system, etc.
A/V Receiver
More sophisticated than a switch box, it provides all the same advantages, and may offer
additional features such as the ability to hook up to multiple speakers.
Surge Protector
Devices that protect electronic equipment from power fluctuations. Highly recommended
to prevent damage to your DIRECTV HD System.
Dolby
®
Digital (AC-3) Audio
Recorded on six separate channels which can be heard on six different speakers. To enjoy
Dolby
®
Digital audio, you’ll need to connect your receiver (via an optical audio cable) to an
A/V receiver capable of supporting it.
Dolby
®
Surround Sound/Dolby Pro Logic
Recorded on two channels which can be heard on two or more speakers. You will also need
to connect your DIRECTV HD Receiver to a Dolby
®
Surround Sound supporting A/V
receiver (using R and L audio cables or an optical audio cable).
Helpful Hardware Reference