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Useful Terms
Coaxial RF Cable: A coaxial RF cable transfers both audio and video on a single cable.
Optical (or Digital) Audio Cable: An optical (or digital) audio cable transfers audio only.
This cable transfers audio at the highest possible quality from your DIRECTV DVR to an
A/V receiver. If you have a home theater, own an A/V receiver capable of receiving
Dolby
Digital audio, and wish to use Dolby
Digital audio, then you must use this cable.
Not all A/V receivers with optical audio inputs are capable of receiving Dolby
Digital
audio. An optical audio cable is not included with the DVR.
BNC Cable: A BNC Cable is similar to a coaxial RF cable and transfers both audio and
video. This type of cable is not included with your DVR. However, you may already be
using a BNC cable in an existing connection to your TV. If so, you can purchase an
adapter that will allow you to connect BNC cables to the RF In or RF Out jacks on your
DVR.
Telephone Line Splitter: The included telephone line splitter allows you to plug both a
telephone and your DVR into a single telephone wall jack.
Video, Audio, and Electronics Equipment and Terms
Switch Box: A switch box is a small box that allows you to connect multiple devices to
your TV, even if your TV does not have enough input jacks to connect them all directly. It
allows you to switch easily between viewing DIRECTV channels, viewing video from
your DVD player, or running your game system. Switch boxes are inexpensive and can be
purchased at electronics stores.
A/V Receiver: An A/V receiver is similar to a switch box but is more sophisticated. It may
offer additional features such as remote control or Dolby Digital audio capabilities. An
A/V receiver allows you to connect multiple devices to your TV, even if your TV does not
have enough input jacks to connect them all directly. It allows you to switch easily
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