DirecTV HR34 User Manual page 144

APPENDIX 2: CONNECTIONS TO TV & EQUIPMENT
Audio Connections
HDMI [High-Definition Multimedia Interface] provides the best digital video and audio in one connector.
Digital Audio Optical provides excellent quality digital audio and is often used on newer surround sound and DVD equipment.
Digital Audio Coax provides high quality digital audio and is also found on newer surround sound and DVD equipment.
RCA outputs provide good audio quality and are found on older auxiliary equipment.
There are so many makes and models of TVs and auxiliary equipment, it is impossible to fully describe all of the possible
connections between them and your receiver. Refer to the manuals for that equipment to see the connection options specific to each
make and model. The following images show examples of how your receiver may be connected using the supported video and audio
connections for the TV, the surround sound, and the DVD player/burner or VCR. Several models of DIRECTV Receivers are shown,
giving you a variety of connection options to your TV and other equipment.
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