User's Manual

CHAPTER 3
34
Dolby
®
Digital 5.1
Dolby Digital 5.1 gives you five discrete channels of mid- and high-range digital audio,
plus one channel of low-frequency (subwoofer) audio, for use by A/V receivers capable of
decoding the 5.1-channel signal. The audio signals are broken into left-front, center, right-
front, left-rear, right-rear and low-frequency channels. The result, when your DIRECTV
®
Plus
Receiver is connected to a compatible Dolby Digital 5.1 channel A/V receiver and speaker
setup, is an experience that gives you much of the dynamic range, 360-degree imaging and
sonic excitement of a real theater.
Not all TV programs are broadcast using Dolby Digital 5.1 for DIRECTV
®
programming.
Programs broadcast using this high-quality audio standard are indicated by the words Dolby
Digital in the program description in the Channel Banner (see page 23) and the Guide (see
page 24).
To change the current Digital Audio format,
press MENU, select Settings, then select Setup.
Select Audio in the left menu. Highlight the Dolby Digital tab and press SELECT, then follow
the onscreen instructions and select from the following options:
Dolby On (RCA): Select this option to optimize the audio on programs with Dolby
Digital Audio if you are using the Digital Audio Out (Optical) to a digital audio receiver
and the Audio/Video (RCA) cable to your TV or stereo.
Dolby On (RF): Select this option to optimize the audio on programs with Dolby Digital
Audio if you are using the Digital Audio Out (Optical) to a digital audio receiver and the
RF coaxial output cable to your TV or stereo.
OFF: Select this option if you are not using the Digital Audio Out (Optical).
Watching TV