Ayre QX-5 Owner's Manual page 41

Audio Modes
The Ayre QX-5 Twenty has three different audio
modes. You may wish to select an alternate
mode in certain circumstances. The unit ships in
"Music Mode." Below you'll find a description
of the three modes, followed by instructions
for changing the currently selected mode. The
Mode options are not universal, each input is set
individually.
Music Mode
The QX-5 Twenty will ship from the factory with
"Music Mode" as its default setting. The Music
Mode uses a large buffer for the digital audio
data, completely eliminating jitter even for inputs
where the data flow is controlled by the source.
Video Mode
The video mode option is
The data buffer used for Music Mode may cause
only available for the
noticeable delay issues between audio and video
S/PDIF-based inputs
when watching video sources. The Video Mode
(1 - 8).
bypasses the data buffers, ensuring perfect audio/
video synchronization when watching video
sources.
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