Abbingdon Music Research DP-777 Premier Class - Manual (Page 24)

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4.5 Default Filter Selection
The HD and Classic DACs each have their own set of filters. In addition to pressing the Filter button (RD9) to
make a Filter selection, it is also possible for the user to set a new default filter. This is done by holding down the
Filter button for 2-3 seconds. The display will flash “Set as Default” to acknowledge the new default filter.
4.6 AMR Optimal Auto-Select
At a press of the AMR button (RD7), the DP-777 will intelligently select the most optimal setup for playback of
the current source material.
With a 44.1/48kHz source (e.g. CD transport, files ripped from CDs), the following setup will be automatically
selected for optimal playback:
DAC: Classic DAC
Zero Jitter Mode: Enabled
Filter: Bit-Perfect II
Upsampling: Disabled
With an 88.2/96/176.4/192kHz source (e.g. HD files), the following setup will be automatically selected for opti-
mal playback:
DAC: HD DAC
Zero Jitter Mode: Enabled
Filter: Organic
Upsampling: Disabled
The “AMR” button will
intelligently select the
optimal setup