Configure AUDIRVANA Plus with MERGING+NADAC on MacOS

How to configure your MERGING+NADAC with Audirvana?

The MERGING+NADAC CoreAudio driver is installed and configured
Audirvana + is installed https://audirvana.com/

Step-by-step guide

Start Audirvana Plus.
At first start you will see this this panel :

You have to select the audio interface : MERGING+NADAC
It starts:
Disable iTunes Integrated mode in Audirvana Plus drop down menu.
Open Preferences in Audirvana Plus drop down menu.
In Audio System tab (click on the picture below for details):
Preferred Audio Device :
MERGING+NADAC
Native DSD Compatibility :
Automatic detection ( Audirvana V2.2.4.3 or above required)
Low level playback options :
Exclusive access mode have to be checked
Warning: Exclusive access mode should be disabled on some systems, as it is known to potentially consume a great load of memory. It can cause audio drop outs when used at high samplling rate.
Direct Mode and Integer mode have to be unchecked
Maximum Memory allocated :
Around 120 mn @44.1kHz
In Audio Filters tab :
Forced Upsampling should be set to none.
In Audio Volume tab :
Volume Control type must be set to DAC only