So, you are using the analog outputs of the Pioneer in order to "use the internal DACS in the Pioneer?" If so, the NAD should only display multichannel.
Now, I suspect you are bypassing the Pioneer's DACs and using coax or optical. If so, you cannot get the HD MA signal.
Kal
Now, I suspect you are bypassing the Pioneer's DACs and using coax or optical. If so, you cannot get the HD MA signal.
Kal