There is excellent set up info on the Dingwall site.
Key to volume and consistent volume across the strings is pickup height. If I recall, the treble end of the pickup should be 3/32" below the G string when you fret the string at the highest fret. That's about the diameter of the Allen wrench that fits the pickup bolt. Then hook into something with a Vu meter, I use an old tape deck, and adjust the othe end do the volume across the strings is even. The more you raise the pick up, the louder it gets, but there is a point of diminishing returns. You can hear it.
Key to volume and consistent volume across the strings is pickup height. If I recall, the treble end of the pickup should be 3/32" below the G string when you fret the string at the highest fret. That's about the diameter of the Allen wrench that fits the pickup bolt. Then hook into something with a Vu meter, I use an old tape deck, and adjust the othe end do the volume across the strings is even. The more you raise the pick up, the louder it gets, but there is a point of diminishing returns. You can hear it.