7
Pin, Pen or Reticule
Insert a pen
You may use a 3 mm diameter pen which will fit
into the 3 mm through hole when insert from the
downside and with the open end of the pen first.
Draw an arc
You now may adjust height and draw and arc on
your armboard/plinth.
That arc gives all prospective positions for
mounting the respective tonearm with the desired
mounting distance.
Drilling hole
You may use a small hammer and a low force hit
on the gun metal cap holding the reticule to mark
a drilling hole in the armboard .
