Calibrating HKC Guide rails

[Caseman44]

Can you adjust the calibration of the detents on the HKC guide rails.  Putting mine up to an edge  of cast iron table saw top and checking square with a 24” Starrett carpenters square. The 0 deg cut seems to be off.  Is there a suggested method to adjust this?

To add a little more detail I have a FSK 670 guide rail that appears to be out of square at 24” by .075”.  I am looking for a way to adjust one of the two posts to square this up.

 

[flair woodworks]

I haven't tried, and don't have one of these rails in front of me, but I believe that the black fixed stop next to your Starrret square is adjustable. You'll want to slide it backwards to correct the issue you've illustrated.