While the blackest blacks make us all warm and fuzzy emotionally, it is not necessarily the most accurate way to calibrate and profile your monitor. All monitors I have profiled (including the PA241w) suffer from a little bit of color cast when blacks are set to their absolute minimum. Raising the black level a bit in my experience makes for a significant improvement in removing color casts in the darkest shadows and also improves the distinction from one level to another. What I mean by that is... I've seen many monitors that when set to their relative minimum will not have good distinction between the first 5 black levels. Raise the black level just a little bit and the differences are much more apparent. My 2690 is set to a luminance of 110 cd/m^2 with a black level of 0.28 cd/m^2. Images don't look quite as impressive as when the screen is at the relative minimum for black point, but it sure does a better job with actually being able to see shadow detail.
Thank you for reminding us of that problem with the neutrality of minimum black. You are right, there are two minimum black levels
But would you leave the black level at that setting when it comes to soft-proofing, and just turn on the PS soft-proof?
How would you judge the black level setting, if you were to adapt for the paper during the soft-proof stage? What was suggested till now is a visual method.