About the black crush that people often mention when they don't see 17 (or full Range 1) on a black clipping pattern:
Do you even realize how insanely dark 0.0003 nits is? Because that's what the target for limited range 17 is when using gamma 2.4 and 120 nits peak. That's like 1/100 the brightness of a 3% slide which already is very very dark.
In the past I was also always trying to get 17 to show up on those flashing bars test pattern but all this has gotten me was often seeing elevated blacks in movies...
I wouldn't be surprised if most people have their