Tell that to Stan. What I've described is exactly what he describes in the first 35 seconds below, and also according to every instruction I've read concerning the perception. You get your perception then you drop those lines and look at CCB. If you're not doing that, you're not doing Stan Shuffett's CTE . Watch it here...
https://youtu.be/0Y4xh89CWXg
Right, you get your perception then sweep down to CCB. It's what i said. You then don't look through CCB to the OB and make an adjustment, which is what you said. From the sweep to CCB you can just shoot with no worries.