Never flew the CRJ or 767... But more than a few in between.

If it is presentation on correlating CRJ to 767's, both are regulated under part 25. This will allow for many common designs. Whether a CRJ/ERJ/MD88/747.

Such as single pack operation limits, passenger O2, anti-ice (maybe), etc.... Point is, since they are all certified under part 25 (and others), certian system will work the same regardless. So once you figure out your CRJ, some of the same limitations/operating philosophy's with the 767 would be the same or closely similar.