Originally Posted by
INNflight
Doesn't the FMC change from whatever milage it shows to S/C change to "Step to FL: NOW" once you cross the "S/C" dot on the ND?
Yep point is (badly made by me) is that probably won't be the point in space where RCMD "steps" up. According to some sources it seems that the FMC processing of "step to" and RCMD is done slightly differently.