Originally Posted by
sonicbum
Set standard when passing transition altitude. Imagine You are departing passing 2000 ft the ATC says "Climb FL180" (no constraints) You will set 18000 ft and call "18000" blue. When passing the TA 18000 will become FL180. Now if You find some weirdo who says "Oh but ATC said to climb FL180 and the PFD says 18000" tell him there is no need to panic, to keep on breathing, and when passing TA You will call for set standard.