That may differ between old FMCīs and Pegasus on the 757/767. The older ones do not have cg input, but...thinking while writing... I donīt think that even the Pegasus has direct cg reading. Itīs put in manually, at least where I know.
Sorry...
Should have read the previous post...
Darn lllysdddexia!
I read the GW as CG.....