CG
Yes. I also can't find it in 1917 manuals. It appears to have been removed but not forbidden. This is in 2014 airbus manufacturer manual. The MSN is given as 9761 A320-214. Actually Airbus publishes new manual in their code which for this is 18CMHE which translates as C-CFM, M-METRIC, H-HONEYWELL, E- ENHANCED GPWS.