MCDU Entries and Modification:
IF AUTOPILOT IS ON : THE PF DOES ALL THE STUFF RELATED TO MCDU AND FCU
IF PF IS HAND FLYING THE A/C:THEN PM (OR PNF) DOES ALL MCDU WORK AND FCU SELECTION WITH CONFIRMATION/REQEST FROM PF
PF: FLY,NAVIGATE AND COMMUNICATE( FOR EMMERGENCIES)
PNF(PM)

CAM ACTIONS,ASSIST PF WHEN REQUIRED
ALWAYS ONE HEAD UP,