During normal operation, Cabin Pressurization is
Fully automatic
In flight, with CPC 1 in use, if it fails, the crew
Transfers automatically to CPC 2
When LDG ELEV is set,
the active cabin pressure controller from the FMGS
When MOD SEL pb is MAN, Outflow are controlled by signals sent via:
the MAN V/S CTL toggle sw
In semi automatic Mode, the pilot sets
the landing field elevation
Selecting DITCHING pb sw ON will not
Close outflow valves when the outflow valves are under manual control