A - Normal diving with DPX

Settings:

DPXConnected

Switch–over valveRebreathing position

IS-MIX gas cylinderCLOSED

Bail-out gas cylinderCLOSED

Reserve gas valvePulled

Diver bail-out action
Set switch-over valve in bail-out position Abort dive

Settings after bail-out
DPX	Connected
Switch–over valve	Bail-out position
IS-MIX gas cylinder	CLOSED
Bail-out gas cylinder	CLOSED
Reserve valve	Pulled