Diver bail-out action after DPX fails / is tangled

Open IS-MIX and bail-out gas cylinder

Push in the reserve valve

Disconnect DPX surface supply, park DPX hose from bail-out regulator at pressure gauge

Depending on operation: abort dive

Settings after bail-out

DPX

Disconnected

Switch–over valve

Rebreathing position

IS-MIX gas cylinder

OPEN

Bail-out gas cylinder

OPEN

Reserve valve

Pushed in