Just to try to sort out this man-machine-interface stuff, can we imagine the very same initial event in a more conventional airplane, say, a B757? In cruise at night, George is in control, and all of a sudden all airspeeds go wild and George gives up. What indications are available on the panel, and what is the PF supposed to do?
1. Check the pitch attitude and thrust.
2. If pitch attitude or thrust is not normal for phase of flight:
Autopilot disengage switch . . . . . . . . . . .Push
Autothrottle disconnect switch . . . . .. . . .Push
F/D switches (both) . . . . . . . . . . . . . . . OFF
Establish normal pitch attitude and thrust setting for phase of flight.