It’s normal for only one Flight Director LED to illuminate, even if both FDs are selected On, because only one FD is Master, like the real aircraft.
TOGA is commanded when N1 THR is pushed for 1 second.
Heading Knob Push syncs heading.
CWS A and CWS B are activated when CMD A or CMD B are pushed for 1 second. The corresponding CMD button blinks when CWS is engaged.
DISCONNECT toggles the MCP Disengage Lever. Push once to lower the bar and disconnect the autopilot. Push again to restow the lever and silence the alarm.
MINS, BARO, and EFIS RANGE knob push functions as on the real aircraft.
Pushing BARO knob sets standard pressure; the display also blanks (this can be disabled if desired).
SPEED INTERVENE and ALTITUDE INTERVENE are integrated directly into the corresponding knob; push to intervene.
COURSE 2 is set as follows:
Push COURSE knob. Display dims. COURSE 2 is displayed.
Dial in desired course using the knob.
Push COURSE knob. COURSE 1 is displayed. Brightness returns to normal.