Fuel Master Cut Off.
OR
Gust Lock.
ON= no control surfaces will move( stick will not move ).
Only available on the G950 versions.
Auto Start.
Is available for both versions, but the Master Switch must be turned on first.
OR
Rudder Trim.
950 versions.
For the other versions.
It appears it was meant to be controlled by the hat switch. I haven’t tried setting it up.
It may be available with fsuipc or spad next?
Easiest method (for both versions if you like) is to map something to Rudder Trims.
Reset Rudder Trim really is a must have, especially if you only map Left/Right Rudder Trim,
but also very handy for quick neutral trim anytime.
Bug Logged: Rudder Trim
Ski Version.
Select up or down position, them use Manual Pump back and forth THREE times.
OR
use default Toggle Gear, G key.
Float Version.
Water Rudders.
or use default Ctrl/W keys.
Landing Gear (on floats).
or use default G key.
TailWheel Lock.
It appears this is not modeled for any version.