I have found that these 3 way switches, in the TBM at least, can be controlled using the “increase cockpit interaction binding”, the same one used for the incremental control of rotating knobs.
It means different switches require different controller actions to use, which are not visually obvious. There are at least 3 different types in the TBM:
- 2 way switches where they activate as soon as you press trigger - For example TBM landing gear, TBM 2 way switches to the left of the Yoke such as de-ice
- 3 way switches where they will move in a random direciton if you click them, and you must use the “increase cockpit interaction” binding to actually control them - For example TBM bleed air
- Switches and levers that do nothing on trigger, and require them to be grabbed/triggered and then dragged in the direction you wish to move them - example TBM Flaps, TBM throttle. Arguably the axis of motion for the TBM flaps is not correct - it requires you to move your hand in vertical axis, whilst the flap lever is closer to a horizontal or diagonal axis.
My personal opinion is “grab and drag” is best, and should be applied to all of these switches. This is the method used in the excellent VTOL VR. The increase/decrease interaction can remain optionally available for mapping to a thumbstick, like it is now.