For MSFS 2024 newer aircraft (G1000 buttons too) the rotary button’s push function is Left mouse button first, hold and then Right mouse button. This is applied to the MAX’s baro STD button too 
For MSFS 2024 newer aircraft (G1000 buttons too) the rotary button’s push function is Left mouse button first, hold and then Right mouse button. This is applied to the MAX’s baro STD button too