Problem with pressurization

Hi to all, I have a problem with the pressurization module of Poldragonet overhead, I try infinite combination of setting to FSBUS for the encoders (FLT ALT and LAND ALT), if I set the step parameter to value "2" the display increment correctly but in both rotation, if I set value to "1" display decrement correctly but in both rotation.

Other problem is the display, the value displayed is random and not sincro with PMSYSTEMS.

Anyone can help me?

Thanks to all.