J. Kissel I've found a window to stick in the proper coil driver compensation filters into MC2. As described in LHO aLOG 9956, the compensation now correctly compensates the modified M2 triple acquisition driver, FM1 zpk([13],[65],1,"n") FM2 zpk([11;21],[1;210],1,"n") FM6 zpk([65],[13],1,"n") FM7 zpk([1;210],[11;21],1,"n") The Binary IO filter logic had been changed long ago, so everything works as designed now. Also, I've cleaned up and removed what was in FMs 3 and 8, which was redundant with FM6 and FM7. The new filter file has been committed to the userapps repo.