Range 0-31Range 0-31Range 0-31Precision Glide ControlSilent DriveAlways dimF1 or F4 controls dimmingControls how headlight dims (CV 52 controls amount)Front headlight never dimFront headlight can dimControls how front headlights dimControls how much headlights dim (0-dark to 255-max bright)Always dimF1 or F4 controls dimmingBack headlight never dimBack headlight can dimControls how back headlights dimsControls how much headlights dim (0-dark to 255-max bright)Bachmann