public int supportedSpeedModes(){
  return (DccThrottle.SpeedStepMode128 | DccThrottle.SpeedStepMode28);
}

public int supportedSpeedModes ( ) { return ( DccThrottle . SpeedStepMode128 | DccThrottle . SpeedStepMode28 ) ; }
what speed modes are supported by this system ? value should be or of possible modes specified by the dccthrottle interface
