public DISPlay(ref IDeviceIO Driver)
        {
            _driver = Driver;
            SubsystemIdentifier = ":DISP";

            WINDow_01 = new DisplayWindow1(ref Driver);
            WINDow_02 = new DisplayWindow2(ref Driver);
        }
        public DISPlay(ref IDeviceIO Driver)
        {
            _driver             = Driver;
            SubsystemIdentifier = ":DISP";

            WINDow_01 = new DisplayWindow1(ref Driver);
            WINDow_02 = new DisplayWindow2(ref Driver);
        }