OPERATING METHODS THREE-POINTS RADIOLOGICAL technique with selection kV/mA/mS, or two-points radiological technique with selection of kV/mAs. The values and the exposure time are always selected and displayed, automatically by the microprocessor, on the touch screen display before each exposure. AUTOMATIC CLOSEDOWN The unit is fitted with an automatic closedown system after 30 minutes of not being used. This features prevent the unit from remaining on by mistake for long periods thereby avoiding jeopardising the x-ray tube operation (focuses always on). OPERATING AND CONTROL TABLE User interface with TOUCH SCREEN DISPLAY, which includes an alpha numerical keypad to enter the types of examination to put into the memory and the keypad for entering the patient data to be printed in case of a D.A.P. room. The dose is displayed directly on the touch screen.