... and electric arc.2.2 Specification(1) X-ray generator: X-ray tube:Cu target, anode-grounding, fan ... magnifying, digital counter, air pump , cooling fan , x-ray tube.4.2. The tube housing of orientation unit ... lamp is light (red), Open the shutter of X-ray , there is X-ray penetrates. In order to check ... , Switch on the high-voltage and open X-ray shutter, slightly rotate the hand wheel until intensity ...