... in high frequency and electric arc.2.2 Specification(1) X-ray generator: X-ray tube:Cu target, anode-grounding, fan cooling;Tube voltage ... will be light (red).the following should work well.(1) X-ray tubes filament is light, adjust the mA knob, at the same ... (red), Open the shutter of X-ray , there is X-ray penetrates. In order to check whether there is X ray that penetrates, you can adopt ...