... amount of X-ray irradiation.4. With a perspective KV, MA automatic tracking feature, so that the image brightness ... 8 mA Tube voltage 120 kvAutomatic fluoroscopytube voltage 40 kv~120kv,adjust automaticallytube current : 0.3mA~~4mA adjust ... automaticallyManual fluoroscopytube voltage 40 kv~120kv, continuoustube current : 0.3mA~~4mA continuousPulse fluoroscopytube voltage ...