... machine is also provided with a tube head cantilever moving up and down. It is easily to set the tube head of ... tube head cantilever to its lowest position, and lock it up for the convenience and safety of machine movement.10.The ... Meter, Power Indicator, Warning Indicator, Power Adjustment Knob, mA Selection Switch, Output Switch, High Voltage Selection Knob, Maximum Ratings Table, Ammeter, Time ...