Operation:
1.Take out the machine from the case then insert the output plug into switch of the machine
2. Connect to the 220V electrical power, and the green indicator light will shine, then put the be observed product into the detection interval (try to near to the imager) then turn on the shift knob
3.the machine will be cut off after about ten minute automatically , after few seconds , turn on the machine again , use , you can watch on the monitor display
4. Turn off the power switch after observing