Operate instruction:

1. Use the 3 movable objects to choose the best position on the PCB.

2. Adjust the two objects which can move up and down to achieve the best width and strength.

3. Then use the automatic screws to fix it on the workbench.
4. Hold one side of the PCB， push back， put the other side into the mobile area and finally fix the repairing unit with screws.