While there is no single official "Zy-8068" product widely documented in a standard manual format, this model number often refers to specialized industrial or electronic components (such as specific LED controllers or small-scale machinery modules).
Manual Solution: Low battery or dirty contacts. Zy-8068 Manual Pdf
Look at the diagram of the terminal jacks. While there is no single official "Zy-8068" product
Program (P1-P12): Most ZY-8068 units come with 12 pre-set interval programs. Press the "Program" button while the machine is stopped to cycle through these profiles. Zy-8068 Manual Pdf