Shenzhen Lianxin testing equipment Co., Ltd. (hereinafter referred to as "Lianxin Testing Co., Ltd") and Hong Kong Lianxin testing Limited (hereinafter referred to as "Lianxin Testing Co., Ltd") are global high-tech enterprises specializing in the research, development, production and sales of wire and cable, mobile phone and environmental testing equipment, high-voltage tester and low-voltage tester. With excellent working environment and advanced production equipment, we have introduced a group of high-quality knowledge-based technicians and sales elites, which has laid a solid foundation for the rapid development of the company.

Diode operating instructions:

First press (shift) up key to release, then press (R) resistance editing key to enter the second level tube editing. The name is the number, and the plus and minus points are the points on the instrument connected to the diode. After the above editing, move the (left and right) key to (standard value) and press (S1) to learn in one step.

Note: (8986n can't test the positive and negative voltage of diode)