Chinese user manual with safety instructions, operation steps and maintenance guidelines for the Nanjing voltage meter.
This manual provides the safety precautions that must be observed when using the voltage meter, including warnings about electrical hazards and proper handling. It also describes the basic operation procedures, such as turning the device on, selecting measurement ranges, and interpreting the display.
Additional sections cover routine maintenance, cleaning, and troubleshooting tips to keep the instrument in good working order. The document includes reference numbers, ISBNs and copyright information for the original publication. This manual is written in Chinese.