This manual describes the components and operation of the Sampo PY-Z804EL device, including its sensor, LCD display, and button controls. It explains how to select different operating modes and how the sensor behaves in each mode.
The guide also covers basic troubleshooting steps, such as setting the sensor to the OFF position and using the MODE button to switch functions. Detailed button sequences are provided for various settings and adjustments. This manual is written in Chinese.