This is a manual that introduces the use of the LH71A / LH72 product.
This manual introduces the Sony LH71A/LH72 counter unit, covering safety precautions, general information, and the functions of the front and rear panels. It emphasizes proper handling, power‑supply requirements, and environmental restrictions to prevent fire, electric shock, or damage.
Detailed sections guide users through initial setup, configuration of basic and advanced settings, key operation methods, and troubleshooting steps. The document also includes specifications, wiring diagrams, and warranty information for proper maintenance and service. This manual is written in Japanese.
No, you must not use any voltage other than the specified power voltage.
No, the device is not explosion‑proof and must not be used in a combustible‑gas atmosphere.