This manual outlines important safety precautions for the Sanyo STU‑321T, STU‑371T and STU‑426T video boxes, including warnings about water exposure, proper placement, and the need for professional installation of wall‑mount brackets. It also details correct power‑cord usage, battery handling, and cleaning procedures to prevent fire hazards and equipment damage.
Operational sections describe how to use the device in various modes such as HDMI, D‑SUB, high‑quality video, and audio‑only modes, as well as how to connect external sources. Installation guidance covers required clearances for ventilation, mounting requirements, and the use of the supplied power cable and accessories. This manual is written in Chinese.