This manual provides step‑by‑step instructions for operating the Kolin PT‑501/502 television. It describes the functions of the front‑panel keys such as POWER, MENU, FN and AUTO, and shows how to switch between video sources.
It also covers how to connect external devices via VGA, DVI or RGB inputs, and includes a simple troubleshooting section for common issues like no power, poor picture quality, or audio problems. This manual is written in Chinese.