The Lenovo POWER DVD manual provides step‑by‑step instructions for using the commercial DVD player. It covers basic operation, navigation of the PowerDVD interface, and accessing help via the "?" or F1 keys.
The document also details the DVD region code system, listing the six region groups and describing how to set or cancel a region. It notes that the region setting can be changed up to five times before it becomes locked. This manual is written in Chinese.
The region code can be changed a maximum of five times.