The Setup menus are easy to understand. In each tab you can change various important features of the player.
In the "Audio" section you can set various output audio modes/levels according to your system' s hardware:
The "Video" tab allows you to change the Aspect Ratio and choose the correct and TV system:
The "System" tab holds the local system settings, such as the menu language and text encoding for the subtitles:
Another important feature there is the BT client and system the update option, which is very useful for firmware updates.
Finally the "misc" tab allows you to enable/disable various menu features such as the preview, resume play etc...