ATV2000 comes bundled with its own DirectShow based player with filter adjustment, subtitles viewing, aspect ratio, framerate change etc. support.
Playback
When Open with original video size checked, then ATV2000 Player will adjust its video window size according to your videofile size.
If you check Run in the center of screen option, then ATV2000 Player will always start justified to the center of screen.
Allow multiple instances of player does just this what is written. So if unchecked, then only one instance of Player is allowed.
When you check Associate with supported files option, then all player-supported videofile extensions will be associated to be open by default in ATV2000 Player.
If Display OSD checked, then will be showed player events informations in form like in ATV2000 Window.
Subtitles
Here you can set desired Font name, size and color. Remember that other font settings are ignored! And remember for second time that the size setting is related to video window height.
If you check Transparent subtitles, then the subtitles will be showed transparently, that means without black background. Not all graphics card supports this feature.
Checking Use black border too have sense only if you set transparent subtitles. When selected, then subtitles will be showed with black character contour to better contrast with video.
Again, checking Opaque font border have sense only if you set transparent subtitles. When selected, then subtitles will be showed with opaque character contour to even better contrast with video and subtitles color.