[KaBoS]

Install the Keymap Editor add-on, then it should be under Fullscreen video/Other/Show codec info. Edit that to use what ever button you want, just make sure that it doesn't control something else while the video is playing or you could end up with double commands.

All good , Thank you so much
Another question I read wiki codecinfo

But question How do I know Of this information That (adjust display refresh rate)
Working and change the refresh rate good not problem ?

Thanks .