Can some explain the "hz" parameter?

BlitzMax Forums/BlitzMax Beginners Area/Can some explain the "hz" parameter?

Yeah I've never seen proof of a CRT blowing up with the wrong HZ.

IH: I still have a CRT as I prefer it for action games as I don't like the TFT blur (or interpolation if running the game at a res which is not the standard res of the TFT)