All true, but to clarify, my comment re 60 Hz referred to the refresh rate on a CRT, not an LCD.
keith Rob Studdert wrote: > > On 23 Oct 2003 at 16:08, Keith Whaley wrote: > > > In my opinion, it should be closer to 72 Hz. > > Mine performs well at that speed. > > > > 60 Hz is right at the edge of being a visible flicker... > > The frequency of the light emanating from a back lit LCD is many times the > display refresh rate unlike a CRT plus LCD pixels are relatively slow to change > states so lower screen refresh rates are possible. > > Visibility is a function of text to background contrast ratio, ambient lighting > and screen resolution. It not sufficient to say white text on a black > background is just bad design. > > Rob Studdert