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

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