Your mains will be a specific number (or should be) so you might be getting a 
low (~10Hz?) frequency flicker if your refresh rate is a multiple, or close, to 
it.  Try Googling to see if there is any specific information.  Unless Googling 
is what has given you the headache in the first place. 8-)
> 
> From: "Boris Liberman" <[EMAIL PROTECTED]>
> Date: 2006/06/29 Thu PM 03:21:48 GMT
> To: "Pentax-Discuss Mail List" <[email protected]>
> Subject: Re: Help me!
> 
> Mike,
> 
> My mains are 50-60 Hz... Could it be that 100 Hz refresh rate gets in
> some kind of resonance with mains???
> 
> On 6/29/06, mike wilson <[EMAIL PROTECTED]> wrote:
> > What is your mains electricity frequency?  It might be worth trying a 
> > different refresh rate.
> > >
> > > From: "Boris Liberman" <[EMAIL PROTECTED]>
> > > Date: 2006/06/29 Thu PM 02:45:50 GMT
> > > To: "Pentax-Discuss Mail List" <[email protected]>
> > > Subject: Re: Help me!
> > >
> > > Yes, Tom.
> > >
> > > I set it to 100 Hz.
> > >
> > > On 6/29/06, Tom Reese <[EMAIL PROTECTED]> wrote:
> > > > Hmm...you did set the refresh rate to at least 75 Hz?
> > > >
> > > >
> > > >  -------------- Original message ----------------------
> > > > From: "Boris Liberman" <[EMAIL PROTECTED]>
> > > > > Hi!
> > > > >
> > > > > I've bought Philips 17P50 CRT monitor. For some odd reason it really
> > > > > hurts my eyes. I've run Adobe Gamma and profiled it. Yet, after 10-15
> > > > > mins in front of it my eyes start to hurt real badly. My wife also
> > > > > complains.
> >
> >
> >
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> 
> 
> -- 
> Boris
> 
> -- 
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> 


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