Exposure slider in raw converter

THE exposure slider Goes to 0 everytime I touch another slider in ps cc RAW converter
( same problem in ps 6 ) one week ok than again same problem .

I suggest first checking the PV2012 information at the two links I provided.
Andrey Tarasevich wrote:
So, with the old "Exposure" slider I had a semi-formal/mechanical method of adjusting exposure: just increase (or decrease) it to the point when there's no highlight clipping. But what would be the proper way to use "Exposure" slider in PV2012? How do I decide the "Exposure" setting now? Just by the look of the picture on the screen?
Yes. As explained the PV2012 Exposure control is now primarily used to set the midtone exposure levels only. The Whites control is used to establish or change the White clipping point, and same for the Blacks control.
If you want to get a visual picture of just how the PV2012 controls work on a raw image download this file:
http://forums.adobe.com/message/4602370#4602370
And here for information on differences between the Basic panel and Tone Curve controls:
http://forums.adobe.com/message/4789422#4789422

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