Anyone?
I have a new PN50A530, bought from Sams Club. A few questions.
(1) This tv has a circular on/off button on the front, near the samsung logo. All the pictures of this TV, including those on the samsung and sams club wesites, don't have this button. Is my tv an older version? In terms of specifications, is it identical to the 'newer' A530 in every way (including the specs that are not advertised).
(2) After calibration using a THX optimizer disk, the contrast setting comes out very high - 95 to 100. The picture looks better at this setting, and looks dark at lower settings such as 75-80 contrast. Is it going to damage the tv or reduce its life to run it constatnly at a contrast of 100?
(3) What is the "true" contrast ratio of A530? I know that the dynamic contrast ratio is 100,000 for both A530 and A550? Is there a difference in the true ratio between these models?
Thanks!

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