Leer esto que ponen en las américas:
"I've recently experienced a phenomena on TV where the brightness of the screen changed according to the content displayed, or more commonly known as "floating black". It was very evident in the opening credits of Star Trek: First Contact.
Is there any explanation for this phenomena or should I contact a Panasonic representative to look at my TV?"
"Thank you for your e-mail. Please be advised that the phenomenon you described below is a normal effect of the “bright-to-dark” transition of the picture scenes, and is not an issue with the TV. In order to minimize power consumption, the TV - by design - is regulating the overall panel brightness level. This means that when the brightness of a particular movie scene abruptly changes from the bright to dark, the power supply adjusts the average picture level accordingly, thus resulting in brightness transition change sometimes noticeable on the panel screen. Also please note that any Plasma panel screen will emit a certain level of brightness when it is powered on. In order to minimize this effect, we recommend setting the Picture Mode to either Cinema or Custom as these (2) Picture Modes do not have the same power requirements. Also, please ensure that the C.A.T.S. (Contrast Automatic Tracking Systems) setting in Picture sub-menu is turned OFF (note that when it is turned ON, this feature can affect the picture brightness especially if there is a change in the room’s ambient lighting condition)."
"Is there any possible way to override this power consumption design? This design creates a very unpleasant viewing experience when watching a movie on the Panasonic plasma. I do want to keep the purchase I've made from Panasonic, but the experience have left me unconvinced of keeping it.
"
"Thank you for writing again. Please note that there is no way to override the power consumption design of the panel, such that you have requested below. The panel is regulating the brightness, such as noted, and this cannot be changed or altered.
Thank you."
Como bien venís diciendo un tiempo atrás, Panasonic asume los floating como algo normal en el funcionamiento de la TV.
Aunque me repita como el ajo, recomiendo encarecidamente a los que se rayan con este tema, que instalen un sistema casero de ambilight. De esta manera, a parte de cuidar la vista, los floating no se notan nada.



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...anda la que nos hubieran ahorrado...en especial a Supercurro.
"La necedad moderna no es la ignorancia, sino el no-pensamiento de las ideas preconcebidas."
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