Originally Posted by igreg
So 16:9 and watch only 16:9 content; e.g., HBO for the first hundered hours or so leaving set on 24 hours a day, and then switch to screen fit? With my 10 year-old Panasoonic plasma always have used pixel orbiter and never had a problem with IR let alone burn in. Thanks.
P.S. Why would 16:9 involve scaling? Isn't that the ratio of HDTV's? Or do you uses screen fit to enlarge 4:3 and 2:35 to 16:9?
well, 16:9 is the ratio yes, but if you chop off a dozen pixels vertically and horizontally, the signal needs to be stretched to fill the full screen again. screen fit is also 16:9, but it's a 1:1 pixel match to a 1080p source.
the issue I have with using 16:9 is that I don't think it provides any benefit(unless your cable company still uses the outer edge of pixels for time stamps or something, I've seen that on a couple channels still). the pixel orbiter shifts 4pixels max, which means in order to prevent IR, the graphic must be less than 4pixels wide, which is really tiny. a channel logo, or score ticker, or any of the other common risks for IR would only have their edges blurred, hiding IR, but not actually preventing it.
personally, I think there is no prescriptive measures you can take to prevent IR, it has to be reactive. I can't tell you how much scope content you can safely watch, or what channels, or how many hours of gaming is ok. you need to simply use the tv as your normally would, and IF you start to see IR, do something about it. whether that's watching full screen content, running the screen wipe, or changing the way you view whatever content caused the IR is up to you. eventually you'll get an idea of what you can and can't do with your tv.
for example, I'm no longer worried about surfing the web for 3-4hrs straight on my f8500. I know it's not going to do any damage to my tv. I'm not worried about watching a couple of scope movies, or having a long gaming session. but I still try to vary my content, and if I do notice any ir occurring I adjust my viewing. what I consider 'normal use' might seem cautious to others, and reckless to some. so it's really hard to say how you, or anybody else will need to view your tv.