Join Date: Aug 2013
Location: Franklin, TN (mostly)
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I don't think this is a good idea. There are too many static images when using a PC (desktop, toolbars, windows, etc.). If I leave a static image up on my Panasonic plasma for more than just a few minutes, I'll get some image retention. The images haven't been permanent (i.e., burned in), and I can use the anti-retention feature to remove them, but I really try not to use the TV as a PC monitor.
I didn't look it up, but if the LG plasma has an anti-retention feature, at least turn it on. You'll know pretty quickly if you're getting any retention.