During your breakin in period which should last a minimum of 100 hours the panel should have the brightness and contrast reduced. This is what is generally recommended. You dont need the ECO mode try the personal setting . It is also recommended that you limit viewing of any static images during this period.This includes news tickers. After this period you can slowly increase the percentage of time you view these types of images. Some will say you dont need a breakin period, however I own a Philips plasma 9630a and I followed the breakin thread advise. After six months I have no image retention or burnin .