high there i m a fully qualified tv installer/ calibrator with regards to hdtv test settings their wrong .
mine were done with a proper colour meter not a d.i.y spyder
cinema mode
contrast - no change
brightness - 1 click left
sharpness - 1 click left hd / no change sd
colour no change
colour temp warm hd / nomal sd
colour managment . off
picture overscan off hd - on sd
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so please ignore vincent with his tv hobby he has over at hdtvtest ,
i do it for a living
about screen burn please dont confuse retention with burn their not the same,
download your self the pioneer break-in disc and ,
set tv up for burn in
normal
set all picture setting to just under half way and run it for a few hours then power it off for 3-4 hours then switch back on and repeat process 5 times
also upgrade the mains cable try russ andrews power max t