If you need to have a TV calibrated, Best Buy has their TV Calibration Service on sale for $149.99 (normally $249.99). From their site: "A professional ISF-certified Geek Squad Agent will use precision equipment to calibrate your TV". I've had two TVs calibrated by them over the years. The last was a KS8000 purchased in January. I'm picky and wasn't satisfied with the calibration settings provided by Rtings.com. The calibrators came out, spent about two hours at my home, and made it right. Meter used was an X‐Rite i1Pro 2. Source was a Murideo SIX‐G Generator. I know Geek Squad has a bad rep for some things, but they did a great job on multiple TV calibrations for me, one a 1080p LG a few years ago and the 4K Samsung about a month ago.