Hands On: LG 84LM9600 4K Ultra HD TV
Plus-sized TV requires 4X the pixels of HDTV
November 29, 2012 by Grant Clauser

I started off digging into the TV’s menu and doing a basic calibration. The TV has a variety of pre-set video modes, including a Cinema mode that came very close to the final value after my own calibration. It also includes a feature called Picture Wizard II, which guides you through a set of images to help you properly set the TV to your preference. I’ve used it before, and it works well.

In addition to the basic controls, LG includes advanced features like Dynamic Contrast, Super Resolution, Color Gamut, MPEG Noise Reduction, Black Level, Dimming Level and TruMotion (a 240Hz refresh rate processor). This set also offers full ISF day/night modes. For some reason the advanced picture settings are divided into two menus: Expert Control and Picture Options. This can make finding the feature you want a little difficult.

After finalizing my settings, I ran through several Blu-ray discs of test patterns. On dark fields I could clearly see some light blooming around the edges from the edge-mounted LEDs. This was most noticeable on the lower right and top left corners. When a bright white element was added to the scene, I could see some light leakage affecting an area around the bright element—I was able to improve that by engaging the local dimming (which seemed to work best on Medium setting). I was told that the set had 16 dimming zones. Light issues are prevalent on every LED LCD TV, especially edge-lit ones, which comprises most of the market. You don’t encounter this on plasma T Vs, but there are no 4K plasma TVs. Among other edge-lit TVs, the blacks on this set mostly looked pretty good. On real content material, the light bleeding was minimal and not enough to be a distraction unless you tend to be fanatical about that kind of thing.

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Grant Clauser - Technology and Web Editor, Electronic House
Grant Clauser has been covering home electronics for more than 10 years with editorial roles in several consumer and trade magazines. He's done ISF-level damage to hundreds of reviewed products and has had training from THX, the Home Acoustics Alliance, Control4 and Sencore. His latest book is Necessary Myths. Follow him on Twitter @geclauser.

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