HDTV picture settings forum: LG 55LM6700 picture settings

by: katzmaier May 9, 2012 12:15 PM PDT

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LG 55LM6700 picture settings

by katzmaier CNET staff - 5/9/12 12:15 PM

Review:
http://reviews.cnet.com/flat-panel-tvs/lg-55lm6700/4505-6482_7-35118097.html

Related products:
LG 47LM6700

Calibration report using these settings:
http://scr.bi/KFKFQr

Below you'll find the settings I found best for viewing the LG 55LM6700 in a dim room via the HDMI input. Your settings may vary depending on source, room conditions, and personal preference. Check out the Picture settings and calibration FAQ for more information.
http://news.cnet.com/8301-17938_105-9996461-1.html

Calibration notes: Prior to calibration the most accurate setting was Cinema, but it was quite dark at less than 20 Fl, crushed details in shadows and looked very plus-red/minus-blue. I took advantage of the Expert settings for my calibration, boosting light output to my standard 40Fl. Among the three local dimming settings I settled on High because it improved black levels significantly compared to the others. The trade-off in gamma is worth it in my opinion.

LG's color management system is different from last year and while I was able to get it fairly close, it didn't seem as accurate as I remember (despite using the proper Luminance, Tint and Saturation commands--an LG first). The grayscale controls were flat-out poor, however, behaving much worse than on past LG's I've reviewed. Adjusting just the two-point system, the high and low settings interacted to such a degree that they basically just behaved like one control. The twenty-point system was broken as well; I had to crank the controls way up or way down to achieve a measurable change, some controls at some levels seemed simply ineffective and again there was too much interaction from one level to the next. I also saw significant variation from measurement to measurement and over time.

Given these issues I ended up not adjusting the 20-point system at all--a shame, since if it worked properly, as its predecessor did on the LW5600, I could likely have fixed the gamma issues of High local dimming--and only adjusting the High portion of the two-point system. Perhaps another calibrator with more time and/or skill could better my results, but after giving it my best shot I found the LM6700 controls disappointing, which hampered its color and gamma performance.

Picture menu:
Energy Saving: Off
Picture Mode: Expert [1 or 2]
Backlight: 89
Contrast: 81
Brightness: 50
H Sharpness: 0
V Sharpness: 0
Color: 50
Tint: 0
Aspect Ratio: Just Scan

--Expert control menu--
Dynamic contrast: Off

Super Resolution: Off
Black level: Low
Real Cinema: On
Color Gamut: BT709
Edge Enhancer: Off
Color Filter: Off
Expert Pattern: Off [grayed out]
Gamma: 2.2

--White Balance submenu--
Color Temperature: Warm
Method: 2-points [did not adjust 20-point IRE; see Notes above]
Pattern: Outer
Points: [High]
Red: 24
Green: 35
Blue: 40
Points: [Low]
Red: 0
Green: 0
Blue: 0

--Color management System submenu--
Red: [Saturation 3. Tint 20, Luminance 0]
Green: [Saturation -10. Tint 0, Luminance 13]
Blue: [Saturation 1. Tint 0, Luminance 20]
Cyan: [Saturation 0. Tint 0, Luminance 0]
Magenta: [Saturation -5. Tint 0, Luminance 10]
Red: [Saturation -10. Tint 0, Luminance 0]

--Picture Option menu--
Noise reduction: Off
MPEG Noise Reduction: Off
Black Level: Off
Real Cinema: On
Eye Care: Off [grayed out]
LED Local Dimming: High

Note: This post was edited by its original author added link to calibration results on 05/09/2012 at 12:39 PM PT

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