High APL scenes with minimal ABL system effect!! - AVS Forum
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post #1 of 9 Old 07-11-2010, 08:17 AM - Thread Starter
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hi
first , Sorry if my English is bad.
I want a plasma tv that can set highest luminance level even on high APL scenes , Please tell me Which of these three sets can be better handle high APL scenes whit highest luminance level and minimal effect of plasmas ABL system Before calibration because I want this set for a shop with Plenty of light and Color accuracy ... is not very important for me.
1)Samsung C8000
2)Panasonic VT 20/25
3)LG PK950
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post #2 of 9 Old 07-11-2010, 10:58 AM
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Probably the Panasonic VT 20/25 in Custom mode with panel brightness on high.
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post #3 of 9 Old 07-11-2010, 01:08 PM - Thread Starter
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Thank you for your help
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post #4 of 9 Old 07-14-2010, 06:21 AM
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Quote:
Originally Posted by chad b View Post

probably the panasonic vt 20/25 in custom mode with panel brightness on high.

+1
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post #5 of 9 Old 07-14-2010, 09:54 AM - Thread Starter
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Thank You for answering my question.
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post #6 of 9 Old 07-11-2014, 09:44 PM
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On a Panasonic, setting "Panel Brightness" directly tied to ABL? Great to know!
If setting Panel Brightness to High increases maximum luminance without degrading the blacks, doesn't it makes it the best setting on practically everything?
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post #7 of 9 Old 07-11-2014, 10:20 PM
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Yes but mid and low panel brightness have smoother gradation which might be preferable in some situations, my advice never use "normal mode", it is tuned for energy star compliance

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post #8 of 9 Old 07-11-2014, 11:22 PM
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What can I see from this graph in terms of ABL and Presets?

I read somewhere that Panasonic plasma's are locked on 8-bit processing for all presets except on Custom & Cinema, so
gradients should not be visible on a smooth grayscale with these two even in High Panel Brightness mode.
I may be wrong because my TV is not here yet.

I'm definitely going to do some heavy tweaking, measuring, service menu playing, on my ST60 panel right after the 150 hours of slides, to clear some fog for me and others.

A quick way is to ask a certified technician like D-Nice, but the dangerous way is much funner.
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post #9 of 9 Old 07-12-2014, 12:26 AM
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I agree try everything for yourself, Cinema and Professional mode are suppose to be nice and smooth but I wonder how they hold up in high panel brightness, and if not does it really matter at your viewing distance

The graph is showing the power curve of my set at different APL (average picture level), I wanted to see where ABL kicks in so I took ten samples for each mode with a multimeter, they call it a brightness limiter but it is more guided by power resitrictions as you can see
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