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Acer XB271HU- share your experience and show pics! - Page 554

post #5531 of 7847
Quote:
Originally Posted by thedosbox View Post

This post contains links to a couple:

http://www.overclock.net/t/1581181/acer-xb271hu-share-your-experience-and-show-pics/2980_20#post_24777979

Man all those were bad (yellowish or reddish) except for crest's.
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post #5532 of 7847
Quote:
Originally Posted by exzacklyright View Post



Man all those were bad (yellowish or reddish) except for crest's.
That might be because the one that @Crest posted was left at default colors (RGB settings normal) and relied on the color profile to fix the whitepoint. Did you try changing your RGB settings to the same as the users that posted profiles? (ex. @zerocool23 suggests RGB settings of 97-93-100, which should pull out most of the yellow/green tint)

Really, you should be able to get most of the way to a calibrated screen just by setting your RGB gains correctly to reduce the yellow tint. The one thing you'll probably have to use a profile for is to fix the gamma. By default it will probably make dark colors too bright / washed out looking. If you find RGB settings for your screen that get a white color you're happy with, you can try my profile that just corrects the gamma and leaves the colors alone. I posted it here:
http://www.overclock.net/t/1581181/acer-xb271hu-share-your-experience-and-show-pics/5060#post_25108348
post #5533 of 7847
what about simply setting the monitor into sRGB mode and then adjusting the brightness to your preference ? How will that look ?


Ive heard reviews say that is more than sufficient for most average users and that sRGB modes by default look good on PG279Q / XB271HU

though, i dont know if sRGB affects input lag on XB271HU or not
Edited by ChevChelios - 6/15/16 at 6:47am
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post #5534 of 7847
I think once your calibrate your monitor to 6500k white point, most of the yellow tint should go away. Now, if you have a yellow tinted monitor to begin with or you think that the calibration is too yellow for you, then you can adjust red and green level to your liking. The calibrator really enhances your gamma and dark level,as well as your white color temperature like Nefrusy said.

As for SRGB mode, its a good start, however, you are limited to your SRGB color gamut. Some monitors can show over 100% srgb colors, while others fall short. Mine for example, can only show 99.2% srgb gamut when srgb mode is used. You can give it a shot, or try to calibrate it using srgb mode, but I am almost positive, rgb/ regular mode will give better color representation when calibrated.
post #5535 of 7847
Quote:
Originally Posted by ChevChelios View Post

what about simply setting the monitor into sRGB mode and then adjusting the brightness to your preference ? How will that look ?


Ive heard reviews say that is more than sufficient for most average users and that sRGB modes by default look good on PG279Q / XB271HU

though, i dont know if sRGB affects input lag on XB271HU or not
Sometimes sRGB modes are pretty good... but in this case all it does is switch to these settings:
Brightness: 80
Contrast: 50
Colour Temp: Warm

As soon as you touch one of these settings, the sRGB mode turns off. But it really isn't doing anything other than flipping those particular settings to those pre-loaded values. I tested with my colorimeter to confirm, the color gamut stays the same.
post #5536 of 7847
Quote:
Originally Posted by nefrusy View Post

Sometimes sRGB modes are pretty good... but in this case all it does is switch to these settings:
Brightness: 80
Contrast: 50
Colour Temp: Warm

As soon as you touch one of these settings, the sRGB mode turns off. But it really isn't doing anything other than flipping those particular settings to those pre-loaded values. I tested with my colorimeter to confirm, the color gamut stays the same.
wait what ? you cant even adjust the brightness on XB271HU without the sRGB mode falling off ? for real ?


can you do decent calibration with simply online tools/websites ? if so - which ones ?
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post #5537 of 7847
Quote:
Originally Posted by ChevChelios View Post

wait what ? you cant even adjust the brightness on XB271HU without the sRGB mode falling off ? for real ?


can you do decent calibration with simply online tools/websites ? if so - which ones ?
I was trying to point out that sRGB mode doesn't do anything useful on this monitor. On other monitors, for example my U3011, it actually changes the color gamut of the display. On the XB271HU, it's basically just a preset mode for Brightness=80, Contrast=50, Color=Warm. You can achieve the exact same results by simply setting those values manually... in other words its usefulness is limited.

From what I've seen from other users (and my own experience), the monitor doesn't need much calibration to make it look good anyway--unless you got a panel with really bad uniformity, meaning it may look white in the center, but the top or sides may look darker/brown/yellow etc. As long as you have a decently uniform display, you can just pick Color=User, then set the RGB gains to get a decent white. Obviously it's easier if you have a colorimeter so you can measure exactly how white it is, but you can probably do just as well by eyeballing it.

My recommendation for settings is something like this:
Brightness: 25-30 (higher if you really like bright screens, but that should be close to a calibrated 120 nits)
Contrast: 50 (going higher will start clipping bright colors)
Color Temp: User, RGB values R97-G93-B100 (this assumes a screen with a yellowish tint, which most seem to be)

So really, the only two controls I recommend playing with are Brightness, and Color Temp RGB gains. I spent a lot of time trying out the different modes and settings, but most of them are better left at their default values (usually off). Brightness is a personal preference thing, and Color Temp can help take away any tint. If whites have a yellowish tint, then lower Red & Green. If it's reddish then lower Red. Etc.

FYI, the Warm color mode is simply RGB = 100-100-100, which isn't that far off of 6500K calibrated for my display. In my case I get about 6200K with a little yellow tint.
post #5538 of 7847
thanks man
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The Green Beast
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post #5539 of 7847
Quote:
Originally Posted by shafat77 View Post

In regards to the 20th pin, I do not thing there is any immediate damage concern. It does add a slight jolt of voltage in the cable and the connectors. It is mostly a issue if you use any sleep feature on your monitor (Deep Sleep) or from your pc. When the monitor needs to wake up, that's when the high voltage kicks in.

As for the VESA complaint brand, I stumbled upon Accell by reading some of the reviews in amazon. I was a click away from buying Amazon Basic cable before I learned about this issue. Since DP is very finicky, so please do not cheap out on cable. Get a decent well priced cable and most of you connector issues will go away
Thanks, Shafat! New cable is working great. I wish they didn't even include a DP cable with the monitor given how much headache it may cause.
post #5540 of 7847
I really think if you are going to buy a monitor as expensive as this one, you should be able to afford to buy a display color calibrator such as the colormunki display. All these questions about proper calibration settings would be solved.
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