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Gamma levels between HDMI 1.4/2.0 and DP

Hi, I’ve got this monitor and have noticed significant differences in gamma when switching between HDMI 1.4 and 2.0 inputs. More specifically, gamma reaches absurdly low levels when using HDMI 2.0, resulting in an awfully washed out image. It’s far from perfect under HDMI 1.4 too, but it’s not as bad. Unfortunately, I don’t have a DP cable, so it’s impossible for me to run any tests with the DP input.

Have you noticed the same thing during your tests? Are gamma levels under DP the same as HDMI 2.0?

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    Have you checked to make sure that the monitor isn’t using different settings? It is possible that it has different presets for each input, and you will need to change your picture settings on each one. We only test one input, as there shouldn’t be any difference. In this case, the monitor was tested using DisplayPort for most tests.

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    Yes, I’ve been using the “Standard” preset along with “Dark Stabilizer” set to 0, brightness to 40, contrast to 75. “Dynamic Contrast” is off.

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    Yes, I’ve been using the “Standard” preset along with “Dark Stabilizer” set to 0, brightness to 40, contrast to 75. “Dynamic Contrast” is off.

    Thanks. We want to test this, but we have limited testing resources, so it might be a few weeks until we can do this.

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