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I bought a new monitor and since I'm a hobbyist photographer, I borrowed the i1Display Colorimeter from my neighbor, who is a professional photographer.

The monitor is a Dell U2515H and I'm using Windows 10 and Lightroom 6.

I basically want to have two profiles. The first one being D65 and 160cd/m² for everyday use and the second one being D50 and 100cd/m² for softproofing in Lightroom with the icc Profiles from the online photo lab.

My monitor supports x-rite's automatic monitor control (ADC), so I don't have to fiddle with the settings by hand during the calibration.

My question now is this: Since during the profiling process the R/G/B and brightness values of the monitor are changed, I cannot simply switch profiles in Windows' color management, can I? If this is true, I would have to calibrate it every time I want to switch between the two. There must be a better way for this, right?

Now, I could just turn off any alteration of the monitor's values during profiling. Is this the way to go? Are there drawbacks to this method?

Oh and btw: Before you ask why I didn't ask my neighbor that question, he is on vacation

Thanks and warm regards from Germany,

Aeolus X

edit: Add Dell Display Manager screenshot

Display Manager

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    Why in the world do you want to crank your monitor up to 160cd/m²? Are you using outdoors in direct sunlight? Once you've used it at 100-120cd/m² you'll get used to it and never go back. – Michael C Aug 2 '16 at 16:59
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My question now is this: Since during the profiling process the R/G/B and brightness values of the monitor are changed, I cannot simply switch profiles in Windows' color management, can I? If this is true, I would have to calibrate it every time I want to switch between the two. There must be a better way for this, right?

The process consists of two steps. First you set the display as close as possible to the desired state and then you measure it and create the profile. So the profile is describing the state of the display from the first step. If you change the display settings, the profile becomes incorrect.

Now, I could just turn off any alteration of the monitor's values during profiling. Is this the way to go? Are there drawbacks to this method?

Depending on the calibration software you have, you could, for example, leave the monitor at 6500K and 160cd/m2 and make the calibration for 5000K and 100cd/m2. In this case the corrections will be written to the profile and applied by the software to the image data. Since the data have limited precision and fineness (max 256 levels for 8bit video), they are sensitive to modifications and you are increasing your chance to get posterization, uneven gradients or some other undesired artifacts. I'd suggest getting the display hardware as close to the desired settings as possible.

Possibly the software you use would allow you to create the profiles with manual control over the brightness, contrast and RGB settings. You could write down what the setting was when you were prompted to change it during the first calibration step and change it manually when you switch between the profiles.

My suggestion would be to use just one profile and one setting. Unless this is really good display designed for color critical work, my personal preference would be around 6500K (closer to the native white point of the display, 120cd/m2 or so and native gamma.

  • Yeah, that's how I did it now and it works like a charm. Thank you! – user45492 Aug 5 '16 at 8:59
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Not sure if it applies to the U2515H, but for the U2413 I used to Cal1 and Cal2 presets to store different calibration settings in the monitor using the i1Display Pro.

To switch between them I use the controls on the monitor or the Dell Display Manager. Also need to switch the Windows profile afterwards.

enter image description here

  • I like that solution! However, there are no CAL 1 and CAL 2 options in my display manager. Were those there by default or did you add them yourself? I edited my original question to contain a screenshot of my display manager. Benutzerdefiniert = Custom in German. There is also only one custom color setting in the OSD. – user45492 Aug 2 '16 at 17:16
  • They are present by default (in the software as well as in the monitor menu Presets -> Color Space). If you don't have them for the U2515H it might just be that they are not supported, in which case I see no other option then to manually change the brightness and other monitor specific settings when switching profiles. – D. Jurcau Aug 2 '16 at 17:20

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