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Acrobat Output Preview panel behavior change: Simulation Profile changed appearance, now values

Engaged ,
Jan 15, 2025 Jan 15, 2025

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I'm currently seeing this behavior in the 2024 version. I'm not sure with which version this changed.

Architecture: x86_64

Processor: Intel

Build: 24.4.20219.0

AGM: 7.1.8

 

So when you open a PDF, the Output Preview panel defaults to your working color profile, either set in the Acrobat preferences or synchronized through Bridge. Unless of course, the PDF/X file had a specified Output Intent, where it will default to that Simulation Profile. The ink values in the Separations are consistent with the exported file.

 

I know I'm not imagining things, but it used to be when you changed to a different Simulation Profile, the view of that color breakdown would change, showing how that ink formula would appear in that other printing condition. All the numbers stayed the same, but their chromatic appearance on screen shifted to simulate the other condition. This is what (we assumed) this function was for.

 

Now it's behaving differently: now if you switch to a different Simulation Profile, the values of the inks change. The appearance stays the same, but all the ink numbers move. This is consistent with a conversion.

 

A similar behavior would be in InDesign, or Photoshop, with the difference between Assigning a color profile, or Converting to that same profile. One changes the appearance of those values, the other changes the values to preserve the appearance.

 

This new behavior is causing issues for us. 

 

If I have a file I know is destined for a Fogra press, but was not output with an Output Intent specified, when I open it on my system, where my default CMYK profile is GRACoL 2013, that's the profile the Output Preview panel will display. When I change the Simulation Profile to Fogra 47, I get different CMYK values in the art. But I need to see the original values but in that other profile.

 

This is not how this panel is supposed to work — not how it's labeled, not how it used to work in the past. I am not converting the color — my printer is not converting the color. (Most of them will not accept a color-managed PDF.) They are plating the ink values I've given them. Is that not the purpose of the Simulation Profile, in the Output Preview panel?

 

Or someone tell me my memory is wrong, and this is some kind of Mandala effect, and this was always the behavior.

 

Is there some application preference or setting to revert to the previous behavior?

 

(I do not currently have an installation with an older version — 2021, 22 — to show screen shots of the different behavior.)

 

 

TOPICS
Modern Acrobat , PDF , Print and prepress , Standards and accessibility

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Adobe Employee ,
Jan 30, 2025 Jan 30, 2025

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Hello,

 

I hope you're doing well, and we apologize for the delayed response and the trouble.

Please ensure you have the latest version of Acrobat installed on the machine: 24.005.2039x Planned update, Jan 23, 2025. Check for any pending updates from the Menu > help > check for updates, install the updates, restart the app and the machine, and check.
For more information, see this: https://adobe.ly/40z1JRj.

 

Check Acrobat Preferences: Ensure that your color settings are correctly configured in Acrobat. To know more see this article: https://adobe.ly/40CMWoz

Also, check this community discussion and the article and try the suggestions: Change default profile for Output Preview? - Adobe Community - 9711561

Previewing output (Adobe Acrobat Pro)

 

I hope this helps.

Thanks,

Anand Sri.

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Engaged ,
Jan 30, 2025 Jan 30, 2025

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thank you, @AnandSri , for your reply.

 

I feel you've misunderstood the issue.

 

I know how to set my color preferences in the application. Configuring the color management settings and profiles for my organization is my job.

 

Also, upgrading is not an option for me, as my environment is managed by the enterprise. Unless you are telling me that this behavior is a known issue (I could not find references to it) and this was addressed and corrected in the latest (just this week?) update. I also could find no references to this issue in any bug reports/feature requests. (So I created one: https://acrobat.uservoice.com/forums/590923-acrobat-for-windows-and-mac/suggestions/49354673-acrobat...)

 

My issue is not the default profile that's used for output simulation.

 

My issue is when I change the output simulation, the visual simulation of that output is not applied to the existing color, but my existing ink values are changed to match the visual output in the other profile.

 

I do not want to know how the values will convert — if I were to convert them to the other profile. I need to see how these ink values will appear in the other (simulated) profile.

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Engaged ,
Jan 30, 2025 Jan 30, 2025

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just want to add that this is a change from previous observed behavior. It was not always like this. At some point it was changed.

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Engaged ,
Jan 30, 2025 Jan 30, 2025

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LATEST

From the last link: Previewing output (Adobe Acrobat Pro) https://adobe.ly/40FBA36

You can simulate how your PDF will appear under different conditions using the Output preview feature....
Changes made in the Output preview dialog box directly affect your document's appearance....
Note: 
If you are using a color management system (CMS) with accurately calibrated ICC profiles and have calibrated your monitor, the onscreen separation preview colors more closely match the final color separation output.



This is *not* the application's current behavior. This is the previous, expected behavior.

 

Currently, the application modifies the ink values in the separations — altering the separations, not the appearance of them.

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