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P3D v3 SAMM2 UI Size

Upon starting SAMM2, the User Interface is properly displayed.
However, "after" the first conversion, the UI window is reduced to a size that is nearly unreadable. Thus, I have to end SAMM2 and restart.
My windows resolution is: 4k x 2k, 3840 x 2160.
I have attached screen shots of both scenarios.
What am I doing wrong?
Thanks in advance.


  • SAMM_Initial_Load_Capture.PNG
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  • SAMM_Post_execution_Capture.PNG
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Resource contributor
Lemon, you'll have to be a little more specific. I see no difference between the two screenshots save that most of the fields are disabled (intentionally) in the first. I don't have any difficulty reading either.

Don, my mistake :), I just did a screen snip of the SAMM2 window in both cases...and you are correct...they both look the same due to the "snip".
I have redone this and expanded each scenario to "full screen" and then snipped it.
Here is the result that shows the initial SAMM2 window (Capture 1) and the SAMM2 window (Capture 2) after the first conversion.
Hope this clarifies...sorry for the mixup on the earlier pics.


  • Saved Pictures.zip
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Resource contributor
I have never seen this before. ( But, then again, I don't have a 4k screen.) It appears as though the dialog has been grossly resized. As for the resizing after save, that appears to be due to a change in Font size.

SAMM does not control overall window size. Nor does it control font size. It draws the controls based on the current font size. I suggest you enlarge the screen font, then resize the window just so it contains the SAMM controls, and close and reopen SAMM.

Don, thanks for sharing the details on how SAMM does not control the window size.
Based on that fact, I found the solution is with Win10.
The fix:
1. Right click on the SAMM2 executable.
2. Select "Properties"
3. Select the "Compatibility" Tab
4. Select "Change high DPI settings"
5. Check the box "Override high DPI scaling behavior"
6. "Scaling Performed by" drop-down will activate.
7. Select from this drop-down: System(Enhanced)
8. Accept the changes and SAMM2 UI will not change due as I have experienced.
FYI, in case others on Win10 with a UHD display encounter this problem.
Thanks for your very quick response and invaluable insight.!


Resource contributor
Thanks. This issue will affect all my apps run of UHD displays. I'll include the solutions in the user manuals.