I don't have the option for a 1600x900 display so I guess that setting is specific to the mini pc display.

Using the raspberry pi configuration dialog and changing both Display Resolution and Headless Resolution, the Ekos-Kstars dialog is displayed at the same size on screen with no improvement to text size. What I do notice, if I expand the Ekos-Kstars dialog to full screen it looks better but normally I want it smaller and floating.

There is also an Appearance Settings dialog and by setting the defaults to small screens this displays the Ekos-Kstars dialog correctly at a reduced floating size. Appearance settings fixes the problem.

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