In the menu used to save images there are two boxes, one for the image width and the other for the image height

In the part of the menu  below I have set the pixel units for the image width to 5000, with the height being automatically set.

These are not the default settings. How can I make them the default settings?

In the version of Chimera that I recently downloaded the default settings were 1600 and 796, respectively. The default settings of the former chimera download (my computer had been corrupted so downloaded Chimera again).

I can’t find anywhere in this image saving menu to change the default settings.

Thank you

Arthur G. Szabo