Caty, I understand your post as a quiet and polite response denying the arguments of my last post. If we consider the images that you posted, my assertions do not hold up, but I reaffirm what I said. I agree that only arguments are not enough, we need concrete evidence, but it is not the case with the images you show. What is the source? What is the theme file software version? (looks pretty old, because not even have the theme Navigon). Would that the Belgium, Luxembourg and Polska themes are empty or not? We do not know, although they appear to have different content. The only way to know would be if we make our own capture or use recent images from known and trusted sources. Also we do not know which version of firmware gps is used, which map used (when there is not City Navigator the themes can work imperfectly). It is also important to mention the country, there is a possibility of a color overlay with maps that have local peculiarities.
I can say with absolute certainty that these empty themes are using the same parameters of garmin theme, like show some images that follow, identical for both themes, in my country and and in the following conditions: nuvi 3790 -> 3490, fw 7.20, CNSA 2013.30, I even did capture.
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