Thank you for your reply! The reason I thought that the SdKfz is switchable is because it has a damage number for land targets in brackets [x]. What does this number mean then?

I've been playing the tutorial of the iPad version of Panzer Corps and enjoying it. However, I simply don't understand how I should use the Switch button. For example when I have SdKfz units they seem to be able to attack air targets only. Pressing the Switch button doesn't seem to do anything. Can ...