Sorry, but I don't understand what the Lock ICON does after reading the manual and playing a bit.
Could you elaborate about what is meand to "lock layer and allow to change zoom only in one layer"? How do you display multiple layers? I can switch between maps, but they do not appear to be layered.
Could you elaborate about what is meand to "lock layer and allow to change zoom only in one layer"? How do you display multiple layers? I can switch between maps, but they do not appear to be layered.