Hi, i have tested r869 with a simple trailtrack. A part of this track(trackpart_26), which caused the problem before now is working. Unfortunately trying the whole track doesn't work. The pinky line is drawn straight between trackpart_140 and trackpart_141 and again ok starting with trackpart_142. Splitting trackpart_141 into 2 pieces solves it. trackpart_141 contains 24 nodes with 711m length. But there were other parts(e.g. 105, 142,143) which are bigger. For me without any knowledge of the garmin img structure its a riddle. As you already mentioned, there must be another reason. But anyway hope my observings are helpful for you guys. I tried to attached the zipped mp-format-file of this track not knowing if its possible in this mailinglist. regards Gert Münzel