hookminthelips wrote:Im trying to transfer my waypoints from lowrance to hummingbird , I have downloaded the hummingbird PC as required to my MAC computer but cant seem to open the program….. anyone ever had this issue… possible fix Download a copy GPSBabel to your Mac or goto to GPSBabel web portal: http://www.gpsvisualizer.com/gpsbabel/1. Save your lowrance xxx.USR file to your SD Card.2. Load GPSBabel or Web Link: http://www.gpsvisualizer.com/gpsbabel/3. Web Version: Select Input file format button for Lowrance USR [W][T][R]4. Locate your Lowrance xxx.usr5. Web Version: Select Output file format button for Hummbird [W][T][R]6. Mouse click on the “Convert the File” button.7. Follow prompts to to save file as DATA.HWR. It will convert your Lowrance xxxx.USR waypoints to Humminbird format8. Copy DATA.HWR into a folder Called MATRIX.9. Copy MATRIX folder on SD Card.10. Insert into Humminbird unit and power up.11. Follow Humminbird prompts to upload waypoints into your Humminbird12. Now Go Fishing! Last edited by Flyswatter on October 30th, 2013, 3:27 am, edited 1 time in total.