Troubleshooting Tweet Pocket LOG-1 Unit issues LOG-1 LED dose not light. Although you use “Magnetic Force Detection Mode”, there is no reaction even if magnet is brought close. XON LOG-1 Utility issues “Device was not found” is displayed even if you click “Scan Device”. XON LOG-1 Overlay Movie Exporter issues Videos will not be displayed on “Select Video” screen. You can not proceed to the next screen even if you select a movie on the “Select Video” screen and press “NEXT”. “Speed” or “Route” overlay parts are not displayed. Synchronization between video and sensor is not possible.