GTR 225/GNC 255 TSO Installation Manual 190-01182-02Page 6-12 Rev. B6.4.5 Log Functions6.4.5.1 Download LogNOTEGarmin recommends the use of a USB 2.0 compatible USB flash drive for updatingdatabases and software on the GTR/GNC.The Download Log page (Figure 6-21) is where the GTR/GNC keeps an error log to aid in diagnostics andtroubleshooting. The error log can be downloaded to a zip drive attached to the USB port on the GTR/GNC. To download the error log, insert the USB dongle cable into the GTR/GNC USB port and attach aUSB flash drive to the dongle. Then select the Download Log page. When ready, press the ENT key todownload the error log to the USB flash drive.Figure 6-21. Download Log Page6.4.5.2 Clear Error LogThe Clear Error Logs page (Figure 6-22) allows the installer to clear the internal error log on theGTR/GNC. It can be cleared by selecting the Clear Error Log page with the smaller inner knob and thenpressing the ENT key. Press ENT again to clear the stored error logs. This will delete all stored error logson the GTR/GNC.Figure 6-22. Clear Error Logs Page