1. Press F1 and F6 buttons at the same time.
You can see the message, "Start saving communcation log.".
2. Perform the function which faces the problem on G-scan.
3. When you face the error situation, stop operating G-scan and turn off the G-scan.
4. Take the SD card out from the G-scan and insert it to the PC.
5. You can find "G-scanCommLog" folder on SD card drive. Zip the "G-scanCommLog" folder and send it to us(email@example.com).
The log file will be used for the analysis of the error situation.