Lantronix PNT Series PNT-SG3FS GNSS Module Software User Guide - Page 28

2. Firmware Version Port Settings Option When user clicks on UART mode button all COM ports available on your PC will be listed in the Output port box; also, two boxes for the baud rate selection are now selectable. ♦ NMEA baud rate: this is the UART baud rate used to send the FW Upgrade command and start the update process. When "Auto" is selected, the tool tries to automatically detect the baud rate of the select port and use it to send the command. ♦ Baud rate: this is the UART baud rate used to download the new firmware. ♦ Output port: COM port used to update the firmware. USB mode does not have to be enabled on the PNT-SG3FS. Firmware Options ♦ Erase NVM: check this flag if you want to erase the NVM during the firmware upgrade process. If this flag is checked, the size of NVM can be entered using the related text box. Value is expressed in KB; the default value is 1024. ♦ Program only: check this flag if you don't want to erase program memory before writing new firmware. ♦ Dump: not available. ♦ Recovery: check this flag if you want to update the PNT-SG3FS. On this window there are two boxes where information about firmware size and CRC code is displayed; these fields are read-only. After configuring all options, the load button can be pushed in order to upload the firmware binary image Upgrade Process When all preliminary steps described above are completed, the firmware upgrade process can be executed by clicking the Start button. A progress bar will be displayed in the status bar. The update process can be stopped by clicking the Stop button. When the upgrade has finished a confirmation message is displayed. If the process failed or was stopped by the user, no backup firmware can be executed; the only way to re-install a working firmware is to reset the hardware and start a new upgrade process. PNT-SG3FS GNSS Module Software User Guide 28