Check what firmware version is installed:
- Start the flight system
- Trigger an image
- Turn flight system off
- Remove FLIR SD card
- Open image in Asctec Thermal Viewer
- Click Show Image Information button to check datalogger version
- Go to the Asctec Download page to check if you have the latest available version installed

Install new firmware:
- Download firmware (.zip file)
- Format FLIR SD card with block size 64 K
- Extract .zip file to the FLIR SD card (flirsd.atf)
- Insert FLIR SD in the flight system, connect inspection payload and turn the flight system on
- Wait for 60 seconds
- Trigger an image
- Turn off flight system
- Remove the FLIR SD card
- Delete flirsd.atf from the FLIR SD card
- Open image in the Astec Thermal Viewer again to check datalogger version if update was succesful