User manual SEFELEC 5x Series 49 v1.06
Insert the USB key with the update file.
Then press the "Update" key and follow the instructions
NOTE
It is important not to turn off the device during the update
Update of the Firmware of the function boards:
The update of the function board firmware can be done from the update file (contact our service
department to obtain the latest version available) and which will be saved on a USB key.
Then on the following screen: