Devialet 440 Pro Dual Manual page 33

2 – Once the update file has been
downloaded from www.devialet.com and
saved to your SD card, reinsert the card in
the card reader of your Expert (without write
protection).
3 – Restart your Expert by pressing and holding the
power button for approximately 5 seconds.
Until the word «reset» appears.
The control screen will display the loading progress
of the update. This may take several minutes.
Once the process is finished, follow the
instructions displayed on the control screen.
Your Expert is now up-to-date.
After updating, you can delete the files on the SD
card, if you wish to use it for a new configuration.
4. If you own an Expert 440 Pro, repeat this
operation for both devices
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