The Firmware Update must be done on Windows. Since the hardware is a Moates product he's required the Moates Firmware Updater utility be used to update the firmware.
First visit the Demon Product page and download the latest firmware update. It can be found here
http://www.moates.net/product_info.php?cPath=73_69&products_id=208
or this direct link to the firmware updater
http://www.moates.net/zips/firmware/d_18dr3_pack.zip.
To update the Demon firmware first plug in the Demon. Quit all other applications to ensure the firmware is delivered without any complications. Launch the Moates Firmware Updater application. If it says Not Detected, make sure the unit is plugged in and hit detect again.You should see your units firmware version listed in the current firmware version section. If it says 1.08.D then you are already up to date. If it says 1.07.D you will need to update. Choose browse and select the provided file in the same folder. It should say 1.08.D in the Updated Version section of the image details. Hit Update. The progress bar will run and you will get a message that your Demon Firmware update was successful. Enjoy the new features!