A firmware update can cause permanent damage to your product if applied incorrectly. 
Before applying any firmware updates, verify the firmware you downloaded is appropriate for the specific model number of your product. If you have any doubts, contact support for guidance. 

To update the firmware of you product you will need ‘Hypex Filter Design’ (HFD). You can download this software from our website (www.diyclassd.com or www.hypex.nl) 

IN NO EVENT WILL HYPEX ELECTRONICS B.V. BE LIABLE FOR ANY DAMAGES OF ANY KIND RELATING TO THE FIRMWARE UPDATES AND/OR OTHER UTILITIES DOWNLOADABLE THROUGH THIS SITE.