What if the operation of the AVM 20 is upgraded in the future? No problem! The AVM 20 is designed to be software and hardware upgradeable* Software Upgrade is Free and easy as 1-2-3 … 1. Connect your computer to the Internet. 2. Go to www.anthemAV.com and download the latest version of free AVM 20 software. 3. Connect your computer to the AVM 20 and upload the software. Upgrading the Hardware … Our replaceable DSP board allows you to upgrade the operation of your AVM 20 as new features are introduced that require additional processing capability. Installation of a new board can be performed by Authorized Anthem™ Dealers with qualified service personnel or at our factory. For more information, including cost, go to Upgrades or contact your Authorized Anthem™ Dealer. * Provided that future formats do not require physical changes to front or back panels.