For older or high-end modular units, you may need to download the software from the manufacturer’s website, place it on a FAT32-formatted USB drive, and plug it into the front panel.
If you are looking to control an existing AV receiver (like Denon, Marantz, or Onkyo) through a visual dashboard, the most popular "good posts" and projects are found within the Home Assistant community. Ampli-Panel-Card : This is a highly recommended custom card available via HACS (Home Assistant Community Store) av card receiver software
If you’d like me to write the full paper directly, just say and specify: For older or high-end modular units, you may