Even Reddit and AVSForum threads often contain hidden gems—obscure codes for discontinued brands like Sylvania, Magnavox, or Curtis Mathes.
: Brands like One For All and Jasco provide online "Code Finder" tools.
However, even these advanced remotes fall back on IR code lists as a failsafe. For legacy devices—old amplifiers, CRT TVs, vintage VCRs—the humble numeric code remains the only path to compatibility.