The LED will begin to flicker or flash, indicating that the remote is sending power signals for various brands every few seconds.
Use the Auto Code Search (Method 2). For Chinese generic TVs, codes 0000 , 0123 , or 1111 often work.
You found a code that sends "off" but not a full command set. Press ENTER to save it anyway, then test all buttons. If only POWER works, repeat the search to find a better code.
BD-512 Universal Remote Control is a multi-functional device capable of controlling up to 12 different devices, including TVs, VCRs, DVD players, and audio systems. It features four primary operation modes: Quick Search Auto Search Programming Instructions
If you do not have the code for your specific brand, you can use the built-in search feature to cycle through the library. manually.