I bought a LK-300TV many years ago in the hope I would be able to get the keys to light for songs I loaded. Various salesman weren't sure it could do that, or they were not convincing. The manual says this is "not supported." But I didn't want to study any programmed lessons, I wanted to jump right in to songs I want to play. That's why I bought it just as they were being closed out. I finally took it out of the closet last week.
At first, results were not promising. But when I figured out the secrets, it's blindingly simple.
1) Format the (1Gb max) SD card on the casio, which creates a folder for songs.
2) Download Type 1 midi files, convert to Type 0 using MidiYodi (licensed) "save as", copy to SD card.
3) Select Card input, the Casio numbers all the songs in the folder automatically.
4) Change the Navigation Channel to 0. Press Play
5) Now it will light the keys for every track, because a Midi Type 0 file is all Channel 0. It will also do Step 1.
Note that the "Navigation Channel" is the "Navigation Channel," and not the "Navigation Track."
