ok, thanks.
i could fix the original card by setting rxf to R as you suggested in your custom firmware thread. But btw what do mrt, txf and rxf stand for?
Same problem here with v0.30 and syncing as a slave to an octatrack. Fixed it by using a fresh SD Card. I used the same firmware.bin file on both cards and as fas as i can see the LXR works fine with both cards, its just when run by the "original" c…