Great! I will update the official TX7 preset then. I will ping authors of other presets that could take an advantage of this feature…
@martin does the published TX7 preset still need some rework. Is this preset fully compatible with the DX7 sysex? I mean, I think the DX7 does send the 6 operators on/off as one byte, but I think you wrote the TX7 does not do that. Before I embark on a DX7 / mini dexed version, this is intended to check which existing preset is the best start, knowing the quirks Yamaha did back the with that channel 1 limitation