you're welcome; you will find the right and left parts have either been muted or zeroed in the ways I have already described. If you had given the exact files to which you refer I could have given an exact answer as to how this had been achieved rather than trying to guess from vague descriptions, but all the principles involved have already been outlined at length. There is no delete function for panel memories since that implies wiping them and leaving them empty. Panel memories can only be overwritten, and saving silence requires the relevant conditions to be set up just like saving any other panel memory.

Thank you Technicsplayer
I have tried your suggestion and it solved the problem. Exellent and I learned something new.
Much appreciated.....Roland

excellent news