I got tuning and fine tuning messages to work via a slidebar but however i can't get portamento "tonesliding?" to work could it be my SC-7 simply do not support it?
https://www.sweetwater.com/sweetcare/articles/depth-midi-functions-of-roland-sound-canvas/
function portOnOff(){
console.log("portOnOff()");
if(document.getElementById("portCheck").checked){
document.getElementById("prog_sel").value=86;
changeProgram();
CCchan=176+trackMidiCh-1;
CCtype=126;
CCval=1;
settingChange=[CCchan,CCtype,CCval];
outportarr[outportindex].send(settingChange);
CCval=127;
CCtype=65;
settingChange=[CCchan,CCtype,CCval];
outportarr[outportindex].send(settingChange);
portamento();
} else {
document.getElementById("prog_sel").value=1;
changeProgram();
CCchan=176+trackMidiCh-1;
CCval=0;
CCtype=126;
settingChange=[CCchan,CCtype,CCval];
outportarr[outportindex].send(settingChange);
CCval=0;
CCtype=65;
settingChange=[CCchan,CCtype,CCval];
outportarr[outportindex].send(settingChange);
}
}

function portamento() {
console.log("portamento");
CCchan=176+trackMidiCh-1;
CCtype=5;
portID=document.getElementById("portID").value;
settingChange=[CCchan,CCtype,portID];
outportarr[outportindex].send(settingChange);
}