Note bug with legato

Hapax
1

Hello,

I don’t know if anyone will be able to help and it is probably not a specific Hapax problem:

I did a bass sequence for my Novation Bass Station. It is really low but there is a very high note being very short and just here to give a quick portamento effect.

But when I play the pattern, the first time it makes a long high note.

So for a song, i tried to do a copy of this pattern with the hight note muted, and then the original pattern in loop

But the first time the high note is played, it is still a long high note, then once in loop it sounds correctly.

I never had this problem before I think about simply making another pattern but if anyone have an idea it could be usefull to know for the future

2

Well I think it is due to the fact this note is “NO FX” and nothin to see with portamento. The filter is fully when played 1st time (there’s an enveloppe on filter).
So I finally just did another bassline as a bit tired wich complex things to solve !