How do you find the reactivity of buttons "CUE", the 6 aligned buttons... I find them odd, sometimes when i push one of the buttons to return to a cue point it is instantaneous and sometimes it is necessary to push them twice to returns to the cue point... a little odd feeling...
is that normal? it's like as it had a little treatment or latency time...strange.

I dont like the cue buttons either. As you said, sometimes they trigger, sometimes they dont trigger, sometimes they even double hit.

so this seem to be normal?
if it's a trigger, it can be optimized in the future with firmware?

I dont know what you mean with "if its a trigger".

I cant tell for sure, but this seems to be something which is rather hardware related. The buttons are typically on/off, not something in between which you could read out from the software.

You could remove double presses in firmware but then you wouldn't be able to stutter the cue point by pressing the button quickly.

Hm, that sounds feasible.