Good! Simplification:
I play in a group, where I need to change in sequence various programs (up to ten/twelve instruments) for each song we play.
So I've put the programs I need in the correct sequence into the memory banks (keyboard programs A-B-C from 1 to 5, for a total of 15) and safed them into the 3.5 diskette. Perfect.
The point is that while I play music, I do not have the recognition of which keyboard program I'm using, because it does not appear on the screen and because there is no LED under the buttons 1 to 5: I only know that I'm using keyboard program bank A or B or C (those buttons do have a LED).
I imagine that if is40 only had a sequence button, all would have been solved, but unfortunately such a button/function doesn't seem to exist.
For now, I've applied a cellotape under the 1 to 5 buttons, with the programs written above: it's not very elegant, is it!
This is the reason I why need THE suggestion.
Thank you again for your help!!!
fricci