CNY-17

[Haible_Juergen#Tel2743]

>
>Inspection of the data sheet told me that the CNY-17 would be fast
>enough, to handle midi-signals. But I only received garbled messages.
>
>this change, I am able to receive the midi-signals, but I still can't
>figure why the CNY-17 doesn't work !

The following is just from memory, and unchecked:

There are different Gain Groups of the CNY-17. Gain group -3 or
above should work, but -1 and -2 won't.

JH.