> > hello coleman,
> > gate bus leds for midi the three leds of the bus
> > board are only for +12 -12 and +5 volts supply, not
> > for midi.
>
> Sorry, then the LED's on the gate out of the bus access on a A185..
> Showing that the bus is receiving the signals.

If you have both A-190 and A-185 please read the remarks on page 4 of the
A-185 manual (the CV/Gate bus connections of the A-190 have to be
interrupted in this case)!

Best wishes
Dieter Doepfer