It might act as sender for SysEx when updating the firmware (I don't know whether sysex-updating is possible). Assumingly Chris Assall, who did the firmware, uses some standard software modules, and this module provides in and out functionality.
You may ask him -> software@doepfer.de
Regards
Florian
On 25.03.18 12:43 , Diego Ragnini diegora@free.fr [Doepfer_a100] wrote:
Hello,I just found that the A-190-3 appears available as input source (!) from the Automap Software Setup and this surprised me: does the USB port actually sends incoming data or it is just a “wrong” feature of the Automap software? I assumed that the A-190-3 USB port receives only and so it should appear as destination only (Automap MIDI Out)Best, Diego