For Novation 61SL MkII users on Windows (source)
(this assumes that you’ve installed the Novation USB driver for the SL61)
The SL61 has a ‘hidden’ MIDI port which is used for sending MIDI messages when the keyboard is in AutoMap mode.
Here is a tip for Windows users: you can enable this port using Registry:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NvnUsbAudio\Parameters]
"DontHideAutomapPorts"=dword:00000001
Once you’ve added this Registry entry, you’ll be able to see the hidden port in Gig Performer:
