If you click on the "Assign to Device" button in the lower left hand corner of the MIDI Map Editor it will create a vertical button stack of devices. If one of the devices is currently assigned to the current map the corresponding button will be highlighted.
If you click on the "Assign to Device" button in the lower left hand corner of the MIDI Map Editor it will create a vertical button stack of devices. If one of the devices is currently assigned to the current map the corresponding button will be highlighted.