On the Input tab of Maestro, be sure to set Analog Level to Instrument (Inst).
Duet 2 (USB)
When I press the encoder to select an input or output, the selection is unavailable. Why?
When the inputs are set to XLR line, the encoder is disabled.
What does the display of a white Apogee logo “A” on the top panel OLED indicate?
The white “A” indicates that USB is disconnected. Connect USB, try a different USB cable or a different Mac USB port.