I remember on the MC-505 i've a blank program with the routing (i think i was sending mix+click thru headphones and mix for aux1,2) so a 'drummer mode' will be so cool.
i've no preferences for the metronome...
you have total flexible routing.
you can set each channel to either
left 1
right 1
left 2
right 2
stereo 1
stereo 2
aditionaly plugged in jacks are recognized.
So if there is only a jack plugged into 'left 1' all other routing settings will be ign…