IIRC the easiest way (avoid modifying the ExMap) is to set up the bowed instrument on its own channel (use override in the NP mixer) and then just change instrument in Dorico to switch between bowed and normal playing.
IIRC the easiest way (avoid modifying the ExMap) is to set up the bowed instrument on its own channel (use override in the NP mixer) and then just change instrument in Dorico to switch between bowed and normal playing.