This tutorial shows you how to load Scaler in Reaper and control an external instrument:
To control external instruments within Reaper with Scaler 2:
- Open Reaper and make 2 tracks.
- Load Scaler 2 on to track 1
- Then load the instrument you wish to control onto track 2.
4. Set the midi output of the Scaler 2 track to your external synth: