If you see the pop-up window showing "Mode Mismatch", please follow the instructions below to change Spark Control to Mode 1.
1. Close the Spark app.
2. Turn off the Spark Control.
3. Press and hold the mode button until you see the red LED flash once, then release the mode button immediately.
4. Turn on the Spark app and connect it to the Spark amp and Spark Control.
Tutorial Video: