VP-03: Changing the Midi Channel
1. Press the [MEMORY] button to make it light.
2. While holding down the [MEMORY] button, press [2]
* Keep holding down the [MEMORY] button.
* The button flashing is the current Midi channel (Default is Midi channel 1)
3. Press a numeric button [1-16] to change the Midi channel, and release the [MEMORY] button to confirm the value.