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James RoweAug 21, 2025
What to do if MIDI messages are not being transmitted or received by my Boss RC-300?
- JJared GreenAug 21, 2025
If MIDI messages aren't being transmitted or received, consider these solutions: * Replace the MIDI cable to rule out a short. * Check all connections to the external MIDI device. * Ensure the MIDI channels of both devices match. * If transmitting from the RC-300, verify the Program Change Message Transmit and Control Change Message Transmit settings.