Hi if anyone can help, I went into SECURITY MODE by press and holding D and entered 2000, it was to check the key tones levels. I then didn’t know how to exit so whilst I was looking and found a result saying press A, I looked back up and it was on factory reset, I pressed A but nothing happened, the board was completely unresponsive and no sound whatever I press, it will not come off this or do anything. Any input on how to resolve this?
