Akai mpc3000 Manuel D’Utilisation
Page 216
Chapter 11: MIDI Function
Turning All Notes Off
Occasionally, a note from an externally-connected synthesizer may
stick on. This may be due to sending the synthesizer too much data,
or switching an external MIDI switching box at the wrong time, or
many other reasons. Regardless of the reason, to turn all notes off
on all MIDI channels and ports, press the MIDI key and select
option 4,
stick on. This may be due to sending the synthesizer too much data,
or switching an external MIDI switching box at the wrong time, or
many other reasons. Regardless of the reason, to turn all notes off
on all MIDI channels and ports, press the MIDI key and select
option 4,
All notes off
. The MPC3000 will send MIDI Note
Off messages for every note (0-127) on every channel.