Note Off (All Note Off Message); Gm On (Gm On Message); Stop (Stop Message); Start (Start Message) - Korg microKONTROL Owner's Manual

Operation–Message mode

[3] NOTE OFF (All Note Off message)

This transmits an All Note Off [Bn, 7B, 00] message on all MIDI channels.
Hold down the [MESSAGE] key and press pad [3].
1
Pad [3] will briefly go dark, and an All Note Off message will be
transmitted on all MIDI channels. The main display will indicate
"AllNtOff."
Release the [MESSAGE] key to return to Play mode.

[4] GM ON (GM On message)

This transmits a GM System On [F0, 7E, 7F, 09, 01, F7] message.
Hold down the [MESSAGE] key and press pad [4].
1
Pad [4] will briefly go dark, and a GM System On message will be
transmitted. The main display will indicate "GM On."
Release the [MESSAGE] key to return to Play mode.
44

[5] STOP (Stop message)

This transmits the realtime message Stop [FC].
Hold down the [MESSAGE] key and press pad [5].
1
Pad [5] will briefly go dark, and the realtime message Stop will be
transmitted. The main display will indicate "STOP."
Release the [MESSAGE] key to return to Play mode.

[6] START (Start message)

This transmits the realtime message Start [FA].
1 Hold down the [MESSAGE] key and press pad [6].
Pad [6] will briefly go dark, and the realtime message Start will be
transmitted. The main display will indicate "START."
Release the [MESSAGE] key to return to Play mode.