Roland Groovebox MC-307 Reference Manual page 200

MIDI Implementation
4. Data transmission (Sequencer section)
1 Recorded messages are transmitted during
playback.
2 If the Through parameter is ON, messages
received (except for System Common messages
and System Realtime
transmitted.
3 Messages that are generated and transmitted
3.1 Messages automatically generated by the
system
Channel Mode messages
Omni Off (Controller number 124)
status 2nd byte
BnH 7CH
* At start-up, this message is transmitted to all channels.
Poly (Controller number 127)
status 2nd byte
BnH 7FH
* At start-up, this message is transmitted to all channels.
3.2 Messages generated and transmitted when the
Sync Out is ON
System Common messages
Song Position Pointer
status 2nd byte
F2H mmH
mm,ll=value: 00 00H–7F 7FH (0–16383)
System Realtime messages
Timing Clock
status
F8H
Start
status
FAH
Continue
status
FBH
Stop
status
FCH
200
messages) will
3rd byte
00H
3rd byte
00H
3rd byte
llH
be