System Exclusive Messages; System Common Messages; System Real Time Messages - Yamaha DTX502 Reference Manual

MIDI Reference Material
2.4 Program Change
Program Change messages are received. These messages can also
be sent by turning on the output of MIDI Program Change messages
in the KitCommon area.
2.5 Pitch Bend
Pitch Bend messages are received but not transmitted.
2.6 Channel Aftertouch
Channel Aftertouch messages are neither transmitted nor received.
2.7 Polyphonic Aftertouch
Polyphonic Aftertouch messages are transmitted but not received.

3. System Exclusive Messages

3.1 Universal Non-Real Time
3.1.1 General MIDI System On
$F0 $7E $7F $09 $01 $F7
General MIDI System On messages are received but not trans-
mitted. Receipt thereof does not cause the kit number or reverb
type of the playback part to change.
3.1.2 Identity Request
$F0 $7E $7F $06 $01 $F7
Upon receipt of the above message, the DTX502 transmits an
Identity Reply message. These messages are received but not
transmitted.
3.1.3 Identity Reply
$F0 $7E $7F $06 $02 $43 $00 $41 $4B $06 $00 $00 $00 $7F
$F7
Identity Reply messages are transmitted but not received.
3.2 Universal Real Time
3.2.1 MIDI Master Volume
$F0 $7F $7F $04 $01 $XX $mm $F7
$XX is ignored. $mm represents the volume data. MIDI Master
Volume messages are received but not transmitted.
3.3 Parameter Change
3.3.1 XG System On
$F0 $43 $10 $4C $00 $00 $7E $00 $F7
Upon receipt of an XG System On message, the DTX502 acts in
the same way as if a General MIDI System On message had
been received. XG System On messages are received but not
transmitted.

4. System Common Messages

System Common messages are neither transmitted nor received.

5. System Real Time Messages

5.1 Timing Clock
Timing Clock messages are transmitted but not received.
5.2 Start & Stop
Start and Stop messages are transmitted but not received.
5.3 Active Sensing
Reception: If, following receipt of an Active Sensing message, no sub-
sequent MIDI data is received for approximately 300 milliseconds, the
DTX502 will mute all voices currently playing.
Transmission: The DTX502 constantly transmits Active Sensing mes-
sages at intervals within approximately 300 milliseconds.
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