1.2.2 Parts
The settings of the sound generator parts can be changed using Instrument-specific system exclusive
messages. This Instrument consists of 32 parts. Of these, channel messages can be used to perform
note on operations and to change settings of only the B Group (B01 through B16). The relationships
between the channel message receive channel and part number are fixed, as shown in ”1.2.3 Part
Assignments(PX-150,PX-750,PX-850,PX-1200GP, AP-250,AP-450)” and ”1.2.4 Part Assignments(PX-
350M, AP-650M)”.
1.2.3 Part Assignments(PX-150,PX-750,PX-850,PX-1200GP, AP-250,AP-450)
Part Number Part Name MIDI Receive Ch MIDI Send Ch Assigned Function Description
00 A01 - 01(Note1) Keyboard Upper1(main)/(Right-
side keyboard in the
Duet Mode)
01 A02 - 02 Keyboard Upper2(Layer)
02 A03 - 03 Keyboard Lower1(Split)/(Left-
side keyboard in the
Duet Mode)
03 A04 - - -
04 A05 - 05 Recorder Play Track1 main
05 A06 - 06 Recorder Play Track1 layer
06 A07 - 07 Recorder Play Track1 split
07 A08 - - Metronome/Count
08 A09 - -
09 A10 - -
10 A11 - -
11 A12 - -
12 A13 - -
13 A14 - -
14 A15 - 04 Recorder Play Track2
15 A16 - – - -
16 B01 01 - MIDI/Song Play Ch.01
17 B02 02 - MIDI/Song Play Ch.02
18 B03 03 - MIDI/Song Play Ch.03 (Left hand
track)
19 B04 04 - MIDI/Song Play Ch.04 (Right hand
track)
20 B05 05 - MIDI/Song Play Ch.05
21 B06 06 - MIDI/Song Play Ch.06
22 B07 07 - MIDI/Song Play Ch.07
23 B08 08 - MIDI/Song Play Ch.08
24 B09 09 - MIDI/Song Play Ch.09
25 B10 10 - MIDI/Song Play Ch.10
26 B11 11 - MIDI/Song Play Ch.11
27 B12 12 - MIDI/Song Play Ch.12
28 B13 13 - MIDI/Song Play Ch.13
29 B14 14 - MIDI/Song Play Ch.14
30 B15 15 - MIDI/Song Play Ch.15
31 B16 16 - MIDI/Song Play Ch.16
Note1 : Can be changed by the Keyboard Channel setting.
6