USB Audio Interface/ MIDI Keybroad Controller PC-80 Owner's Manual
Table Of Contents
- USING THE UNIT SAFELY
- Important Notes
- Contents
- Contents of the package
- Names of things and what they do
- Setup
- Operation
- Appendix
- Using the PC-80 as a MIDI controller keyboard
- Basic connection example and signal flow
- The PC-80’s basic operating modes
- Transmitting various MIDI messages from the PC-80
- Setting the MIDI transmit channel
- Selecting sounds—Transmitting Program Change and Bank Select Massages
- Starting/stopping playback data—Transmitting a Start/Stop/Continue message
- Transmitting messages to an external MIDI sound module
- Setting the split points
- Using the VALUE encoder to transmit values for a specified parameter
- Using the PC-80 as a MIDI interface
- Using the PC-80 as an audio interface
- System settings for the PC-80
- PC-80 driver settings
- Troubleshooting
- Driver-related problems (Windows)
- Can’t record or play back audio or MIDI/No sound
- Noise or pops are heard when recording/playing on your computer
- Noise or distortion occurs when the PC-80 is not connected to your computer
- The sound is too weak
- Problems with the PC-80 Software Synthesizer
- Won’t start up
- The menu does not appear correctly (can’t select it)
- No sound
- Sound is too loud/too soft
- Clicks, pops, or noise occurs in the sound
- Sounds you play from the keyboard are delayed
- Can’t control sounds or parameters from the PC-80
- Can’t play back song data/Playback is incorrect
- Can’t use the PC-80 software synthesizer from other software
- Uninstalling the PC-80 software synthesizer
- MIDI implementation
- Main specifications
- Index
- Using the PC-80 as a MIDI controller keyboard

127
MIDI implementation
Model: PC-80 Version 1.002005.04.1
1. Transmit data
■
Channel voice messages
●
Note off
Status
2nd byte 3rd byte
9nH kkH 00H
n = MIDI channel number: 0H – FH (Ch.1 – 16)
kk = note number: 00H – 7FH (0 – 127)
* Transmitted when you release a key in Play mode.
●
Note on
Status 2nd byte 3rd byte
9nH kkH vvH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
kk = note number: 00H – 7FH (0 – 127)
vv = note on velocity: 01H – 7FH (1 – 127)
* Transmitted when you push a key in Play mode.
●
Control change
Status
2nd byte 3rd byte
BnH ccH vvH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
cc = controller number: 00H – 77H
vv = control value: 00H – 7FH
❍
Bank Select (Controller number 0, 32)
Status
2nd byte 3rd byte
BnH 00H mmH
BnH 20H llH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
mm = Bank number MSB: 00H – 7FH
ll = Bank number LSB: 00H – 7FH
❍
Modulation (Controller number 1)
Status
2nd byte 3rd byte
BnH 01H vvH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
vv = Modulation depth: 00H – 7FH (0 – 127)
* Transmitted when you press the Pitch bend/Modulation lever in Play mode.
❍
RPN MSB/LSB (Controller number 100, 101)
Status
2nd byte 3rd byte
BBnH 65H mmH
BnH 64H llH
n = MIDI channel number:0H – FH (Ch.1 – 16)
mm =upper byte of parameter number specified by RPN
ll = lower byte of parameter number specified by RPN
●
Program change
Status
2nd byte
CnH ppH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
pp = Program number: 00H – 7FH (prog. 1 – prog. 128)
●
Channel pressure
Status 2nd byte
DnH vvH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
vv = Channel pressure: 00H – 7FH (0 – 127)
●
Pitch bend change
Status
2nd byte 3rd byte
EnH llH mmH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
mm, ll = Pitch Bend value: 00 00H – 40 00H – 7FH 7FH
(-8192 – 0 – +8191)
* Transmitted by rightward/leftward operation of the Pitch bend/Modulation
lever in Play mode.
■
Channel mode messages
●
Channel mode messages
Status
2nd byte 3rd byte
BnH ccH vvH
n = MIDI channel number: 0H – FH (Ch.1 – 16)
cc = controller number: 78H – 7FH (120 – 127)
vv = control value: 00H – 7FH (0 – 127)
❍
All sounds off (Controller number 120)
Status
2nd byte 3rd byte
BnH 78H 00H
n = MIDI channel number: 0H – FH (Ch.1 – 16)
❍
Reset all controllers (Controller number 121)
Status
2nd byte 3rd byte
BnH 79H 00H
n = MIDI channel number: 0H – FH (Ch.1 – 16)
* Transmitted in Panic.
❍
All notes off (Controller number 123)
Status
2nd byte 3rd byte
BnH 7BH 00H
n = MIDI channel number: 0H – FH (Ch.1 – 16)
RPN Data entry
MSB LSB MSB LSB Explanation
00H 01H mmH Master Fune Tuning
mm: 00H-7FH
00H 02H mmH Master Coarse Tuning
mm: 00H-7FH
PC-80_e.book 127 ページ 2005年11月10日 木曜日 午前11時34分










