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User manual Casio, model LK-280

Manafacture: Casio
File size: 2.64 mb
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Language of manual:en
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manual abstract


Each method includes a number of different messages. The field in the SysEx message that specifies the message type is the action (act) field. The format of the body part of the message depends on the act value. The table below shows the body format for each action of Instrument-specific system exclusive messages. An actual message consists of the items indicated by Y, from left to right. NOP IPR IPS OBR OBS HBR HBS ACK BSY RJC EOD EOS ERR SX Y Y Y Y Y Y Y Y Y Y Y Y Y MAN Y Y Y Y Y Y Y Y Y Y Y Y Y MOD Y Y Y Y Y Y Y Y Y Y Y Y Y dev Y Y Y Y Y Y Y Y Y Y Y Y Y act Y Y Y Y Y Y Y Y Y Y Y Y Y sum - - - - Y - Y - - - - - - EOX Y Y Y Y Y Y Y Y Y Y Y Y Y 19.3 Format of Each Field 19.3.1 SX : System Exclusive Message Status Format: 11110000B (F0H) This is the System Exclusive Message status byte established by the MIDI standard. 19.3.2 MAN : Manufacturer’s ID Format: 01000100B (CASIO = 44H) Indicates this Instrument’s manufacturer ID. 19.3.3 MOD : Model ID Format: MSB LSB 00010110B 00000001B (16H) (01H) These two successive bytes (MSB, LSB) indicate the CTK-4200, LK-280, LK-211, WK-220, WK-225, CTK-5300, WK-330, CDP-220R model ID. 22 19.3.4 dev : MIDI Device ID 00H -7FH Format: 0dddddddB The contents of this field in a received message are compared with the Model’s MIDI Device ID, and receipt of the incoming message is allowed only when the two IDs match. When a message containing 7FH is received, receipt of the message is always allowed, regardless of the Instrument’s ID setting. Note, however, that the Instrument does not have a specific Device ID, so use only 7FH for send and receive. 19.3.5 act : Action Format: 0aaaaaaaB This field indicates the operation of the Instrument-specific System Exclusive Message. aaaaaaaB Action Function 00H NOP No Operation 01H IPR Individual Parameter Request 02H IPS Individual Parameter Send 03H OBR One-way Bulk Parameter Set Request 04H OBS One-way Bulk Parameter Set Send 05H HBR Handshake Bulk Parameter Set Request 06H HBS Handshake Bulk Parameter Set Send 0AH ACK Acknowledge 0BH BSY Busy 0CH RJC Reject 0DH EOD End of Data 0EH EOS End of Session 0FH ERR Error NOP:No Operation No operation is performed when this action is received. IPR:Individual Parameter Request Indicates an individual parameter value send request message. When the Instrument receives this action, it uses an IPS message to return the specified parameter value. IPS:Individual Parameter Send Indicates an individual parameter value send message. When the Instrument receives this action, it rewrites the value specified by the data field with the specified parameter value. OBR:One-way Bulk Parameter Set Request Indicates a send request message using parameter set image one-way mode. When the Instrument receives this action, it uses an OBS message to return the specified parameter set. OBS:One-way Bulk Parameter Set Bulk Send Indicates a parameter set image send message using one-way mode. The parameter set to be transferred is divided into multiple packets when it is greater than a prescribed size. At this time, packets are transferred at intervals of the prescribed time (20 msec) or greater. 23 HBR:Handshake Bulk Parameter Set Request Indicates a send request message using the parameter set image handshake mode. When the Instrument receives this action, it uses an HBS message to return the specified parameter set. HBS:Handshake Bulk Parameter Set Send Indicates a parameter set image send message using handshake mode. The parameter set to be transferred is divided into multiple packets when it is greater than a prescribed size. The packets are transferred in accordance with handshake mode. ACK:Acknowledge Indicates a message used by the receiver during parameter set handshake mode transfer to convey to the sender that it is ready for send of the next packet. The cat, mem, and pset fields indicate the value carried by the last received message. BSY:Busy Indicates a message to convey to the requester that that the Instrument cannot send back data after a parameter set one-way mode or handshake mode send request is received. The cat, mem, and pset fields indicate the value carried by the last received message. RJC:Reject Indicates a message to convey to the other side that an ongoing parameter set one-way mode or handshake mode send or receive session was interrupted. The cat, mem, and pset fields indicate the value carried by the last received message. EOD:End of Data Indicates a message to convey to the receiver that a one-way mode or handshake mode serial packet transfer for sending a sub-session (one parameter set) is complete. The cat, mem, and pset fields indicate the value carried by the last received message. EOS:End of Ses...


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