Casio LK-43 User Manual

Casio LK-43 User Manual Manual pdf 31 page image

E-29MIDIWhat is MIDI?The letters MIDI stand for Musical Instrument DigitalInterface, which is the name of a worldwide standard fordigital signals and connectors that makes it possible toexchange musical data between musical instruments andcomputers (machines) produced by different manufacturers.MIDI compatible equipment can exchange keyboard keypress, key release, tone change, and other data as messages.Though you do not need any special knowledge about MIDIto use this keyboard as a stand-alone unit, MIDI operationsrequire a bit of specialized knowledge. This section providesyou with an overview of MIDI that will help to get you going.MIDI ConnectionsMIDI messages are send out through the MIDI OUT terminalof one machine to the MIDI IN terminal of another machineover a MIDI cable. To send a message from this keyboard toanother machine, for example, you must use a MIDI cable toconnect the MIDI OUT terminal of this keyboard to the MIDIIN terminal of the other machine. To send MIDI messagesback to this keyboard, you need to use a MIDI cable to connectthe other machine’s MIDI OUT terminal to the MIDI INterminal of this keyboard.To use a computer or other MIDI device to record andplayback the MIDI data produced by this keyboard, you mustconnect the MIDI IN and MIDI OUT terminals of bothmachines in order to send and receive data.MIDI ChannelsMIDI allows you to send the data for multiple parts at thesame time, with each part being sent over a separate MIDIchannel. There are 16 MIDI channels, numbered 1 through16, and MIDI channel data is always included whenever youexchange data (key press etc.).Both the sending machine and the receiving machine mustbe set to the same channel for the receiving unit to correctlyreceive and play data. If the receiving machine is set toChannel 2, for example, it receives only MIDI Channel 2 data,and all other channels are ignored.With this keyboard, messages received over MIDI Channels1, 2, 3, 4, and 10 can be used for multi-timbre play of up tofive different instrument parts. The tone and volume settingsfor these five channels must be controlled by messages sentfrom an external device.Conversely, keyboard operations are sent to external devicesover MIDI Channel 1.General MIDIGeneral MIDI standardizes MIDI data for all sound sourcetypes, regardless of manufacturer. General MIDI specifiessuch factors as tone numbering, drum sounds, and availableMIDI channels for all sound sources. This standard makes itpossible for all MIDI equipment to reproduce the samenuances when playing General MIDI data, regardless of themanufacturer of the sound source.Though the sound source of this keyboard is not GeneralMIDI compatible, you can still connect the keyboard to acomputer or other MIDI equipment to playback General MIDIdata that is widely available in stores, over computernetworks, and from other sources.❚ NOTE• General MIDI data made up of a large number of parts may notplay correctly on this keyboard.• You will have most success playing back General MIDI datathat has few parts and is made up of parts on channels 1, 2, 3,4, and 10.MessagesThere is a wide variety of messages defined under the MIDIstandard, and this section details the particular messages thatcan be sent and received by this keyboard.MIDI IN MIDI OUT MIDI IN MIDI OUT640A-E-031AComputer etc.LK43_e_29-31.p65 02.2.25, 9:48 PMPage 29 Adobe PageMaker 6.5J/PPC