72 Conditions that Disable Message Send and ReceiveAll MIDI message send and receive is temporarily disabled while any one of the following processes is in progress.• SD card format in progress• Demo data performance in progress• Music Library data performance in progress3 Timbre Type Specific OperationThe operation that is performed for a received message depends on the current Timbre Type value (see "11.1 About theTimbre Type"), which is the operation mode of each sound generator part. Applicable information is provided in theexplanations for each message.29 B14 14 MIDI/Music Library Channel1430 B15 15 MIDI/Music Library Channel1531 B16 16 MIDI/Music Library Channel16