rp22.pdf
With the approval of CA-025 ("Master Fine/Coarse Tuning") there arises a naming conflict with existing Registered Parameter Numbers (RPNs) in the MIDI 1.0 Detailed Specification called Master Tuning. The original message is by definition Channel- based, which supports renaming those messages "Channel Fine Tuning" and "Channel Coarse Tuning" under the heading of Channel Tuning.