Parameter 2: 7 

 => 'IncDec'


Midi-Message (Hex format) :  

Bx 61 NN   (turn rotary encoder left direction)
Bx 60 NN   (turn rotary encoder right direction)

x: channel (see parameter 1), 
NN: Number to indentify 128 different controller destination / same as controller number for 'normal' controllers (see parameter 3)(*)

Example: BF 60 01  

(Controller 'destination 01' on channel 16 is turned to the right direction)

(*) This format is only a suggestion to implement a IncDec-Controller with multiple destinations (128 for one midichannel). It's not officially supported by the midi association.

Parameter 3  ( NN )

Meaning 

Not defined by the midi spec.
Depends on the destination device. 

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