Yamaha MONTAGE M6 Operation Manual page 295

Transmit Sw (Transmit Switch)
Shows the transmit switch.
This parameter is available only when Part Mode is set to External or when Keyboard Sw is set
to Off.
Receive Sw (Receive Switch)
This parameter is available only when Part Mode is set to Internal.
Keyboard Sw (Keyboard Control Switch)
Keyboard Control is used for selecting Parts to be played on the keyboard.
When Keyboard Control is set to On, you can simultaneously play Parts having Keyboard
Control set to On, if the Part is set to Common or Keyboard Control for the Part is set to On.
When Keyboard Control is set to Off, you can play the Part on the keyboard only when that Part
is selected.
Settings: Off, On
Tx/Rx Channel (Transmit/Receive Channel)
Sets the channel for transmitting and receiving MIDI messages when Part Mode is set to
Internal.
Settings: Ch1–Ch16, Off
MIDI I/O Ch. (MIDI In-Out Channel)
Shows the channel for transmitting and receiving MIDI messages.
Transmit Ch.
Sets the channel for receiving MIDI messages when Part Mode is set to External.
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