Yamaha QY100 Owner's Manual page 225

Editing Songs & Patterns
CAT (Channel Aftertouch)
Inserts a channel aftertouch message with the specified
aftertouch value.
Location Aftertouch value
PAT (Polyphonic Aftertouch)
Inserts a polyphonic aftertouch message for the specified
note with the specified aftertouch value.
PAT aftertouch events affect a single specified note, as
opposed to CAT aftertouch events which affect all notes on
the same channel (track) simultaneously.
Aftertouch value
Location Note
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