Yamaha SY77 Operating Manual page 215

How pattern play mode and pattern edit mode are organized
From the Pattern Play display you can press F6 to
enter the Pattern Edit Job job directory, F7 to enter
the Pattern Setup job directory, or F8 to clear a
selected pattern or all patterns.
01:Copy Pattern
02:Get Pattern
03:Put Pattern
01:Receive Event
02:0utput Channel
03:MIDI Control
04:Accent Level
05:Clock/Beat
PATTERN MODE
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