Casio AP-500 Implementation Manual page 38

Data Receiver
OBS →
← BSY
Data Receiver
HBR →
← BSY
Data Receiver
HBS →
← BSY
See "Part VI Parameter Set List" for information about how parameter sets can actually be transferred.
Data Sender
(Send Canceled)
Data Sender
(Send Canceled)
Data Sender
(Send Canceled)
Operation
Data Send
Busy
Operation
Send Request
Busy
Operation
Data Send
Busy
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