Casio LK-270 - Manual (Page 27)

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HBS: Handshake Bulk Parameter Set Send
Indicates a parameter set image send message using handshake mode. The parameter set to be transferred is divided into
multiple packets when it is greater than a prescribed size. The packets are transferred in accordance with handshake mode.
ACK: Acknowledge
Indicates a message used by the receiver during parameter set handshake mode transfer to convey to the sender that it is
ready for send of the next packet. The cat, mem, and pset fields indicate the value carried by the last received message.
BSY: Busy
Indicates a message to convey to the requester that that the Instrument cannot send back data after a parameter set one-
way mode or handshake mode send request is received. The cat, mem, and pset fields indicate the value carried by the
last received message.
RJC: Reject
Indicates a message to convey to the other side that an ongoing parameter set one-way mode or handshake mode send or
receive session was interrupted. The cat, mem, and pset fields indicate the value carried by the last received message.
EOD: End of Data
Indicates a message to convey to the receiver that a one-way mode or handshake mode serial packet transfer for sending
a sub-session (one parameter set) is complete. The cat, mem, and pset fields indicate the value carried by the last received
message.
EOS: End of Session
Indicates a message to convey to the receiver that a one-way mode or handshake mode serial parameter set transfer session
send, which was launched by some operation, is complete. The cat, mem, and pset fields indicate the value carried by the
last received message.
ERR: Error
Indicates a message to convey to the sender that the checksum or message format of the previous packet was not correct
when receiving a parameter set with handshake mode. The cat, mem, and pset fields indicate the value carried by the last
received message.