Marantz SR5002 IR Database "xcf file" for Marantz AV Receiver Common - Page 8

SR5002, Document Version [1.00]

Page 8 highlights

SR5002 RS-232C Control Specification 3-3-5. Examples of the handshaking flowchart 3-3-5-1. Example of successful handshaking Page: 8 / 21 Document Version [1.00] HOST Com m and S ta tus re q u e s t SLAVE Com m and a cce p ta b le R e la te d S ta tus answ e r or ACK Request a cce p ta b le S ta tus answer Changed so m e statu s! A u to statu s fee db ack The product can reply ACK instead of related status, if the product can not send the related status immediatly. 3-3-5-2. Examples of handshaking error HOST Com m and SLAVE Com m and in c o rre c t NAK S ta tu s re que st R equest in c o rre c t NAK Company Restricted

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SR5002
RS-232C Control Specification
Page: 8 / 21
Document Version [1.00]
Company Restricted
3-3-5. Examples of the handshaking flowchart
3-3-5-1. Example of successful handshaking
SLAVE
HOST
Command
acceptable
Request
acceptable
Command
ACK
Status
request
Status
answer
Related
Status answer
or
Auto status
feedback
Changed
some status!
The product can reply ACK instead of related status, if the product can not send the related status
immediatly.
3-3-5-2. Examples of handshaking error
SLAVE
HO ST
Com m and
incorrect
Request
incorrect
Com m and
NAK
Status
request
NAK