Marantz SR7300 Marantz AV Receiver IR Remote Code List - Page 5

SR7300/SR7300OSE Hardware Software Interface (HSI) Spec. Page: 5 / 19 Document Version [2.01] 3-2. Transmission data format 3-2-1. Transmission data format from Host to Slave There are two kinds of transmission data form from Host shown below. 3-2-1-1. Form1: Command Command is a data that requests some status change. Start character : '@' ID : '0' ~ '9' (A Slave has own ID, A Host has to set the ID.) COMMAND : see "Command list" End character : 0Dh S tart COM M AND E nd ID '@ ' 0D h 3-2-1-2. Form2: Status request Status request is a data that requests a answer of some status. Start character : '@' ID : '0' ~ '9' (A Slave has own ID, A Host has to set the ID.) Request character : '?' Request status : see "Status request list" End character : 0Dh S tart R e qu e st statu s End ID '?' '@ ' 0D h 3-2-2. Transmission data format from Slave to Host There are two kinds of transmission data form from Slave shown below. 3-2-2-1. Form1: ACK/NAK ACK is a reply data from Slave when Slave got an acceptable command data from Host. ACK : 06h ACK 06h NAK is a reply data from Slave when Slave got an incorrect Command data, Status request data or some other data from Host. NAK : 15h NAK 15h 3-2-2-2. Form2: Status answer Status answers are reply data when Slave got an acceptable Request status data from Host. Start character : '@' ID : '0' ~ '9' (A Slave will set own ID.) Answer character : see "Status answer list" End character : 0Dh S tart S tatus answ er E nd ID '@ ' 0D h