Denon DN-A7100 User Guide - Page 43

ENGLISH Examples of the handshaking flowchart • Example of successful handshaking HOST Command Status request SLAVE Command acceptable Related Status answer or ACK Request acceptable Status answer RECOMMENDATIONS OF COMMAND, STATUS AND LAYER DEFINITION - All Commands, Statuses and Layers will be defined other specific document. - [MANDATORY] The product MUST have Commands and the Statuses same as a remote controller buttons (IR controller) of the product. - All commands are required working by discreate as ON/OFF commands. (It means that do not support TOGGLE command only.) - AllCommandsandStatusesaredefinedsamecharactersizeexceptACK/NAKontheproduct.(Recommended character length : 3~6 characters) - It permits attaching 0x0A character to reply characters from the product. In this case, must suppose that the object is followed altogether. - Recommend to supports numbers or values direct setting command, if it has variable numbers or values. Changed some status! Auto status feedback The product can reply ACK instead of related status, if the product can not send the related status immediatly. • Examples of handshaking error HOST Command SLAVE Command incorrect NAK Status request Request incorrect NAK 39