NEC UN552S External Controls - Page 131

26. Proof of Play 26.1 Set Proof of Play Operation Mode This command is used in order to set Operation mode of Proof of Play. 1) The controller requests the monitor to set Operation mode of Proof of Play. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'A' Message STX-'C'-'A'-'1'-'5'-'0'-'0'-MDETX Check code Delimiter BCC CR Header SOH (01h) : Start of Header '0' (30h) : Reserved Monitor ID: Specify the Monitor ID from which you want to get status. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h) : Message sender is the controller. 'A' (41h) : Message Type is "Command". '0'-'A' (30h, 41h) : Message length is 10 bytes. Message STX (02h): Start of Message 'C'-'A'-'1'-'5': Proof of Play command '0'-'0' (30h,30h): Set Proof of Play Operation Mode command MD : Mode of Proof of Play. '0'-'0'(30h, 30h): Stop '0'-'1'(30h, 31h): Start '0'-'2'(30h, 32h): Clear Log data ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies the result of set Operation mode to the controller. Header SOH-'0'-Monitor ID'0'-'B'-'0'-'A' Message STX-'C'-'B'-'1'-'5'-'0'-'0'-ST-ETX Check code BCC Delimiter CR Header SOH (01h) : Start of Header '0' (30h) : Reserved Monitor ID: Specify the Monitor ID from which you want to get status. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h) : Message sender is the controller. 'A' (41h) : Message Type is "Command". '0'-'A' (30h, 41h) : Message length is 10 bytes. Message STX (02h): Start of Message 'C'-'B'-'1'-'5': Proof of Play reply command '0'-'0' (30h,30h): Set Proof of Play Operation Mode command ST: Status '0'-'0'(30h, 30h): No Error '0'-'1'(30h, 31h): Error (131/145)