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5.5.3 NULL Message
The NULL message returned from the monitor is used in the following cases;
Ø
To tell the controller that the monitor does not have any answer to give to the host (not
ready or not expected)
Ø
A null message will be returned by the monitor if the “Start Proof of Play” command is sent
and the monitor has already started Proof of Play.
Ø
A null message will be returned by the monitor if the “Stop Proof of Play” command is sent
and the monitor has not started Proof of Play.
Ø
Complete "NULL Message" command packet as follows;
01h-30h-30h-41h-42h-30h-34h-02h-42h-45h-03h-CHK-0Dh
SOH-'0'-'0'-'A'-'B'-'0'-'4'-STX-'B'-'E'-ETX-CHK- CR
STX
Command code
ETX
'B'
'E'
Summary of Contents for X754HB
Page 6: ... 6 139 Please refer Controlling the LCD monitor via LAN control on User s manual ...
Page 14: ... 14 139 4 4 Delimiter Packet delimiter code ASCII CR 0Dh Header Message Check code Delimiter ...
Page 17: ... 17 139 18th byte ETX End of Message ASCII ETX 03h ...
Page 51: ... 51 139 CR 0Dh End of packet ...
Page 89: ... 89 139 Delimiter CR 0Dh End of packet ...
Page 98: ... 98 139 Delimiter CR 0Dh End of packet ...
Page 102: ... 102 139 Delimiter CR 0Dh End of packet ...
Page 106: ... 106 139 Delimiter CR 0Dh End of packet ...
Page 108: ... 108 139 Delimiter CR 0Dh End of packet ...
Page 110: ... 110 139 Delimiter CR 0Dh End of packet ...
Page 112: ... 112 139 Delimiter CR 0Dh End of packet ...
Page 115: ... 115 139 Delimiter CR 0Dh End of packet ...
Page 118: ... 118 139 Delimiter CR 0Dh End of packet ...
Page 124: ... 124 139 Delimiter CR 0Dh End of packet ...