PhD Solutions MXC-P442-HDTL Operation Manual page 12

Note:
1. All the command will be not executed unless followed with a
carriage return. All letters are case-insensitive.
2. Once switch RS-232 control to output Receiver all control can only
be done under RS-232 system.
3. Output Receiver's RS-232 equipment baud rate must be set correctly
in order to allow the Matrix to send through the commands.
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