Allows you to send custom hexadecimal commands to a Master Control device.
Name - Passthru
SOM - Start of message
Str1
Code - A
Params : SOM indicates the frames AFTER the start of the event
Code - B
Params : SOM indicates the frames BEFORE the end of the event
Str2 - Name of the device to be controlled.
Params - Hexadecimal string to be sent to the device.