Bi-Directional Communication Configuration
Bit 0: Enable or Disable the Unsolicited Decoder Initiated Transmission
Bit 1: Initiated Broadcast Transmission using Asymmetrical DCC Signal
Bit 2: Initiated Broadcast Transmission using Signal Controlled Influence Signal
Bits 3 to 5: Reserved for future usage
Bits 6 and 7: Flag Bits, currently not used but reserved for future use.
If the bit is set to 1, the feature is Enabled.