A control device comprising: a housing; at least one printed circuit board disposed in the housing, the at least one printed circuit board including a central processing unit and a memory and the at least one printed circuit board configured to control an output signal received from a state-based protocol controller; a state-based protocol inlet port configured to communicate with the state-based protocol controller, a state-based protocol outlet port configured to communicate with a state-based protocol controllable media device, and at least one additional communication port configured to communicate with a command-based protocol controllable media device, wherein the output signal is composed of a plurality of channels repeatedly transmitted, the plurality of channels for controlling a plurality of parameters of at least one of the controllable media devices and the control device is configured to selectively disable control of at least a first parameter of the plurality of parameters of the at least one of the controllable media devices by at least a respective first channel of the plurality of channels while the state-based protocol controller continues to transmit the at least respective first channel to the control device, wherein the control device is further configured to selectively enable control of a second one of the plurality of parameters of the at least one controllable media devices by a second channel of the plurality of channels while the state-based protocol controller continues to transmit the plurality of channels to the control device, wherein the control device is configured to selectively disable control of the at least first parameter by causing the control device to ignore the at least respective first channel; the control device being configured with a corresponding static default value for each disabled channel, such that if a different value is received from the state-based protocol controller for that channel, the received value is ignored and the control device is configured to continue to transmit the static default value so that the at least one of the controllable media devices continues to use the static default value for each disabled channel. a housing; at least one printed circuit board disposed in the housing, the at least one printed circuit board including a central processing unit and a memory and the at least one printed circuit board configured to control an output signal received from a state-based protocol controller; a state-based protocol inlet port configured to communicate with the state-based protocol controller, a state-based protocol outlet port configured to communicate with a state-based protocol controllable media device, and at least one additional communication port configured to communicate with a command-based protocol controllable media device, wherein the output signal is composed of a plurality of channels repeatedly transmitted, the plurality of channels for controlling a plurality of parameters of at least one of the controllable media devices and the control device is configured to selectively disable control of at least a first parameter of the plurality of parameters of the at least one of the controllable media devices by at least a respective first channel of the plurality of channels while the state-based protocol controller continues to transmit the at least respective first channel to the control device, wherein the control device is further configured to selectively enable control of a second one of the plurality of parameters of the at least one controllable media devices by a second channel of the plurality of channels while the state-based protocol controller continues to transmit the plurality of channels to the control device, wherein the control device is configured to selectively disable control of the at least first parameter by causing the control device to ignore the at least respective first channel; the control device being configured with a corresponding static default value for each disabled channel, such that if a different value is received from the state-based protocol controller for that channel, the received value is ignored and the control device is configured to continue to transmit the static default value so that the at least one of the controllable media devices continues to use the static default value for each disabled channel.