Before revision: The transmitter was capable of sending a family of different codewords by means of a binary telegraph signal to the receiver, which was able to set up a different state of operation in the device being used, depending on the codeword .
After revision: , until reaching to 19 different actionsThe transmitter was capable of sending a family of different codewords by means of a binary telegraph signal to the receiver, which was able to set up a different state of operation in the device being used, depending on the codeword .