Starting with the TRANSMIT keyword, the second section of the protocol definition specifies the steps required to compose a valid protocol frame which is sent to the device.
The protocol frame definition consists of a sequence step specifiers, represented by a keyword followed by a defined number of parameters each. The step specifiers recognized in the the TRANSMIT section are:
| CHAR | Outputs a single character. |
| ADDRESS | Outputs the device address. |
| USERDATA | Outputs the user data. |
| CHECKSUM | Outputs a message checksum. |
| DATALENGTH | Outputs a data length field (binary). |
| HEXLENGTH | Outputs a data length field (hex). |
| SEQUENCE | Outputs a binary message sequence number. |