How do you use a rigid ST 305 transmitter?

How do you use a rigid ST 305 transmitter?

https://www.youtube.com/watch?v=IawvUZc7UF4

What is a line transmitter?

https://www.youtube.com/watch?v=5UwPNoZOzKA

How do you use a Ridgid line transmitter?

https://www.youtube.com/watch?v=Esg6m5jxis8