Send file ([File] menu)

Sends a file to the host.

"Send file" dialog box (to input the file name)

File Name
Enter or select the file name of an existing file.
If you select this option, received characters are sent without any modifications. Otherwise, new-line codes are converted and control characters (except TAB, LF and CR) are stripped out.

"Send file" dialog box (displayed while sending)

The Close button quits sending.
The Pause button pauses sending. The Start button restarts sending. These buttons function as toggles.