The program is intended for transmitting of bytes to serial ports, manipulating by their baud rate and controlling of their LCR and MCR registers according to arbitrary timetable defined in user-written script file. The user can observe on the screen all actions performed by the program, as well as all information received by the program from serial ports.

This program can be useful to people that develop devices connecting to computer by serial ports. Also this program can be useful to people that want to feed somewhere a complex sequence of square pulse, but do not want develop special hardware for this purpose.

The program is designed for execution under DOS, however works correctly also under Windows 95/98/ME and, restrictedly, under Windows NT/2000/XP.

Features:
- Working with COM1 and COM2 simultaneously.
- Values of the LCR and MCR registers can be expressed both as hexadecimal number or as list of field values.
- Timetable is fulfilled with precision to one millisecond.
- The user can "freeze" and "defreeze" the picture.
- Timekeeping with precision to one millisecond. The user can enable and disable timekeeping at run time.
- Calculating of statistics about basic events (a byte is transmitted, a byte is received etc).
- Generating of sounds in synchronization with controlling of serial ports or independently of it.
- The program can automatically terminates when it completes execution of the script file.
- Versions of the program with Russian-language and English-language interface. Documentation on Russian and on (rough?) English.
- Timetable is defined before starting of the program. Feedback is not provided. User cannot interfere in execution of the timetable (except for terminate it).
- Information, obtained by the program, can be viewed only. The program is unable to write anything to a file.