A Full 28 page manual is included in the download file. Some modes can transmit as well as receive. Download the Program Files. Download the Picture demos. A small and cheap to build interface using 741 or 555 timer is required.
Full details are available within the program.
This can be obtained from the following web site. A new type of mode detection by evaluating the scan line frequencies of SSTV transmissions has been implemented in JVComm32. This enables for the automatic reception of pictures without having to decode the VIS code. JVComm32 runs with a simple 16 bit sound, and some other external interfaces. Uses the Sound Card interface.