The Interface is a 9-pin-female RS232 serial port to 3.5mm stereo jack. This kit includes a 4-foot patch cord with 3.5mm stereo jack plugs on both ends.
One end of the patch cord plugs into the stereo jack on the Beta, Beta Master and Gamma, Gamma Master Chronys; the other end of the patch cord plugs into the stereo jack of the IBM/PC Interface.
This data can be automatically downloaded into a file on your computer for further manipulation by the Chrony Ballistics II Software programs.
With Chrony Ballistics II Software, you can generate charts and graphs, calculate down-range performance, et cetera.