TM 1-6625-724-13&P 0025 00 0025 00-9 Figure 9.  No Communications Between the CADU and Host Computer PC Keep getting red box indicating that you “Can Not Communicate With CADU”. You have performed all options listed in   red box mentioned above? Perform all requests in text box and retry the operation You are tying to use RADSCOM from the Desktop using a DOS Window in Win 95/98? 1.     Exit RADSCOM, 2.     Press the START button at bottom left screen. 3.     Select “Shut Down” – “Restart in MS DOS Mode” 4.     Restart RADSCOM 5.     Retry the operation. Verify you are using the supplied communication cable and that you are connected to the 9 pin serial connector on the RADS CADU and to the correct serial port on the PC. Proper communication cable is a “Serial Null Modem Cable” or a “Serial PC to PC Data Transfer Cable”, also known as a “Serial Laplink Cable”. Try   using   RADSCOM   from   a   DOS Window.  Win95/98 works differently on different machines, what works on one type will not work on another due to the way Win95/98 handle the communications port YES NO YES NO