RS232 interface software for Tektronix TDS oscilloscopes with option 14 standalone exe on the root folder Connect up to the RS-232 port on your Tek TDS. Go under utility>IO and make sure everything is set to RS-232. Set the image format to BMP, and baudrate of 34800.
project was originally from toughdev: http://www.toughdev.com/content/2014/01/programming-the-tektronix-tds-340-100mhz-digital-storage-oscilloscope/