<p>I recomend you to use one standard twisted RS232 Cable, do not use straight e.g. nullmodem. The software for your PC: 222 UTILITY SOFTWARE September 1993<br />Version 2.3 download this from TEK hompage. works fine on XP in cmd mode. </p><p>The Bla bla from the file: wfmConverter_12389_EN.zip below.. God luck //Mikael </p><p><em>"The 222 series utility software is a group of programs which extract,<br />convert and display waveforms from Tektronix 222 series instruments.<br />All programs in this family execute as simple DOS commands." </em></p>