<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">I have yet to do digital with mine but - did you install the Icom 7300 drivers?</div><div dir="ltr"><br></div><div dir="ltr"><a href="https://www.icomjapan.com/support/firmware_driver/2417/">https://www.icomjapan.com/support/firmware_driver/2417/</a></div><div dir="ltr"><br></div><div dir="ltr">Andy</div><div dir="ltr"><br></div><div dir="ltr"><br>On Sep 26, 2025, at 12:28\u202fPM, Ron Zeheb via bars <bars@w1hh.org> wrote:<br><br></div><div dir="ltr">\ufeff<div class="yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:16px;"><div dir="ltr" data-setdir="false">I am dipping my toes into digital mode for the first time, but having difficulty setting up VarAC with my IC-7300. It should be easy, but.....</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I have VarAC and VARA HF modem downloaded and launched just fine. My rig is connected to the computer using a USB cable and the computer is running Windows10.</div><div dir="ltr" data-setdir="false">However it appears that the rig and computer are not talking to each other.</div><div dir="ltr" data-setdir="false">When I go to VarAC Settings/Rig Control & VARA Configurations with the COM Port radio button on: the Port pull down menu is blank (no port options are available to select).</div><div dir="ltr" data-setdir="false">Also, when I push the PTT test button on I get an error message in the log that reads, "Object reference not set to an instance of an object."</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I have tried two different USB cables, and all three available USB sockets on my computer all with the same result. I suspect that the issue resides in settings on the IC-7300 but I don't know</div><div dir="ltr" data-setdir="false">which ones or how to set them correctly.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Any help and/or suggestions would be greatly appreciated.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Thanks,</div><div dir="ltr" data-setdir="false"> Ron</div><div dir="ltr" data-setdir="false"> NJ1W</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">P.S. I have also watched several Youtube videos on this subject but they were not helpful.</div></div><span>_______________________________________________</span><br><span>bars mailing list</span><br><span>bars@w1hh.org</span><br><span>http://mail.w1hh.org/mailman/listinfo/bars_w1hh.org</span><br></div></body></html>