{"id":6420,"date":"2025-11-15T16:02:31","date_gmt":"2025-11-15T21:02:31","guid":{"rendered":"https:\/\/www.summet.com\/blog\/?p=6420"},"modified":"2025-12-16T08:24:33","modified_gmt":"2025-12-16T13:24:33","slug":"ft8-and-cat-rig-control-with-the-icom-ic-725-using-a-digirig-mobile-ci-v","status":"publish","type":"post","link":"https:\/\/www.summet.com\/blog\/2025\/11\/15\/ft8-and-cat-rig-control-with-the-icom-ic-725-using-a-digirig-mobile-ci-v\/","title":{"rendered":"FT8 and CAT rig control with the Icom IC-725 using a DigiRig Mobile (CI-V)"},"content":{"rendered":"<div class='__iawmlf-post-loop-links' style='display:none;' data-iawmlf-post-links='[{&quot;id&quot;:13,&quot;href&quot;:&quot;https:\\\/\\\/digirig.net\\\/product\\\/digirig-mobile&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;https:\\\/\\\/digirig.net\\\/product\\\/digirig-mobile\\\/&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:23,&quot;href&quot;:&quot;https:\\\/\\\/digirig.net\\\/product\\\/icom-din8-cables&quot;,&quot;archived_href&quot;:&quot;&quot;,&quot;redirect_href&quot;:&quot;https:\\\/\\\/digirig.net\\\/product\\\/icom-din8-cables\\\/&quot;,&quot;checks&quot;:[],&quot;broken&quot;:false,&quot;last_checked&quot;:null,&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:24,&quot;href&quot;:&quot;https:\\\/\\\/digirig.net\\\/product-category\\\/cables\\\/usb-cables&quot;,&quot;archived_href&quot;:&quot;https:\\\/\\\/web-wp.archive.org\\\/web\\\/20260222033504\\\/https:\\\/\\\/digirig.net\\\/product-category\\\/cables\\\/usb-cables\\\/&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2026-04-15 02:16:44&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-04-19 05:35:40&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-04-23 11:14:23&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-04-26 12:20:28&quot;,&quot;http_code&quot;:200},{&quot;date&quot;:&quot;2026-05-02 06:38:22&quot;,&quot;http_code&quot;:200}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-05-02 06:38:22&quot;,&quot;http_code&quot;:200},&quot;process&quot;:&quot;done&quot;}]'><\/div><div id=\"attachment_6424\" style=\"width: 594px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6424\" class=\"wp-image-6424 size-large\" src=\"https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-1024x769.jpg\" alt=\"\" width=\"584\" height=\"439\" srcset=\"https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-1024x769.jpg 1024w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-300x225.jpg 300w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-768x577.jpg 768w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-1536x1153.jpg 1536w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-2048x1538.jpg 2048w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/PXL_20251115_204537737-400x300.jpg 400w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a><p id=\"caption-attachment-6424\" class=\"wp-caption-text\">The DIN8 (audio in\/out) plugs into the Acc 1 port (the right most 8 pin port on the back of the rig) and the serial control plugs into the &#8220;remote&#8221; jack which is directly above the two 8 pin ACC ports.<\/p><\/div>\r\n<p><br \/>I was able to successfully make digital FT8 contacts using my vintage Icom IC-725 transceiver, a DigiRig (with the correct cables) and the WSJTX software.\u00a0\u00a0<br \/>You need a <a href=\"https:\/\/digirig.net\/product\/digirig-mobile\/\">DigiRig mobile<\/a> that is configured for CI-V cat control (not the default) and the &#8220;<a href=\"https:\/\/digirig.net\/product\/icom-din8-cables\/\">Icom DIN8<\/a>&#8221; cables.\u00a0 [Plus a <a href=\"https:\/\/digirig.net\/product-category\/cables\/usb-cables\/\">USB-C cable<\/a>.]<br \/><br \/>With the above hardware, you can control your rig via the &#8220;remote&#8221; jack (tuning to frequencies and turning the transmitter on) while using audio in\/out via the built in USB Soundcard.\u00a0 Many things can be done with the right software, but for now I&#8217;m just using WSJTX for FT-8.<br \/><br \/>For my IC-725 (which I suspect has the default diode settings inside) I needed to change the Baud Rate to 1200, and the PTT method to &#8220;RTS&#8221; (this is specific to the Digirig).\u00a0 [I also had to pick the DigiRig USB soundcard under the &#8220;Audio&#8221; tab.]<br \/><a href=\"https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/DigiRig-Icom-IC-725-WSJTX-settings.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6425\" src=\"https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/DigiRig-Icom-IC-725-WSJTX-settings.png\" alt=\"\" width=\"834\" height=\"725\" srcset=\"https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/DigiRig-Icom-IC-725-WSJTX-settings.png 834w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/DigiRig-Icom-IC-725-WSJTX-settings-300x261.png 300w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/DigiRig-Icom-IC-725-WSJTX-settings-768x668.png 768w, https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2025\/11\/DigiRig-Icom-IC-725-WSJTX-settings-345x300.png 345w\" sizes=\"auto, (max-width: 834px) 100vw, 834px\" \/><\/a><\/p>\r\n<p>This combo lets WSJTX tune the radio (although I mostly just work in the 20 meter band because that&#8217;s the antenna I have up right now) as well as transmit and receive audio for FT8 and other digital modes.<\/p>\r\n<p>&nbsp;<\/p>\r\n\r\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/cKjlC_OM6aE?si=WUWPVTPnB9VMcEEF\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>","protected":false},"excerpt":{"rendered":"<p>I was able to successfully make digital FT8 contacts using my vintage Icom IC-725 transceiver, a DigiRig (with the correct cables) and the WSJTX software.\u00a0\u00a0You need a DigiRig mobile that is configured for CI-V cat control (not the default) and &hellip; <a href=\"https:\/\/www.summet.com\/blog\/2025\/11\/15\/ft8-and-cat-rig-control-with-the-icom-ic-725-using-a-digirig-mobile-ci-v\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6420","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/6420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/comments?post=6420"}],"version-history":[{"count":4,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/6420\/revisions"}],"predecessor-version":[{"id":6429,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/6420\/revisions\/6429"}],"wp:attachment":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/media?parent=6420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/categories?post=6420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/tags?post=6420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}