{"id":16501,"date":"2016-01-01T07:59:00","date_gmt":"2016-01-01T11:59:00","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=16501"},"modified":"2016-01-19T17:26:41","modified_gmt":"2016-01-19T21:26:41","slug":"george-demonstrates-the-pl-880-tuning-bug","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2016\/01\/george-demonstrates-the-pl-880-tuning-bug\/","title":{"rendered":"George demonstrates the Tecsun PL-880 tuning bug"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16502\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/PL-880-Tuning-Bug.jpg\" alt=\"PL-880-Tuning-Bug\" width=\"638\" height=\"435\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/PL-880-Tuning-Bug.jpg 638w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/PL-880-Tuning-Bug-300x205.jpg 300w\" sizes=\"auto, (max-width: 638px) 100vw, 638px\" \/><\/p>\n<p><em><a href=\"http:\/\/swling.com\/blog\/2016\/01\/tecsun-pl-880-fine-tuning-bug-solved-by-anon-co\/\">[19 January 2016: Please read this updated post.]<\/a><\/em><\/p>\n<p>In response to <a href=\"http:\/\/swling.com\/blog\/2015\/12\/pawel-discovers-a-tuning-bug-in-his-tecsun-pl-880\/\" target=\"_blank\">Pawel&#8217;s post about a tuning bug affecting a recent batch of Tecsun PL-880s<\/a>, <em>SWLing Post<\/em>\u00a0contributor Georges (F6DFZ) comments:<\/p>\n<blockquote><p>I have posted <a href=\"https:\/\/www.youtube.com\/watch?v=3KZFlO-C-Gk&amp;feature=player_embedded\" target=\"_blank\">a new video about this important bug of the PL-880<\/a>.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/3KZFlO-C-Gk?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>I did so because it seems some people don&#8217;t understand this very important issue.<\/p>\n<p>This video shows the Tecsun PL-880 tuning bug which is present on SSB when using the Fine Tuning knob.<\/p>\n<p>The PL-880 is tuned to the Shannon Volmet on 5,505 MHz USB.<\/p>\n<p>At the beginning, I use the coarse Tuning knob to shows the effect of tuning 1 kHz down ; the pitch of the voice increases as we are on USB.<\/p>\n<p>Then, I tune down 1 kHz using the Fine Tuning knob, and now the pitch of the voice decreases, indicating the bug with the reverse tuning using the Fine Tuning knob on SSB.<br \/>\nAt the end, I use the coarse Tuning knob to hear the voice with a normal pitch, and you can see that the displayed frequency is 5,503.01 MHz, a difference of nearly 2 kHz versus the true frequency.<\/p>\n<p>Best regards, and a Happy New Year<\/p>\n<p>Georges F6DFZ<\/p><\/blockquote>\n<p>Thank you, Georges. Since I have an early PL-880 model that doesn&#8217;t have this bug, your video and explanation does clarify the situation.<\/p>\n<p>That is frustrating. Until this bug is fixed, I couldn&#8217;t recommend purchasing a new Tecsun PL-880. I hope someone can confirm when the bug is fixed and the production run is once again free of this tuning issue.<\/p>\n<p>Many thanks to Pawel and Georges for bringing this to our attention.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[19 January 2016: Please read this updated post.] In response to Pawel&#8217;s post about a tuning bug affecting a recent batch of Tecsun PL-880s, SWLing Post\u00a0contributor Georges (F6DFZ) comments: I have posted a new video about this important bug of the PL-880. I did so because it seems some people don&#8217;t understand this very important [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,26,43],"tags":[4590,4571,2065,479,2066,4570,4572],"class_list":["post-16501","post","type-post","status-publish","format-standard","hentry","category-news","category-radios","category-shortwave-radio","tag-georges-f6dfz","tag-pawel-sq9zav","tag-pl-880","tag-tecsun","tag-tecsun-pl-880","tag-tecsun-pl-880-bugs","tag-tecsun-pl-880-tuning"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-4i9","jetpack-related-posts":[{"id":16903,"url":"https:\/\/swling.com\/blog\/2016\/01\/tecsun-pl-880-fine-tuning-bug-solved-by-anon-co\/","url_meta":{"origin":16501,"position":0},"title":"Tecsun PL-880 fine tuning bug solved by Anon-Co","author":"Thomas","date":"January 19, 2016","format":false,"excerpt":"Many thanks to SWLing Post contributor, Georges (F6DFZ), who writes: As you may know, a few [of us PL-880 owners] have documented the extremely annoying bug that affect the Tecsun PL-880 during Fine Tuning of SSB signals. To sum it up, recently manufactured Tecsun PL-880 tune backward when using the\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"PL-880-Tuning-Bug","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/PL-880-Tuning-Bug.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/PL-880-Tuning-Bug.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/01\/PL-880-Tuning-Bug.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":16347,"url":"https:\/\/swling.com\/blog\/2015\/12\/pawel-discovers-a-tuning-bug-in-his-tecsun-pl-880\/","url_meta":{"origin":16501,"position":1},"title":"Pawel discovers a tuning bug in his Tecsun PL-880","author":"Thomas","date":"December 26, 2015","format":false,"excerpt":"[19 January 2016: Please read this updated post.] Many thanks to SWLing Post reader, Pawel (SQ9ZAV), who writes from Poland: Hello Thomas, On November 4, 2015, I bought a Tecsun PL-880 from ErcomeR company. I found an error:\u00a0the last two digits of hundreds and tens Hz in SSB mode correctly\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"PL-880 (1)","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":8110,"url":"https:\/\/swling.com\/blog\/2013\/12\/video-tecsun-pl-880-tuning-through-a-cw-pile-up\/","url_meta":{"origin":16501,"position":2},"title":"Video: Tecsun PL-880 tuning through a CW pileup","author":"Thomas","date":"December 3, 2013","format":false,"excerpt":"While working outside today, I propped the PL-880 up on the tailgate of my truck and listened to some international broadcasters on shortwave. I then received a message from a reader asking if I would make a video of the PL-880 being tuned to CW (Morse Code). I switched the\u2026","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"photo (5)","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/photo-5.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/photo-5.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/photo-5.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":17318,"url":"https:\/\/swling.com\/blog\/2016\/02\/gary-discovers-a-way-to-lock-narrow-filters-on-the-tecsun-pl-880\/","url_meta":{"origin":16501,"position":3},"title":"Gary discovers a way to lock narrow filters on the Tecsun PL-880","author":"Thomas","date":"February 10, 2016","format":false,"excerpt":"Many thanks to SWLing Post reader, Gary (WN9U) who writes: Just an FYI comment about the narrow filters NOT staying on while tuning.\u00a0I read about the similar problem that you encountered during the initial\u00a0testing of the PL-880. While tuning CW stations with the 500 Hz filter turned on (fast or\u2026","rel":"","context":"In &quot;How To&quot;","block_context":{"text":"How To","link":"https:\/\/swling.com\/blog\/category\/how-to\/"},"img":{"alt_text":"PL-880 (1)","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":8291,"url":"https:\/\/swling.com\/blog\/2013\/12\/hidden-feature-calibrating-the-tecsun-pl-880-on-medium-wave\/","url_meta":{"origin":16501,"position":4},"title":"Hidden feature: Calibrating the Tecsun PL-880 on medium wave","author":"Thomas","date":"December 14, 2013","format":false,"excerpt":"This hidden feature was described by Diemtar on the Tecsun PL-880 Yahoo Group: Tune to a strong medium wave (AM broadcast) station Turn on on SSB mode USB\/LSB Move the fine tuning control until you have a good\u00a0SSB signal (i.e. obtain a good zero-beat of the AM station) Press and\u2026","rel":"","context":"In &quot;How To&quot;","block_context":{"text":"How To","link":"https:\/\/swling.com\/blog\/category\/how-to\/"},"img":{"alt_text":"Tecsun-SSB-QRG-1","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-SSB-QRG-1.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-SSB-QRG-1.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-SSB-QRG-1.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":8289,"url":"https:\/\/swling.com\/blog\/2013\/12\/important-note-about-tecsun-pl-880-firmware-versions\/","url_meta":{"origin":16501,"position":5},"title":"Important note about Tecsun PL-880 firmware versions","author":"Thomas","date":"December 13, 2013","format":false,"excerpt":"It seems that there are some important differences emerging between PL-880 firmware versions. You may have noted that the PL-880 I reviewed yesterday has a firmware version of 8820. I purchased my PL-880 through eBay seller, Anon-Co. As far as I can tell, most, if not all of the units\u2026","rel":"","context":"In &quot;New Products&quot;","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"Click here to learn how to display your PL-880's firmware version.","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-800-Firmware-101-300x147.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/16501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=16501"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/16501\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=16501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=16501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=16501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}