{"id":22207,"date":"2016-11-12T08:50:46","date_gmt":"2016-11-12T12:50:46","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=22207"},"modified":"2016-11-12T08:50:46","modified_gmt":"2016-11-12T12:50:46","slug":"possible-tecsun-pl-880-hidden-feature-noise-reduction-adjustment","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2016\/11\/possible-tecsun-pl-880-hidden-feature-noise-reduction-adjustment\/","title":{"rendered":"Possible Tecsun PL-880 hidden feature: Noise reduction adjustment?"},"content":{"rendered":"<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-10203\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg\" alt=\"PL-880 (1)\" width=\"650\" height=\"527\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1.jpg 650w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1-300x243.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-1-100x81.jpg 100w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/p>\n<p>Many thanks to <em>SWLing Post<\/em> reader, Paul, who writes:<\/p>\n<blockquote><p>While putzing around with my new Tecsun PL-880 that I got while browsing at Universal Radio\u2019s store in Columbus OH, I found what appears to be an adjustable noise reduction function.<\/p>\n<p>Firmware level: 8820<br \/>\nMfg date: probably August 2016 (201608 from the serial number inside the tilt stand)<\/p>\n<p>Here are the steps to check it out;<\/p>\n<p>When in a shortwave\u00a0band, press \u201c4\u201d until either \u201cON\u201d or \u201cOFF\u201d appears in the display.<br \/>\nIf it displays \u201cOFF\u201d, press 4 briefly to clear, then long press again until \u201cON\u201d appears.<\/p>\n<p>Then, long press \u201c9\u201d until a two digit number appears.<\/p>\n<p>Use either tuning knob to increase or decrease the number.<\/p>\n<p>The number appears to correspond with the DbM threshold of the received signal.<\/p>\n<p>Perhaps someone can play with the feature and elaborate on its function.<\/p>\n<p>Hope this is useful, let me know.<\/p><\/blockquote>\n<p>Thank you for sharing, Paul!\u00a0\u00a0I do wonder if this adjustment could affect the DNR setting (<a href=\"http:\/\/swling.com\/blog\/2013\/12\/video-tecsun-pl-880-vs-pl-660-using-the-hidden-dnr-feature\/\">check out this previous post as well)<\/a>.<\/p>\n<p><em>Post<\/em> readers: Has anyone else been able to replicate and test this hidden feature? Please comment!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post reader, Paul, who writes: While putzing around with my new Tecsun PL-880 that I got while browsing at Universal Radio\u2019s store in Columbus OH, I found what appears to be an adjustable noise reduction function. Firmware level: 8820 Mfg date: probably August 2016 (201608 from the serial number inside the [&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":[3,3196,26,43],"tags":[2065,2066,3144,2375],"class_list":["post-22207","post","type-post","status-publish","format-standard","hentry","category-news","category-portable-radio","category-radios","category-shortwave-radio","tag-pl-880","tag-tecsun-pl-880","tag-tecsun-pl-880-hidden-feature","tag-tecsun-pl-880-hidden-feature-dnr"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-5Mb","jetpack-related-posts":[{"id":8137,"url":"https:\/\/swling.com\/blog\/2013\/12\/video-tecsun-pl-880-vs-pl-660-using-the-hidden-dnr-feature\/","url_meta":{"origin":22207,"position":0},"title":"Video: Tecsun PL-880 vs. PL-660, using the hidden DNR feature","author":"Thomas","date":"December 4, 2013","format":false,"excerpt":"In this video, I've tuned both the Tecsun PL-880 and PL-660 to All India Radio on 9,445 kHz (transmitted from\u00a0Bengaluru, India, some 8,800 miles away). Thanks to an image of a (prototype?) PL-880 keypad posted on the\u00a0Tecsun PL-880 Yahoo Group--an excellent group\u00a0you should join, by the way--I've discovered that if\u2026","rel":"","context":"In &quot;New Products&quot;","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"Photo source: Tecsun PL-880 Yahoo Group","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/PL-880-With-Hidden-Keys-229x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8335,"url":"https:\/\/swling.com\/blog\/2013\/12\/hidden-feature-displaying-the-tecsun-pl-880-date-of-manufacture\/","url_meta":{"origin":22207,"position":1},"title":"Hidden feature: Displaying the Tecsun PL-880 date of manufacture","author":"Thomas","date":"December 18, 2013","format":false,"excerpt":"Thanks to SWLing Post reader, Tim, we know how to display (what we believe is) the date of manufacture for your Tecsun PL-880: 1.) With the radio turned off, simply press and hold the \u201cAM BW\u201d button and the full display panel will turn on. 2.) Then press and hold\u2026","rel":"","context":"In &quot;New Products&quot;","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"Tecsun-PL-880-Manufacturing-date-SWLing-Post","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-880-Manufacturing-date-SWLing-Post.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-880-Manufacturing-date-SWLing-Post.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-880-Manufacturing-date-SWLing-Post.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":22207,"position":2},"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":8103,"url":"https:\/\/swling.com\/blog\/2013\/12\/hidden-feature-adjusting-the-tecsun-pl-880-muting-threshold\/","url_meta":{"origin":22207,"position":3},"title":"Hidden feature: Adjusting the Tecsun PL-880 muting threshold","author":"Thomas","date":"December 3, 2013","format":false,"excerpt":"SWLing Post reader Owl points out another hidden feature of the Tecsun PL-880: \"Press and hold 9 when you listen to AM or SSB, you may adjust the muting threshold using either tuning knob. Press 9 again after you are done, the new threshold will be saved.\" Many thanks, Owl,\u2026","rel":"","context":"In &quot;New Products&quot;","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"Tecsun-PL-800-Sync-SWLing-Post","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-800-Sync-SWLing-Post-225x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8291,"url":"https:\/\/swling.com\/blog\/2013\/12\/hidden-feature-calibrating-the-tecsun-pl-880-on-medium-wave\/","url_meta":{"origin":22207,"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":10401,"url":"https:\/\/swling.com\/blog\/2014\/07\/pl-880-hidden-feature-adjusting-fm-muting-threashold\/","url_meta":{"origin":22207,"position":5},"title":"PL-880 Hidden Feature: Adjusting FM muting threshold","author":"Thomas","date":"July 31, 2014","format":false,"excerpt":"Many thanks to SWLing Post reader, Hector (AD4C) for discovering and sharing this hidden feature of the Tecsun PL-880. Hector writes: \"I have been using the Tecsun PL-600 for some time but never was satisfied with its performance in SSB, you can read my review on eham. Last night I\u2026","rel":"","context":"In &quot;Articles&quot;","block_context":{"text":"Articles","link":"https:\/\/swling.com\/blog\/category\/articles\/"},"img":{"alt_text":"PL-880-RightSide","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-RightSide.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-RightSide.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/07\/PL-880-RightSide.jpg?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/22207","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=22207"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/22207\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=22207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=22207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=22207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}