1.0SweetCarehttps://www.sweetwater.com/sweetcareasa_doylehttps://www.sweetwater.com/sweetcare/author/Asa Doyle/rich600338<blockquote class="wp-embedded-content"><a href="https://www.sweetwater.com/sweetcare/articles/pcm81-lock-incoming-digital-signal/">Why won’t the PCM81 lock to an incoming Digital Signal</a></blockquote> <script type='text/javascript'> <!--//--><![CDATA[//><!-- /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,n=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},!c.wp.receiveEmbedMessage)if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!/[^a-zA-Z0-9]/.test(t.secret)){for(var r,a,i,s=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<s.length;o++)if(r=s[o],e.source===r.contentWindow){if(r.removeAttribute("style"),"height"===t.message){if(1e3<(i=parseInt(t.value,10)))i=1e3;else if(~~i<200)i=200;r.height=i}if("link"===t.message)if(a=d.createElement("a"),i=d.createElement("a"),a.href=r.getAttribute("src"),i.href=t.value,i.host===a.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(!n){n=!0;for(var e,t,r=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),s=0;s<i.length;s++){if(!(e=i[s]).getAttribute("data-secret"))t=Math.random().toString(36).substr(2,10),e.src+="#?secret="+t,e.setAttribute("data-secret",t);if(r||a)(t=e.cloneNode(!0)).removeAttribute("security"),e.parentNode.replaceChild(t,e)}}}}(window,document); //--><!]]> </script><iframe sandbox="allow-scripts" security="restricted" src="https://www.sweetwater.com/sweetcare/articles/pcm81-lock-incoming-digital-signal/embed/" width="600" height="338" title="“Why won’t the PCM81 lock to an incoming Digital Signal” — SweetCare" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>Check your cables. DO NOT USE ANALOG AUDIO CABLE TO CONNECT DIGITAL AUDIO. Digital Format: S/PDIF (CP-340 Type II) Consumer Digital Audio I/O. This interface is unbalanced but because it carries digital signals, it requires the use of 75ohm coaxial cable. Audio grade cable is not necessarily 75ohm and is therefore unsuitable. 75ohm video-grade cable […]