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<body class='hmmessage'><div dir='ltr'><font style="" face="Tahoma">There is a better description of that at the DMK site. <br><br><a href="http://dmkeng.com/images/URIx%20Data%20Sheet.pdf" target="_blank">http://dmkeng.com/images/URIx%20Data%20Sheet.pdf</a><br><br>Pin 9 in labeled Mic_in_DC which in essence means direct coupled. It is a low level input and if you were to use it you would definitely need to capacitively couple to avoid damage. If for some reason you are using pin 9 switch to 21 and that should solve your problem. See the schematic at the DMK site to understand the difference between pin 9 and 21. <br id="FontBreak"></font><br><b><font style="font-size:16pt;" size="4">73 Doug</font><font style="font-size:16pt;" size="4"><br></font><font style="font-size:16pt;" size="4">WA3DSP</font><font style="font-size:16pt;" size="4"><br></font><font style="font-size:16pt;" size="4">http://www.crompton.com/hamradio</font></b><font style="font-size:16pt;" size="4"><br></font><br><br><div>> Date: Fri, 7 Mar 2014 22:32:12 -0800<br>> From: cypresstower@yahoo.com<br>> To: n9jpg.ham@gmail.com; app_rpt-users@ohnosec.org<br>> Subject: Re: [App_rpt-users] USB URIx overmodulation problem?<br>> <br>> Assuming one knows about the rxboost=x setting in the usbradio.conf. <br>> <br>> The URI has 2 audio inputs, pin 21 and pin 9. Pin 21 is padded, pin 9 is not. <br>> Motorola's work well on pin 21, but occasionally it may be necessary to use<br>> pin 9 along with some minor modifications to properly adjust rx audio. <br>> In this case, look at the RIM from repeater builder. It has only one audio input<br>> and a selectable audio input attenuator. You don't need any extra parts or mods. <br>> Their input attenuator works well with a URI.<br>> The RIM has some other unique advantages one might consider.<br>> JK<br>> --------------------------------------------<br>> On Thu, 3/6/14, Kevin Oleniczak <n9jpg.ham@gmail.com> wrote:<br>> <br>> Subject: [App_rpt-users] USB URIx overmodulation problem?<br>> To: "app_rpt-users@ohnosec.org" <app_rpt-users@ohnosec.org><br>> Date: Thursday, March 6, 2014, 12:17 AM<br>> <br>> I'm using a<br>> URIx module with my radio and am in the process of adjusting<br>> audio levels. I'm following the well documented<br>> procedures to set rx and tx levels but noticed that that<br>> choices in txvoice levels have little or no effect. I've<br>> made some measurements with my service monitor.<br>> <br>> <br>> radio tune txvoice 10 >> 0.35Khz deviation<br>> radio tune txvoice 14 >> 4.8Khz deviation<br>> radio tune txvoice 15 >> 4.8Khz deviation<br>> radio tune txvoice 20 >> 5.2Khz deviation<br>> radio tune txvoice 100 >> 5.2Khz deviation<br>> <br>> radio tune txvoice 500 >> 5.2Khz deviation<br>> radio tune txvoice 900 >> 5.2Khz deviation<br>> <br>> With a goal of 3KHz deviation, its not possible<br>> through settings alone. Any ideas why this is so touchy?<br>> <br>> <br>> thanks<br>> <br>> <br>> <br>> -----Inline Attachment Follows-----<br>> <br>> _______________________________________________<br>> App_rpt-users mailing list<br>> App_rpt-users@ohnosec.org<br>> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users<br>> <br>> To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users<br>> and scroll down to the bottom of the page. Enter your email<br>> address and press the "Unsubscribe or edit options button"<br>> You do not need a password to unsubscribe, you can do it via<br>> email confirmation. If you have trouble unsubscribing,<br>> please send a message to the list detailing the problem.<br>> <br>> <br>> _______________________________________________<br>> App_rpt-users mailing list<br>> App_rpt-users@ohnosec.org<br>> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users<br>> <br>> To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button"<br>> You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. <br>> <br></div> </div></body>
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