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	<id>https://wiki.harctoolbox.org/index.php?action=history&amp;feed=atom&amp;title=NEC1</id>
	<title>NEC1 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.harctoolbox.org/index.php?action=history&amp;feed=atom&amp;title=NEC1"/>
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	<updated>2026-11-10T00:36:40Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.3</generator>
	<entry>
		<id>https://wiki.harctoolbox.org/index.php?title=NEC1&amp;diff=969&amp;oldid=prev</id>
		<title>Administrator: 2 Versionen importiert</title>
		<link rel="alternate" type="text/html" href="https://wiki.harctoolbox.org/index.php?title=NEC1&amp;diff=969&amp;oldid=prev"/>
		<updated>2025-09-28T12:26:19Z</updated>

		<summary type="html">&lt;p&gt;2 Versionen importiert&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 13:26, 28 September 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Administrator</name></author>
	</entry>
	<entry>
		<id>https://wiki.harctoolbox.org/index.php?title=NEC1&amp;diff=968&amp;oldid=prev</id>
		<title>imported&gt;The Robman: /* NEC1 */</title>
		<link rel="alternate" type="text/html" href="https://wiki.harctoolbox.org/index.php?title=NEC1&amp;diff=968&amp;oldid=prev"/>
		<updated>2016-03-08T20:12:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;NEC1&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:12, 8 March 2016&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===[[NEC1]]===&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===[[NEC1]]===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  IRP notation: {38.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;4k&lt;/del&gt;,564}&amp;lt;1,-1|1,-3&amp;gt;(16,-8,D:8,S:8,F:8,~F:8,1,&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-78&lt;/del&gt;,(16,-4,1,&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-173&lt;/del&gt;)*)&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  IRP notation: {38.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;0k&lt;/ins&gt;,564}&amp;lt;1,-1|1,-3&amp;gt;(16,-8,D:8,S:8,F:8,~F:8,1,&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;^108m&lt;/ins&gt;,(16,-4,1,&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;^108m&lt;/ins&gt;)*)  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  EFC translation: LSB comp&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  EFC translation: LSB comp&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A few devices use NEC1 protocol at 40Khz, rather than the typical frequency. When getting a decode of NEC1, if you notice that the frequency is closer to 40Khz than to 38Khz, examine multiple learns from the same device to estimate whether the 40Khz frequency is a learning error or a true characteristic of the device. If the 40Khz is correct, there are methods in JP1, or MakeHex (whichever you are using) to reproduce NEC1 at 40Khz rather than the usual frequency.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;A few devices use NEC1 protocol at 40Khz, rather than the typical frequency. When getting a decode of NEC1, if you notice that the frequency is closer to 40Khz than to 38Khz, examine multiple learns from the same device to estimate whether the 40Khz frequency is a learning error or a true characteristic of the device. If the 40Khz is correct, there are methods in JP1, or MakeHex (whichever you are using) to reproduce NEC1 at 40Khz rather than the usual frequency.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>imported&gt;The Robman</name></author>
	</entry>
	<entry>
		<id>https://wiki.harctoolbox.org/index.php?title=NEC1&amp;diff=967&amp;oldid=prev</id>
		<title>imported&gt;The Robman: Created page with &quot;===NEC1===  IRP notation: {38.4k,564}&lt;1,-1|1,-3&gt;(16,-8,D:8,S:8,F:8,~F:8,1,-78,(16,-4,1,-173)*)  EFC translation: LSB comp A few devices use NEC1 protocol at 40Khz, rather ...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.harctoolbox.org/index.php?title=NEC1&amp;diff=967&amp;oldid=prev"/>
		<updated>2014-09-29T03:25:34Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;===&lt;a href=&quot;/index.php?title=NEC1&quot; title=&quot;NEC1&quot;&gt;NEC1&lt;/a&gt;===  IRP notation: {38.4k,564}&amp;lt;1,-1|1,-3&amp;gt;(16,-8,D:8,S:8,F:8,~F:8,1,-78,(16,-4,1,-173)*)  EFC translation: LSB comp A few devices use NEC1 protocol at 40Khz, rather ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;===[[NEC1]]===&lt;br /&gt;
 IRP notation: {38.4k,564}&amp;lt;1,-1|1,-3&amp;gt;(16,-8,D:8,S:8,F:8,~F:8,1,-78,(16,-4,1,-173)*)&lt;br /&gt;
 EFC translation: LSB comp&lt;br /&gt;
A few devices use NEC1 protocol at 40Khz, rather than the typical frequency. When getting a decode of NEC1, if you notice that the frequency is closer to 40Khz than to 38Khz, examine multiple learns from the same device to estimate whether the 40Khz frequency is a learning error or a true characteristic of the device. If the 40Khz is correct, there are methods in JP1, or MakeHex (whichever you are using) to reproduce NEC1 at 40Khz rather than the usual frequency.&lt;/div&gt;</summary>
		<author><name>imported&gt;The Robman</name></author>
	</entry>
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