+<para>Specifies the frontend modulation type for delivery systems that supports
+ more than one modulation type. The modulation can be one of the types
+ defined by &fe-modulation;.</para>
+
+
+<section id="fe-modulation-t">
+<title>Modulation property</title>
+
+<para>Most of the digital TV standards currently offers more than one possible
+ modulation (sometimes called as "constellation" on some standards). This
+ enum contains the values used by the Kernel. Please notice that not all
+ modulations are supported by a given standard.</para>
+
+<table pgwide="1" frame="none" id="fe-modulation">
+ <title>enum fe_modulation</title>
+ <tgroup cols="2">
+ &cs-def;
+ <thead>
+ <row>
+ <entry>ID</entry>
+ <entry>Description</entry>
+ </row>
+ </thead>
+ <tbody valign="top">
+ <row>
+ <entry>QPSK</entry>
+ <entry>QPSK modulation</entry>
+ </row><row>
+ <entry>QAM_16</entry>
+ <entry>16-QAM modulation</entry>
+ </row><row>
+ <entry>QAM_32</entry>
+ <entry>32-QAM modulation</entry>
+ </row><row>
+ <entry>QAM_64</entry>
+ <entry>64-QAM modulation</entry>
+ </row><row>
+ <entry>QAM_128</entry>
+ <entry>128-QAM modulation</entry>
+ </row><row>
+ <entry>QAM_256</entry>
+ <entry>256-QAM modulation</entry>
+ </row><row>
+ <entry>QAM_AUTO</entry>
+ <entry>Autodetect QAM modulation</entry>
+ </row><row>
+ <entry>VSB_8</entry>
+ <entry>8-VSB modulation</entry>
+ </row><row>
+ <entry>VSB_16</entry>
+ <entry>16-VSB modulation</entry>
+ </row><row>
+ <entry>PSK_8</entry>
+ <entry>8-PSK modulation</entry>
+ </row><row>
+ <entry>APSK_16</entry>
+ <entry>16-APSK modulation</entry>
+ </row><row>
+ <entry>APSK_32</entry>
+ <entry>32-APSK modulation</entry>
+ </row><row>
+ <entry>DQPSK</entry>
+ <entry>DQPSK modulation</entry>
+ </row><row>
+ <entry>QAM_4_NR</entry>
+ <entry>4-QAM-NR modulation</entry>
+ </row>
+ </tbody>
+ </tgroup>
+</table>
+</section>
+