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<blockquote data-quote="mefisto002" data-source="post: 1060115" data-attributes="member: 548745">Alpine cda 7949&nbsp; !! Amazing head unit. !!!To turn the subwoofer on :press and hold the power button for at least 3 secondspres the F2 button repeatedly to select &quot;SUB.W&quot;.each press of the F2 button changes the modes as follows:SUB.WBEEPCONTRASTILLUMMUTED.OUTIf you press F1 button, the display scrolls in reverse secuence.Press the &quot;Up(&amp;gt;&amp;gt<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink&nbsp; &nbsp; ;)" loading="lazy" data-shortname=";)" />&quot; or &quot;DN(Note: initial mode is : &quot;SUB. W OFF&quot;AND:&nbsp; press the PWR button to set the selected mode.//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif</blockquote>

[QUOTE="mefisto002, post: 1060115, member: 548745"] Alpine cda 7949 !! Amazing head unit. !!! To turn the subwoofer on : press and hold the power button for at least 3 seconds pres the F2 button repeatedly to select "SUB.W". each press of the F2 button changes the modes as follows: SUB.W BEEP CONTRAST ILLUM MUTE D.OUT If you press F1 button, the display scrolls in reverse secuence. Press the "Up(>>)" or "DN( Note: initial mode is : "SUB. W OFF" AND: press the PWR button to set the selected mode. [IMG]//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif[/IMG] [/QUOTE]

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