[Elecraft] PC Color Codes

[David Robertson]

Mike,

The universal color codes that PC's use on their cound card plugs are:
Red=Mic in
Green=Line out
Blue=Line in

This is assuming your sound card is set up for analog sound out and not 6 channel digital.

On some sound cards there are additional plugs for rear speakers and digital output which you dont use for amateur radio connunications.

Old sound cards use lables (which are hard to read) and are all the same color plugs.

73
Dave KD1NA

>Dave Wrote...but did apply all of the applicable hardware mods to date. So
hopefully the distortion is not hardware related but operator error in
driving my soundcard too hard.

Dave,
When I have my K3 Line Out plugged into my sound card rear microphone input
I see IMD products that I don't see when I plug into the Line In on the PC
soundcard. It is difficult for me to know which one I am plugged into
because I do not understand the color code on the PC sound input output
panel. The only way I make sure I am plugged into Line In is to bring up the
Windows microphone panel and mute all inputs but Line In and make sure that
I am getting a waterfall trace with only Line In selected. If no noise on
the waterfall I plug into another socket until I finally arrive at Line In.
I found this made quite a difference on my set up when I finally plugged
into the correct place.

Mike Scott
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