[Elecraft] K3/100 - SN 7071 - No output on SSB

Bill Coleman aa4lr at arrl.net
Mon Dec 31 15:06:12 EST 2012


On Dec 31, 2012, at 2:54 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:

> Bill,
> 
> You said you can adjust the ALC and CMP levels, but you did not tell us the level you adjusted them to.
> 
> The proper way to adjust is to set the compression at zero to start, then increase the mic gain until you see 5 to 7 bars on the ALC meter (do that in TX TEST so you don't bother fellow hams).  Then adjust the compression to the level you desire.

Yes, that's exactly what I did. Using the Heil Pro-Set with the HC4 element, and the mic gain in the "H" range, I end up with a mic gain setting of about 9 or 10, and a CMP gain setting of 25 to get around 10 dB of compression.

> If you can't get the 5 to 7 bars (7 bars on peaks) then you do not have enough mic gain.  If it is a Heil dynamic mic, you may have to set the mic gain range to "H" in the menu.

No problem getting bars on the meter.


Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
           -- Wilbur Wright, 1901



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