It was the bias setting. I knew it had to be something simple!

Thanks, gang, is this list great or what??

Don
K5DW

> -----Original Message-----
> From: George A. Thornton [mailto:gthorn...@thorntonmostullaw.com]
> Sent: Wednesday, March 31, 2010 7:24 PM
> To: Lew Phelps K6LMP; Donald Wines
> Cc: Elecraft
> Subject: RE: [Elecraft] K3: Mike input no longer works.
> 
> If I recall correctly that microphone is an electret.  You have to set
> the bias on the mic setting for it to work.
> 
> Go to Main:Mic Sel setting.  While in that setting hit 2 to turn bias
> on
> or off.  You may also want to play with sensitivity setting  (hi or lo)
> by hitting 1.  See manual p.20.  These settings are available for front
> and rear mikes.
> 
> -----Original Message-----
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lew Phelps K6LMP
> Sent: Wednesday, March 31, 2010 4:37 PM
> To: Donald Wines
> Cc: 'Elecraft'
> Subject: Re: [Elecraft] K3: Mike input no longer works.
> 
> What filter is set? If you have a narrowband filter installed in
> addition to the stock 2.7K filter, and if you have been working
> CW/digital modes with a narrowband filter, and if the settings somehow
> got messed up on the mode-by-mode filter selection, you might be trying
> to transmit SSB through a narrowband filter.  the K3 doesn't like that.
> 
> lew K6LMP
> 
> On Mar 31, 2010, at 3:49 PM, Donald Wines wrote:
> 
> > I haven't been on sideband for several months and this past weekend I
> > decided to try to pick up a country or three during the contest.
> >
> > I switched the K3 over to USB on 15M, put the Heil Proset on, turned
> on VOX
> > and gave a little whistle and nothing happened. Tried PTT with no
> luck
> there
> > either. I didn't have the time to get into the problem too deep at
> the
> time
> > but now I have a little time to devote. I can't really remember the
> last
> > time I used SSB but it used to work.
> >
> > I have tried looking at all the appropriate menu settings and can't
> find
> > where I have set something weird. The mike won't work on either the
> front or
> > rear panel. The Proset mike works on other equipment.
> >
> > Here's what I have:
> >      K3 #123 FW: 3.79 D1: 2.54 D2: 0.00 FL: 1.08
> >      NO SUB RCVR, NO DVR
> >      All current mods done by Aptos as of 8 or 9 months ago.
> >      (don't remember exact date and haven't dug out the paper work)
> >      Heil Proset Headphones/mike purchased from Elecraft
> >      VOX Delay: Doesn't matter where it's set
> >
> > Config settings:
> >      MIC BTN: OFF
> >      TX INH: OFF
> >      PTT KEY: OFF-OFF
> >      TX ALC: ON
> >
> > Main Menu settings:
> >     TX EQ: ALL BASE BAND (BUT OTHER SETTING DON'T SEEM TO MATTER)
> >      VOX GN: TRIED EVERYTHING - NO MATTER
> >      ANTIVOX:  "      "          "   "
> >      MIC SEL: RPL (FRONT PANEL DOESN'T WORK EITHER)
> >      MIC+LIN: OFF
> >
> > I do have a US Interface Navigator sound card interface connected and
> PSK D
> > works ok. I haven't tried all the other digimodes yet. I totally
> > disconnected the Navigator but it made no difference.
> >
> > Have looked at all the obvious things, all plugs in the right holes,
> etc.
> > Rig works great otherwise!
> >
> > It's probably something stupid that I did but does anybody have any
> ideas
> > where else to look before I go to the guys and gals in Aptos?
> >
> > Don
> > K5DW
> >
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