On Wed, 14 Oct 2009 11:45:41 -0700 (PDT), Richard Squire
<hb9...@bluewin.ch> wrote:

>
>On two occasions, I had that issue with the audio blast. Only on 160m so far.
>
>After changing bands, I held TUNE to check the SWR, it was OK except I heard
>TWO short, high-tone beeps when pressing the button, although SW TONE is
>permanently OFF.
>Tried again, the two beeps came again and this time, after pressing TONE
>again to switch back to RX, I heard a short, but deafening, scratching audio
>blast.
>Third trial: two beeps again but no blast.
>
>After power cycling the K3, all was back to normal. Only one, lower-tone
>beep as usual holding XMIT/TUNE.
>
>This happened twice after switching from another band to 160m.
>Never happened in the last 18 months up to and including Beta 3.30.
>
>K3 Serial # 586
>ATU installed but always bypassed when in the shack
>Sub receiver installed but OFF on 160m
>KDVR installed
>2.7 MHz and 400 Hz filters
>
>73 Richard – HB9ANM

Richard,

In Firmware version 3.41 the added functionality below was added to
help Elecraft diagnose Audio Blasts.

If your K3 does not display "FFFF" you should send the reading to
Elecraft's technical staff supp...@elecraft.com.

>From the feature list of the Version 3.41 Firmware...

* DSP INTERNAL STATUS MONITORING: In the TECH MD menu entry,
tapping 1 (main) or 2 (sub) displays DSP status information. If it is
"FFFF", 
no error has been detected. Tapping CLR resets the data to "FFFF".

73,

Tom, N5GE

n...@n5ge.com
K3 #806, K3 #1055, PR6,
XV144, XV432, KRC2,
W1 and other small kits.

2 W2's on order
1 K144XV on order

http://www.n5ge.com
http://www.swotrc.net

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