[Elecraft] K3EXREF - What am I doing wrong

[David Pratt]

Yes, you could be missing something, Tighe.
There is an addendum to Page 4 which reads:

After installing the K3EXREF module, you must enable it in the K3 menu
before it can be used if your K3 is equipped with MCU firmware 4.57 or
later.

Enable the K3EXREF module as follows:

* Turn the K3 on. Confirm that TECH mode is on (CONFIG:TECH MD On).
* Turn the VFO B knob to locate the CONFIG:REF CAL menu entry.
* Tap the REV / 2 switch and note that the VFO B display flashes between
XREF IN (K3EXREF module active) and XREF OUT (K3EXREF module disabled).
Tap the REV /2 switch so that XREF IN is displayed.

Ii is important to disable the module in the menu if you remove the
K3EXREF module in the future.

http://www.elecraft.com/manual/E740156E%20K3EXREF%20Errata%20A2-5.pdf

I hope that helps.

73 de David G4DMP

In a recent message, Tighe Kuykendall <tk at nk4i.com> writes
>I picked up the Leo Bodnar frequency reference and a K3EXREF board
>after reading a couple of threads here.  I Installed the board
>according to instructions, took static precautions, am using a known
>good cable from the K3 to said reference.  I can clearly hear the 10MHz
>tone on my K3 when I tune a VFO to 10MHz and the signal goes away if I
>disconnect the coax from the freq reference.  I've checked all of the
>tmp connectors and reseated the K3EXREF board on the K3REF board and
>all pins are properly engaged.  But still no * on the display and the
>REF CAL setting remains unlocked.
>
>Am I missing something, is there something to do to enable the K3EXREF
>other than plug in the freq reference and wait for some magic to
>happen?
>
-- 
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 | David M Pratt, Kippax, Leeds.   |
 | Website: http://www.g4dmp.co.uk |
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