k-2 atu

[JAMES DAVIDSON]

just got a used k2 with the atu in it !! sure is a promlem for me   i set my
power at 5 watts. even into the dummy load it shows 9.9 for some odd reason . my
other rigs have internal atus and work fine   have you heard of any one else
having  this prob.?.  jim kc0dd thanks

 

little radios big radios

1000s $ of radios all set at QRP

am i doing this rite hi! kc0dd

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[Andrew Moore-3]

KC0DD> just got a used k2 with the atu in it !! sure is a promlem for me   i
set my
power at 5 watts. even into the dummy load it shows 9.9 for some odd reason
. my
other rigs have internal atus and work fine

Maybe you have the wrong antenna selected (ant1 vs ant2) - check the "ANT
1/2" button and make sure it it corresponds to the right antenna
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[Don Wilhelm-4]

  I assume this is a K2/10 with the KAT2.
It is unusual for the diodes in the KAT2 wattmeter to be damaged by a
static surge, but it can happen.  I would first check D1 and D2 in the
KAT2.  If they check good with an ohmmeter (normal diode check), then
the wattmeter in the KAT2 just needs to be balanced and properly
calibrated.  You will need an external wattmeter to do the calibration.

The K2 uses the wattmeter output to control the power output, so if the
wattmeter is not correct, the K2 microprocessor will not have the
correct information and thus will control the power at the wrong level.

73,
Don W3FPR

On 4/14/2011 10:30 AM, JAMES DAVIDSON wrote:

> just got a used k2 with the atu in it !! sure is a promlem for me   i set my
> power at 5 watts. even into the dummy load it shows 9.9 for some odd reason . my
> other rigs have internal atus and work fine   have you heard of any one else
> having  this prob.?.  jim kc0dd thanks
>
>  
>
> little radios big radios
>
> 1000s $ of radios all set at QRP
>
> am i doing this rite hi! kc0dd
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

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