K3 - S Meter funny

[Mike Scott-7]

>Situation...

>ATT = ON with PRE = ON gives a S 2-3 reading.

>Leaving  ATT = ON  and switching PRE=OFF,  the audio noise level  
goes down, however the S meter now gives a S 4-5 reading !

>With SMTR MD =nor, everything is as it should be.

>Anyone else see this ?

Nope, S3 with any combination of ATT or PRE when in Abs mode

I have however gone through an S-Meter calibration using the XGC2 signal
source and perhaps that made a difference.


Mike Scott - AE6WA
Tarzana, CA (DM04 / near LA)
K3-100 #508/ KX1  #1311


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[Tom McCulloch]

Hi,
 I just ordered and received the W1 Wattmeter and the W1SERKT interface
cable which I'll be using primarily wiyh my K2.

Anything I should know before I begin?  Any insights, or experiences you
might provide would be appreciated.

Thanks in advance.
Tom
WB2QDG
K2 #1103

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[Craig Smith]

Hi Tom ...

One change I made to my W1 that helps a lot from a usability point-of-view
is to replace some of the red LEDs in the SWR indicator with different
colors.  This is because the W1 is small and has even smaller lettering on
the SWR scale.  In my installation, and probably most others, it will be
located 2 to 5 feet away from the operator and the SWR value will be
difficult to read without getting right up close to the W1.

Here's what I did:  I used green LEDs in the 1.1, 1.2 and 1.3 positions.
Yellow LEDs in the 1.5 and 1.7 positions.  An amber LED in the 2.0 position
and left the red LEDs in the higher SWR positions.  This way you can tell at
a glance (and at a distance) the relative goodness of your SWR situation.

Suitable replacement LEDs are readily and inexpensively available from
Mouser, etc.  Here are the Mouser PNs:
Green 696-SSL-LX2573PGD
Yellow 696-SSL-LX2573YD
Amber 696-SSL-LX2573AD

      73
               ... Craig  AC0DS




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[Bill Johnson-9]

Fabulous idea...thank you.  I will get the Hakko fired up to desolder and
replace.


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods
-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Craig D. Smith
Sent: Sunday, November 09, 2008 9:21 AM
To: 'Tom McCulloch'; [hidden email]
Subject: RE: [Elecraft] W1 Watt Meter

Hi Tom ...

One change I made to my W1 that helps a lot from a usability point-of-view
is to replace some of the red LEDs in the SWR indicator with different
colors.  This is because the W1 is small and has even smaller lettering on
the SWR scale.  In my installation, and probably most others, it will be
located 2 to 5 feet away from the operator and the SWR value will be
difficult to read without getting right up close to the W1.

Here's what I did:  I used green LEDs in the 1.1, 1.2 and 1.3 positions.
Yellow LEDs in the 1.5 and 1.7 positions.  An amber LED in the 2.0 position
and left the red LEDs in the higher SWR positions.  This way you can tell at
a glance (and at a distance) the relative goodness of your SWR situation.

Suitable replacement LEDs are readily and inexpensively available from
Mouser, etc.  Here are the Mouser PNs:
Green 696-SSL-LX2573PGD x's 3
Yellow 696-SSL-LX2573YD x's 2
Amber 696-SSL-LX2573AD x's 1

      73
               ... Craig  AC0DS



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[Bill Johnson-9]

I made the mod, and it is a nice touch except for one minor problem for me,
the LED's are not as bright as the originals.


73,

Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods

-----Original Message-----
Hi Tom ...

One change I made to my W1 that helps a lot from a usability point-of-view
is to replace some of the red LEDs in the SWR indicator with different
colors.  This is because the W1 is small and has even smaller lettering on
the SWR scale.  In my installation, and probably most others, it will be
located 2 to 5 feet away from the operator and the SWR value will be
difficult to read without getting right up close to the W1.

Here's what I did:  I used green LEDs in the 1.1, 1.2 and 1.3 positions.
Yellow LEDs in the 1.5 and 1.7 positions.  An amber LED in the 2.0 position
and left the red LEDs in the higher SWR positions.  This way you can tell at
a glance (and at a distance) the relative goodness of your SWR situation.

Suitable replacement LEDs are readily and inexpensively available from
Mouser, etc.  Here are the Mouser PNs:
Green 696-SSL-LX2573PGD
Yellow 696-SSL-LX2573YD
Amber 696-SSL-LX2573AD

      73
               ... Craig  AC0DS


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[w7aqk]

Maybe you could consult with "Cy, The LED Guy", about identifying some
better ones.  I think the mod has merit, but I wouldn't know what exactly
should be substituted.  Cy shows up at most of the QRP gatherings around the
country (he comes all the way from Maine), even Pacificon!  I suspect he
would have some good suggestions, and of course, he could probably sell you
what you need.

Dave W7AQK

----- Original Message -----
From: "Bill Johnson" <[hidden email]>
To: <[hidden email]>; "'Tom McCulloch'" <[hidden email]>;
<[hidden email]>
Sent: Thursday, November 13, 2008 8:06 PM
Subject: RE: [Elecraft] W1 Watt Meter

>I made the mod, and it is a nice touch except for one minor problem for me,
> the LED's are not as bright as the originals.
>
>
> 73,
>
> Bill
> K9YEQ
> K2 #35; KX1 #35; K3 #1744; mini mods
>
> -----Original Message-----
> Hi Tom ...
>
> One change I made to my W1 that helps a lot from a usability point-of-view
> is to replace some of the red LEDs in the SWR indicator with different
> colors.  This is because the W1 is small and has even smaller lettering on
> the SWR scale.  In my installation, and probably most others, it will be
> located 2 to 5 feet away from the operator and the SWR value will be
> difficult to read without getting right up close to the W1.
>
> Here's what I did:  I used green LEDs in the 1.1, 1.2 and 1.3 positions.
> Yellow LEDs in the 1.5 and 1.7 positions.  An amber LED in the 2.0
> position
> and left the red LEDs in the higher SWR positions.  This way you can tell
> at
> a glance (and at a distance) the relative goodness of your SWR situation.
>
> Suitable replacement LEDs are readily and inexpensively available from
> Mouser, etc.  Here are the Mouser PNs:
> Green 696-SSL-LX2573PGD
> Yellow 696-SSL-LX2573YD
> Amber 696-SSL-LX2573AD
>
>      73
>               ... Craig  AC0DS
>
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>

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