K3 Wattmeter Calib

[Ron Chambers]

When you have gone to the config menu to do the wattmeter calibration
(WTMR) in the low power 5watt range, do all of you get a display that
can vary from 30 up to 150, with LP then off to the right? Do you
never get a 0-12 LP indication? And then when you increase to 50w you
get the same 30 to 150 with HP shown to the right?
Ron
N5QQ

K3 #594 is sort of "on the air"
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[Don Brown-4]

Hi

When I first did this calibration I could not get above about 4.7 watts at
the 5 watt calibration. The number indicated on the LCD would not go below
30 and ended up set to 30 even though the power out was still low. The same
with the 50 watt calibration. After downloading the latest firmware (1.78)
This works better. I could bring the power up to 5 watts before I ran out of
range on the adjustment. The 5 watt number is 77 and the 50 watt number is
65 indicated on the LCD.

I am not sure if the transmit gain interacts with this adjustment but to be
safe I would do the transmit gain first then the wattmeter. This could also
be the reason my wattmeter calibration worked because I had done the
transmit gain and then went back a redid the wattmeter. So I am not sure the
firmware upgrade or the calibration order fixed the problem.

Thanks

Don Brown
KD5NDB

--------------------------------------------------
From: "Ron Chambers" <[hidden email]>
Sent: Wednesday, March 26, 2008 8:24 AM
To: <[hidden email]>
Subject: [Elecraft] K3 Wattmeter Calib

> When you have gone to the config menu to do the wattmeter calibration
> (WTMR) in the low power 5watt range, do all of you get a display that
> can vary from 30 up to 150, with LP then off to the right? Do you
> never get a 0-12 LP indication? And then when you increase to 50w you
> get the same 30 to 150 with HP shown to the right?
> Ron
> N5QQ
>
> K3 #594 is sort of "on the air"
> _______________________________________________
> 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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