re: K3 - How to get more headphone output

[ni0c]

In the recent discussions of this subject, I don't recall any mention

of Rx EQ settings, or FLx gain settings as ways of obtaining

more output.  For CW operation, I'm using +10 dB gain in the

200 Hz and 400 Hz Rx EQ bands (my CW pitch settings

are always set between 300 and 400 Hz).  I get plenty of

headphone volume in my cheap Radio Shack stereo headset

(especially if I remember to keep the earpiece

volume controls turned up!)

 

73,

Chuck  NI0C

 

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[KK7P]

> In the recent discussions of this subject, I don't recall any mention
> of Rx EQ settings, or FLx gain settings as ways of obtaining
> more output...

I don't recommend that you do this, although of course yo can.  When you
go to 100 Hz or 50 Hz width, the RxEQ is no longer in effect so you'll
lose this "boost".

I'd suggest more sensitive headphones if setting AF Gain to HI doesn't
give yu the boost you need.

73,

Lyle KK7P
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[Vic K2VCO]

ni0c wrote:
> In the recent discussions of this subject, I don't recall any mention
> of Rx EQ settings, or FLx gain settings as ways of obtaining
> more output.  For CW operation, I'm using +10 dB gain in the
> 200 Hz and 400 Hz Rx EQ bands (my CW pitch settings
> are always set between 300 and 400 Hz).  I get plenty of
> headphone volume in my cheap Radio Shack stereo headset
> (especially if I remember to keep the earpiece
> volume controls turned up!)

You really shouldn't need to increase the filter gains over what is
necessary to equalize the filters. For example, I have my 2.8 and 1 kHz
filters set to 0 db, and the 400 Hz one to +4 dB. I verified that this
was correct by using a steady signal source (an Elecraft XG-1), turning
the AGC off and using the dBv function to compare the gains.

If you need more headphone volume, first make sure that you have set the
AF Gain in the CONFIG menu to HIGH. If that doesn't work, something's wrong.

--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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