[ICOM] 746 PRO CW FILTERS

[GGLL]

	I use a similar method: take note of band noise S-meter reading. Step 
the Rx attenuator to kill that reading (as low as possible, this depend 
of how is your attenuator implemented).
	Then with RF Gain control I set the S-meter needle to the previously 
noted noise value. This way clears so much incoming signals.

Although I'm presently using a Kenwood TS-940S, in many Icom rigs I had, 
by turning off the preamplifier is like if you insert an attenuator 
(example: IC-720A).

Regards
Guillermo - LU5WE.

El 17/03/2012 15:24, Jerry Cokewell escribió:
> I have over the years been doing CW to get best results by adjusting
> my RF down to as low as possible and using my widest filter.  ( not
> really do well,  but doing it )
>
> Just in the past few days I made contact with a ham and we discussed
> this very thing ( surprise I was doing it wrong !
>
> What I had was both Pre Amps ON, then I was adjusting down the RF
> button down
>
> I turned off the Pre Amps and now even sometimes, I turn  on the ATT
> ( Attunator )  Now using the RF button and sometimes turning my
> medium or narrow filter, I can now get a very noisy CW signal to
> sound perfect.
>
> Bottom line,  turn off the Pre Amps, maybe turn on the Attenuator,
> then turn the filters on wide to narrow. Do not forget the pass band
> filters and the noise blanker.
>
> Who says old hams can not learn new things I did.
>
> AB8VV Jerry Cokewell cuer at gtlakes.com ---- Your Moderator: Dick
> Flanagan K7VC: icom-owner at mailman.qth.net Icom Users Net: Sundays,
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>