[1000mp] MkV Rx 'de-sensing'.

[Piotr Gutkiewicz]

Hallo Mike!

I can confirm your observations with my Mark-V serial # 1L...
Two years ago I installed K9AN mod and I made comparison tests listening
with menu 7-7 CW-R set ON and OFF. With CW-R set to ON it happened sometimes
to get received signal attenuated about 15 dB when changing radio settings.
To restore full amplitude I have found the most convinient to push CONTOUR
filters OFF button. When no filter selected, pushing the button once does
not change any setting, only restores audio.
Probably it is DSP software glitch and I suspect there are others. They are
difficult to describe because they appear random and seldom and disappear
with any radio settings change. I have found listening with K9AN mod and
menu 7-7 CW-R set to OFF better for me so no problem with radio 'de-sensing'
for two years.

73! Peter, SP5CFD

----- Original Message ----- 
From: "Mike" <zl1mh at nzart.org.nz>
To: "1000MP Reflector" <1000mp at mailman.qth.net>
Sent: Tuesday, August 24, 2004 20:36
Subject: [1000mp] MkV Rx 'de-sensing'.


> Hello Everyone,
> Some months ago there was much discussion here on this 'problem' - which
has
> affected my MkV from new (serial #0N 190050).
>
> On my MkV the 'de-sensing' could be cleared by a simple touch of the key,
by
> changing bands or by simply switching from the 'front' to the 'back' VFO.
I
> only ever noticed the problem whilst the rig was on CW.
>
> Some 2 weeks ago I went into the menu system - # 7-7 - & changed the CW
(Rx)
> setting to OFF.
>
> Since making this change the problem has not re-surfaced.  I'm not saying
> I've found a cure - am never that optimistic!  But it would be interesting
> to hear if others who have the same problem would care to try switching
off
> 7-7 CW to see if the same applies to their rigs.
>
> 73 de Mike, zl1mh.
>
>
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