[Elecraft] KAT100 can't remember 160 meter settings

[k4wtf@ENTERZONE.NET]

Wayne,

I just recreated the problem on my K2 + KAT100.  I tuned for 1:1 using the
KAT100 at 1.801Mhz.  Dialed up the band a bit, waited a minute or so,
dialed back down to 1.801, TX for a sec, waited 1 minute (timed), TX to
verify tuner is still at proper settings, changed to 75m, wait a minute,
back to 160M, TX to verify still tuner properly, power cycle, poof - 2:1
swr now.

Note: If there have been changed since the FT proms, I haven't received
them.  Nor have I received the "final" manual or the anti-skid brackets.

73 de John - K4WTF (formerly KC4KGU)


On Sun, 8 Dec 2002, Wayne Burdick wrote:

> Hi Rich,
> 
> You wrote:
>  
> > In working the 160 meter contest this weekend with a K2/100 and KAT100 combination, 
> > I find that my 160 meter antenna settings in the KAT100 are lost on power cycling the K2. 
> > The other bands seem to be fine.  Is anyone else seeing this?  Did I forget to set something?
> 
> When you switch antennas (using ANT1/2), the antenna selection is not recorded
> in EEPROM until you have changed bands at least once, or until the 30-second
> backup timer expires. (The backup timer is triggered whenever you move the VFO,
> and expires after you have *stopped* moving it for 30 seconds or so.) This
> behavior should be the same on all bands--there's nothing special about 160 meters.
> 
> In a future firmware revision we'll record ANT1/2 changes immediately.
> 
> 
> > Also, every so often after auto-tuning, I get down to a 1:1 match, 
> > but afterwards on transmit I get no power output indicated from the 
> > K2/100 until I cycle through some other K2 controls.  
> > I don't have any indications that there is RF in the shack.  Any ideas?
> 
> Does this happen when using a dummy load, or just when tuning into the antenna?
> 
> Wayne
> N6KR
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