I updated to KAT500 1.63 and latest KPA500 and K3 firmware. I like the way the KAT500 follows the VFO on the K3 but I noticed something odd when the VFO is set near a boundary between two KAT500 stored band slice memories.

When RIT is enabled, the KAT500 follows the frequency set by the RIT offset. That is, I hear the relays click after crossing the memory boundary using RIT and stopping on a new listening frequency. If I press CLR to reset the RIT offset, the relays click again as the KAT500 follows the VFO back to the original frequency and recalls the settings for that band slice.

However, When XIT is enabled, the KAT500 does not follow the frequency set by the XIT offset. That is, I hear no relay clicking after crossing the boundary using XIT and stopping on a new transmit frequency in the adjacent band slice, for which different settings are normally recalled.

Shouldn't it be the other way around, to optimize the match for the 
transmitter, not the receiver?

It's late, maybe I'm missing something.

Bob NW8L


On Tue, 25 Feb 2014, Wayne Burdick wrote:

Date: Tue, 25 Feb 2014 09:31:16 -0800
From: Wayne Burdick <[email protected]>
To: Elecraft Reflector <[email protected]>,
    "[email protected]" <[email protected]>
Subject: [Elecraft] Need volunteers to try an even better version of KAT500
    firmware (rev. 1.63) -- more accurate initial tunes

Hi all,

We just posted a new beta-test release of KAT500 firmware (rev 1.63) that does 
a better job on initial tunes than the previous release (1.58). We'd really 
like to get this firmware into production quickly, but to do that we'll need 
some testing help.

If you can spare a few minutes, please do the following:

1)  Save your current configuration so that you can return to it if necessary

2)  Install KAT500 rev. 1.63 (follow instructions for beta releases)

3)  Erase memories on at least one band where the tuner has to work to find 
solutions (that?s 160 through 40 meters for most of us)

4)  Do some full-search tunes.

The KAT500 should find very good tuning solutions (within its specified 
impedance-matching limits, of course). Please send me your results.

Thanks--

Wayne
N6KR




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