[Elecraft] KAT500 and K3 Powering sequence

[hawley, charles j jr]

I connected my KAT to the 13vdc supply so when it goes on, the KAT goes on...then when I power up the strip by turning on the K3, it's ready.

Chuck, KE9UW
AARL, CCA
Lionel Trains TCA, LCCA, LRRC
aka Jack, BMW Motorcycles BMWRA, BMWMOA #224
________________________________________
From: elecraft-bounces at mailman.qth.net [elecraft-bounces at mailman.qth.net] on behalf of Cady, Fred [fcady at ece.montana.edu]
Sent: Wednesday, March 06, 2013 6:41 PM
To: mark roz; Elecraft
Subject: Re: [Elecraft] KAT500 and K3 Powering sequence

Turning the KAT and the K3 simultaneously seems to work too. I have one of those rig runners that power up when you turn a rig on. I have it so it powers up when I turn the K3 on and it powers up the Kat at the same time. Seems to be OK but it probably depends on how fast the K3 is booting up.
Cheers and 73,
Fred EX.


-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of mark roz
Sent: Wednesday, March 06, 2013 1:37 PM
To: Elecraft
Subject: Re: [Elecraft] KAT500 and K3 Powering sequence

George,
Thanks for your suggestion. That will work. For some reason I was under impression that I would have to TURN ON the KAT500 first. My KAT500 will be also connected to 12V buss.
My interpretation of "applying power" was wrong. I  just received  my KAT500 KIT.
Thanks again :)
Mark WQ7X

"Mark,
My understanding from the manual is that the KAT500 must be on when the K3 is turned on for the Aux connection to work properly.
In my shack this is accomplished by connecting the KAT500 directly to the 12 volt buss; that way it is already on when I turn the K3 on. This works well for me.
Probable doesn't matters if you elect to not use the Aux cable connection.
George
AI4VZ"



________________________________
From: mark roz <anegadasail at yahoo.com>
To: Elecraft <elecraft at mailman.qth.net>
Sent: Wednesday, March 6, 2013 2:20 PM
Subject: KAT500 and K3 Powering sequence


On Monday I have contacted support at Elecraft but no answer.
So, does anybody know if KAT500 MUST be turned ON FIRST and than K3 - otherwise K3 will not initialize correctly
(with DB15 cable connected as it should). Is this still the case? I don't like it as I have other antennas that will not be
connected to KTA500. I will not always need KTA500 to be on line. This just doesn't make sense.
KAT500 will be connected to pos. 1 of the antenna switch.
Could  firmware be changed in order to correct that?
Thanks, Mark
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