[Elecraft] KPA500 & K3 - 30 meters

[Cady, Fred]

The other thing you can do if you have the KPAK3AUX cable installed is to use the INHIBIT function (if you are not using DIGOUT1 to control a PR6 preamp). In the KPA menu, set INHIBIT to ENABLE, then in the K3 config menu set DIGOUT1 ON when you are on 30 meters.  The problem with this solution is that if you are using DIGOUT1 ON to turn on the PR6 preamp it will inhibit the amp on 6 meters too.
Dave's solution below is the  better way to go.
Cheers,
Fred
KE7X


-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of David Bunte
Sent: Wednesday, October 16, 2013 12:48 AM
To: Jim Bennett
Cc: Elecraft Reflector Reflector
Subject: Re: [Elecraft] KPA500 & K3 - 30 meters

Jim -

I do not yet have a KPA500, but did recently set one up for a friend.
Although the standby/operate function is not remembered on a per band basis, I am not sure why that might be an issue.

If your concern is that you do not want to inadvertently run 500 watts on 30 meters, the per band drive level is the perfect solution.  I set my friend's up so if he is on 40 meters, the drive level of the K3 gives 500 watts out, and when he switched to 30 meters the drive level drops sufficiently that the KPA500 only puts out 200 watts.  Switching to standby on any band puts the K3 back to 100 watts.

If your reason is other than the above, I don't know what you need.

Very 73 de Dave - K9FN

Jim Bennett <w6jhb at mac.com> wrote:


I had a KPA500 a year ago and in a moment of stupidity, sold it. Now considering a replacement. Got a question about it's operation that I can't for the life of me recall from my previous ownership.

Let's say that I want to use the amp on all the HF bands except for 30 meters. Does the KPA500 have a per-band memory for the "operate / standby" function? Scenario: If I put the K3/KPA500 on 30 meters and place the amp in bypass, then drop down to 40 meters and go to "operate" mode, and then later on go back to 30 meters - will the
KPA500 "remember" that I want it in bypass mode, or do I have to do it manually? Looked in the downloadable KPA500 manual, but saw no reference to this.

Thanks in advance, Jim / W6JHB
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