K3 , KPA500, KPA500 interaction.
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As a follow up the recent information passed along on the subject under another thread (* on KPA500) I am looking for some additional clarification. I was under the impression that KPA500 would go into standby automatically when the KAT500 went into a tune mode. Apparently this is not the case unless I have something set wrong. I have found when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go into standby.The KPA500 goes in and out of transmit mode and eventually will go into a "soft fault" if there is an initially high (SWR) while the KAT500 continues to look for a match. The fault due to high reflected power of course is as it should be and must be cleared to proceed. Just curious but is this correct expectation or is there a set up function I missed that automatically places the KPA500 in standby when the As I said I was under the impression that whenever the KAT500 did a tune the KAP500 would go into standby. This is not a major problem as I have set up the KPA500 now to go to standby whenever I change bands as well as initial start-up. I am still curious however if I missed something. Thanks Bill – W0BBI ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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Mine works the same.
Sent from my iPad Chuck, KE9UW (Jack for BMW motorcycles) On Mar 16, 2013, at 8:17 PM, "Bill Wiehe" <[hidden email]> wrote: > > > As a follow up the recent information passed along on the subject under another thread (* on KPA500) I am looking for some additional clarification. I was under the impression that > KPA500 would go into standby automatically when the KAT500 went into a tune mode. > Apparently this is not the case unless I have something set wrong. I have found > when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go into > standby.The KPA500 goes in and out of transmit mode and eventually will go into a "soft fault" if there is an initially high (SWR) while the KAT500 continues to look for a match. The fault due to high reflected power of course is as it should be and must be cleared to proceed. Just curious but is this correct expectation or is there a > set up function I missed that automatically places the KPA500 in standby when the As I said I was under the impression that whenever > the KAT500 did a tune the KAP500 would go into standby. > This is not a major problem as I have set up the KPA500 now > to go to standby whenever I change bands as well as initial start-up. I am still curious however if I missed something. > Thanks > > Bill – W0BBI > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Chuck, KE9UW
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In reply to this post by Bill W
On 3/16/2013 6:17 PM, Bill Wiehe wrote:
> > > As a follow up the recent information passed along on the subject > under another thread (* on KPA500) I am looking for some additional > clarification. I was under the impression that KPA500 would go into > standby automatically when the KAT500 went into a tune mode. No. The big cable from the K3 goes to the KAT500 and then from there to the KPA500. The KAT500 interrupts the PTT line when you are in a tuning cycle [note the "*" does not appear in the KPA500 display] until the tune cycle is finished. If you were in OPER, you still will be, but the ATU tuning takes place at whatever you have the TUN PWR set on your K3. > Apparently this is not the case unless I have something set wrong. I > have found when changing bands if I initiate the K3 “tune cycle” the > KPA500 will not go into standby.The KPA500 goes in and out of > transmit mode and eventually will go into a "soft fault" if there is > an initially high (SWR) while the KAT500 continues to look for a > match. Hmmm ... do you have the K3-->KAT500-->KPA500 cables connected? Mine works exactly as above. 73, Fred K6DGW - Northern California Contest Club - CU in the 2013 Cal QSO Party 5-6 Oct 2013 - www.cqp.org ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Re: K3 , KPA500, KPA500 interaction.
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In reply to this post by Bill W
As others have said, the mechanism the KAT500 uses to inhibit the amplifier is the amplifier key line, sometimes labeled PTT. The KAT500 manual shows cabling diagrams that cause the K3 key line to go thru a relay in the KAT50o to the amp. The amp doesn't change to standby, it is simply not keyed and therefore does not amplify during ATU tuning operations.
73 de Dick, K6KR On Mar 16, 2013, at 6:17 PM, Bill Wiehe <[hidden email]> wrote: > > > As a follow up the recent information passed along on the subject under another thread (* on KPA500) I am looking for some additional clarification. I was under the impression that > KPA500 would go into standby automatically when the KAT500 went into a tune mode. > Apparently this is not the case unless I have something set wrong. I have found > when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go into > standby.The KPA500 goes in and out of transmit mode and eventually will go into a "soft fault" if there is an initially high (SWR) while the KAT500 continues to look for a match. The fault due to high reflected power of course is as it should be and must be cleared to proceed. Just curious but is this correct expectation or is there a > set up function I missed that automatically places the KPA500 in standby when the As I said I was under the impression that whenever > the KAT500 did a tune the KAP500 would go into standby. > This is not a major problem as I have set up the KPA500 now > to go to standby whenever I change bands as well as initial start-up. I am still curious however if I missed something. > Thanks > > Bill – W0BBI > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Re: K3 , KPA500, KPA500 interaction.
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Andy & Ken,
What is your experience here? Irwin On Saturday, March 16, 2013, Dick Dievendorff wrote: > As others have said, the mechanism the KAT500 uses to inhibit the > amplifier is the amplifier key line, sometimes labeled PTT. The KAT500 > manual shows cabling diagrams that cause the K3 key line to go thru a relay > in the KAT50o to the amp. The amp doesn't change to standby, it is simply > not keyed and therefore does not amplify during ATU tuning operations. > > 73 de Dick, K6KR > > On Mar 16, 2013, at 6:17 PM, Bill Wiehe <[hidden email] <javascript:;>> > wrote: > > > > > > > As a follow up the recent information passed along on the subject under > another thread (* on KPA500) I am looking for some additional > clarification. I was under the impression that > > KPA500 would go into standby automatically when the KAT500 went into a > tune mode. > > Apparently this is not the case unless I have something set wrong. I > have found > > when changing bands if I initiate the K3 “tune cycle” the KPA500 will > not go into > > standby.The KPA500 goes in and out of transmit mode and eventually will > go into a "soft fault" if there is an initially high (SWR) while the KAT500 > continues to look for a match. The fault due to high reflected power of > course is as it should be and must be cleared to proceed. Just curious but > is this correct expectation or is there a > > set up function I missed that automatically places the KPA500 in standby > when the As I said I was under the impression that whenever > > the KAT500 did a tune the KAP500 would go into standby. > > This is not a major problem as I have set up the KPA500 now > > to go to standby whenever I change bands as well as initial start-up. I > am still curious however if I missed something. > > Thanks > > > > Bill – W0BBI > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[hidden email] <javascript:;> > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] <javascript:;> > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -- Irwin KD3TB ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
Re: K3 , KPA500, KPA500 interaction.
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In reply to this post by Dick Dievendorff
When the KAT500 is in Auto mode I think the Auto LED flashes when it is
waiting for RF and inhibits the key line. On 3/16/2013 7:01 PM, Dick Dievendorff wrote: > As others have said, the mechanism the KAT500 uses to inhibit the amplifier is the amplifier key line, sometimes labeled PTT. The KAT500 manual shows cabling diagrams that cause the K3 key line to go thru a relay in the KAT50o to the amp. The amp doesn't change to standby, it is simply not keyed and therefore does not amplify during ATU tuning operations. > > 73 de Dick, K6KR > > On Mar 16, 2013, at 6:17 PM, Bill Wiehe <[hidden email]> wrote: > >> >> As a follow up the recent information passed along on the subject under another thread (* on KPA500) I am looking for some additional clarification. I was under the impression that >> KPA500 would go into standby automatically when the KAT500 went into a tune mode. >> Apparently this is not the case unless I have something set wrong. I have found >> when changing bands if I initiate the K3 “tune cycle” the KPA500 will not go into >> standby.The KPA500 goes in and out of transmit mode and eventually will go into a "soft fault" if there is an initially high (SWR) while the KAT500 continues to look for a match. The fault due to high reflected power of course is as it should be and must be cleared to proceed. Just curious but is this correct expectation or is there a >> set up function I missed that automatically places the KPA500 in standby when the As I said I was under the impression that whenever >> the KAT500 did a tune the KAP500 would go into standby. >> This is not a major problem as I have set up the KPA500 now >> to go to standby whenever I change bands as well as initial start-up. I am still curious however if I missed something. >> Thanks >> >> Bill – W0BBI >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[hidden email] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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