Jack The K2/100 RF output is connected to the KPA500 input. The KPA500 output to the antenna. I have the K2/100 RS232 cable made up to connect to a computer. I made it up per the KPA100 manual. I have not connected it to the KPA500.
Ariel NY4G Sent from my iPad > On Jan 10, 2014, at 9:01 PM, "Jack Brindle" <[email protected]> wrote: > > That is very old firmware. You should go to the Elecraft web site, download > the upgrade file (currently V1.33) and upgrade it ASAP. > > Fred’s question was more asking if the KPA changed bands to the one the K2 > was on when you send RF from the K2. If not, make sure you don’t have the RF > connections reversed on the KPA. > > The KPA will work with the K2 - that was tested during development. > > Jack Brindle, W6FB > >> On Jan 10, 2014, at 5:54 PM, Ariel Jacala <[email protected]> wrote: >> >> The KPA500 does not see the K2 Band. I do not have an RS232 connection just >> the coaxial cables. Tapping the key does not do take the KPA out of >> transmit even though no longer putting out amplification. >> >> I ran through the menus >> >> KPA500 >> Firmware is 1.11 >> SN 825 >> Radio set to Serial (instead of K3) >> Everything else is default >> >> K2 >> t-r to hold (per the KPA manual) >> QSK delay 0.03 >> >> Per Lyle's comment - removing the key line enables receive while in operate. >> >> Ariel NY4G >> Sent from my iPad >> >>> On Jan 10, 2014, at 8:24 PM, "Cady, Fred" <[email protected]> wrote: >>> >>> Hello Ariel, >>> Does the KPA500 show the same band that the K2 is on? If not, try tapping >>> your key to send a little RF to the amp when in operate mode so it can >>> measure the frequency and switch in the correct band pass filters. >>> Cheers, >>> Fred KE7X >>> "The Elecraft K3: Design, Configuration, and Operation, 2nd Ed" >>> "The Elecraft KX3 -- Going for the Summit" >>> Coming soon: "The Elecraft KPA500 and KAT500" >>> >>> -----Original Message----- >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of Ariel Jacala >>> Sent: Friday, January 10, 2014 5:24 PM >>> To: elecraft reflector >>> Subject: [Elecraft] Connecting a K2 to a KPA500 >>> >>> Hi to the Elecraft Reflector >>> >>> I just acquired a KPA500 and connected it to a K2. I have the output of >>> the K2 connected to the input of the KPA500. Things checked out through a >>> dummy load in terms of loading the amplifier. The KPA500 is then connected >>> to a resonant antenna. When on standby, I can hear signals through the >>> antenna. When I press operate - I can no longer hear the signals. >>> >>> When I press the tune button on standby, the KPA500 does not measure SWR. >>> Is this normal? The KPA500 was previously operated with a K3 with the K3 >>> cable to the KPA500. I can key the KPA500 with the K2 and it produces >>> expected power with the recommended drive levels. I am worried about not >>> hearing signals when in operate mode. >>> >>> Do I need to update the firmware? Why can't I hear signals from the >>> antenna with the KPA500 in "operate"? >>> >>> Any help is appreciated. >>> >>> Thanks >>> >>> Ariel NY4G >>> >>> Sent from my iPad >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[email protected] >>> >>> 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:[email protected] >> >> 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:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
