Mike, In answer to your question, you can tell whether there is modulation or not by using the K3's Monitor function (the MON level must of course be above zero for this to work).
As for the answer to the question you didn't ask, one possible explanation for the lack of modulation is that your input level is set to zero. If you are using DATA A mode and your sound card's output is connected to the LINE IN jack, you can adjust the LINE level using the MIC gain control. (If rotating this control adjusts the MIC level in DATA A mode, you can correct this by setting MAIN:MIC SEL = LINE while the radio is in DATA A mode. This will not affect the MIC SEL setting in voice modes.) A level setting somewhere around LINE 10 should get some modulation into the radio. The way to set the correct levels for this control, together with the sound card output level controls, is to set the K3's meter to read ALC and adjust the levels until you get 4-5 bars of ALC reading while transmitting. In PSK31, for the cleanest signal you should set the PWR control to 50 watts or less (5 watts or less on a K3/10). 73, Rich VE3KI AI4NS wrote: > I am trying to set up my computer, etc to use HRD, DM780, and my K3. > > I can tune around and receive and decode psk and rtty just fine with > DM780, but when I go to send, it goes in to transmit but has no power > out. > > My first guess is there is no modulation, but how can I verify? ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
