Mike, I thought I'd re-do my calibration. It took a LOT of turns to get from 4 watts to 5 watts on the Bird. I don't have a CONFIG:WTMR HP, only LP. I do have the 100W PA.
73, Mike NF4L On Nov 10, 2012, at 8:09 AM, Mike Harris <[email protected]> wrote: > The procedure in the handbook is incomplete and misleading. This has > been mentioned before. > > First set CONFIG: TUN PWR to nor with the VFO A knob. > Next follow the procedure. > > When you get to "Hold TUNE" etc you will notice that the display changes > from the CONFIG:WMTR display to what looks like the normal TUNE display > and you lose the parameter reading. At this point you can still turn > the VFO A knob and the output power will change and you can match it to > your external LP-100. When you exit TUNE you will note that the > parameter value has probably changed. > > Regards, > > Mike VP8NO > > > On 09/11/2012 21:09, Randy Farmer wrote: >> During SS I noticed that my K3 transmitter seemed to be in need of >> calibration, as the output power measured by my LP-100A (which I trust) >> seemed to be a bit higher than expected from the radio's setting and I >> was also observing some power "creep". >> >> This afternoon I finally got an opportunity to look into this and indeed >> the transmit output is slightly high. 5W setting produces about 5.7W and >> 50W setting produces around 60-62 watts. I used the K3 utility to do a >> TX gain calibration and this seemed to only level the power on a band to >> band basis. 50W requested now gets me about 62W on every band. >> >> It looks as if the calibration is (understandably) using the internal >> wattmeter to set the power. Therefore, I concluded that I needed to do >> the wattmeter calibration first to see if that corrected the power set >> error. Unfortunately, the procedure in the manual doesn't seem to work. >> Firstly, it says something about calibrating in Tune mode. I tried doing >> the cal with both the front panel Power set to 5W and 50W and with the >> Tune power set to these values. The procedure tells me to hold the Tune >> button in the adjust menu and appears to say I should be able to adjust >> the output power with the VFO A knob. This doesn't work. As soon as the >> Tune button is held the rig drops out of Menu display and I just get the >> normal Tune mode behavior. >> >> Am I reading the instructions wrong? They seem pretty ambiguous to me, >> and no variant of what I think they could say seems to work. Has anyone >> successfully done a TX Cal in the field? If so, how did you proceed? >> >> 73... >> Randy, W8FN > ______________________________________________________________ > 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
