Hi, Sorry, I forgot my signature. It's Tom va2fsq. I've tried this out quite a bit with Win4K3Suite, and in fixed mode changing bands always results in the correct behavior. The left frequency in the P3 display is always where it was left the last time you were on that band. Win4K3Suite issues the BN command when it switches bands. It's possible that other packages where you see this behavior do not. For example, N1MM, DXLab, actually sends the last frequency that was on the previous band. It does not issue a BN command. Other packages might do similar things. However, is this intermittent? Or does it always occur. Which application? Is it possible that you QSY'd outside the span at some point? The left frequency will then be different. So unless this is intermittent, or caused by the application, it would seem that the P3 is operating correctly. 73 Tom Va2fsq.com
-----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of Fred Jensen Sent: July 21, 2019 8:04 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] P3 center frequency Not sure who I'm talking to here, no signature, no call. It's a little hard to explain but ... Assume you set SPAN=100 KHz and put the left edge at the bottom of each band. Changing bands back and forth using the BAND ^/v switch will preserve these settings, and every time you come back to a previous band, they will appear ... so long as you don't touch any of the P3 controls. However, using CAT commands [e.g. from a logger], you can change to a new band and the settings will hold, however returning to the previous band, the SPAN will still be 100 KHz but the center frequency will have moved and the left edge will no longer be at the bottom of the band. Admittedly, it's a bit hard to duplicate but the circumstances that cause it are common in contesting and it has been duplicated by several folk, including me. The issue has been raised here on the list more than once. I think it first came up several years ago, which could be 1 or 6, even Apollo 11 seems like yesterday to me these days. [:-) It has some of the earmarks of an intentional attempt to "do something good" in the firmware which turned out to be not so good, but I really don't know. For whatever the reason, I expect it to come back to the settings it had when I left that band. As Randy said, it is really annoying. I, and I think most, use the P3 visually instead of looking at the K3. If I set the left edge at the bottom of the band and the SPAN at 100 KHz, I automatically visualize the 1st 100 KHz directly from the screen. If it's changed as a result of band changes, my mental picture of that band segment is wrong. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 7/21/2019 4:20 PM, Tom wrote: > Hi, > What exactly do you mean? > It is always set to whatever you send. If you explain this a little more > perhaps I can help. > 73 > > > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On > Behalf Of Randy Farmer > Sent: July 21, 2019 2:44 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] P3 center frequency > > It's been brought up several times in the last two or three years. No > response from the P3 software guys. It's EXTREMELY annoying that the P3 won't > respect the center frequency setting if the radio is tuned via any CAT > command. I've given up on hoping it will ever be fixed. My guess is that it's > all hands and the cooks working on K4 software these days. > > 73... > Randy, W8FN > > On 7/21/2019 12:45 PM, Fred Jensen wrote: >> Jim: In general, yes, if you change bands with BAND ^/v. When you >> change bands via the CAT, the P3 center freq won't always end up where >> you last had it. I believe SPAN width is preserved but the span >> limits show up strange. It's a known issue, has been discussed at >> some length here a few months ago. >> >> 73, >> Fred ["Skip"] K6DGW >> Sparks NV DM09dn >> Washoe County >> >> On 7/21/2019 10:31 AM, Jim N7US wrote: >>> Should the P3 center frequency and span be remembered when changing >>> bands? >>> Rephrasing, can they be remembered when changing bands? >>> >>> Jim N7US > ______________________________________________________________ > 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 Message > delivered to elecraft.l...@videotron.ca > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ______________________________________________________________ > 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 > Message delivered to k6...@foothill.net > ______________________________________________________________ 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 Message delivered to elecraft.l...@videotron.ca ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
