K3 Fan Installation
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Unfortunately S/N 906 did not include the 8 each 4-40 7/8" flat head black
screws or acorn nuts. These things are like hen's teeth in Metric Germany so I have my second request in to Elecraft support (the first time I got 8 each short screws and stand offs instead of...). Vy 73, Bob DJ0MBC/WU5T _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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Basic Parameters:
K3/100 with KRX3 - MCU 2.38, FPF 00.02, DSP1 1.90, DSP2 1.90 Main Board: FL2 = 2.8; FL3 = 2.1; FL4 = 400 Hz Sub RX Board: FL2 = 2.8; FL4 = 400 Hz AM Rx Enabled for FL2 Main and FL2 Sub AM Tx not Enabled I do NOT have a 6.00 AM Filter but am listening to AM through my 2.8 roofing filter - which sounds pretty good! Action: Set Mode to AM. Displayed Mode changes to AM and displayed XFIL changes to FL2 (which would be expected as I have a 2.8 in FL2 and it is enabled for AM receive) with "High" showing 3.00 and "Low" showing 0.00. BW shows 6.00. FC shows 1.50. Surprise Action - Possible "Bug" Now Tap "XFIL" button. Displayed XFIL stays on FL2 - but - bandwidth gets very narrow. "High" now shows 2.20 and "Low" shows 0.80. FC still shows 1.50 and BW now shows 2.8. But, the graphic display of bandwidth narrows to what would be shown if I had BW set to 400 Hz and the recovered AM audio sounds like it! The BW showing 400 Hz is as it should be since 2.20 - 0.80 is 400 Hz. Press and release "NORM" and I am back to where I started with Rx as it should. Even if I "Normalize" I and II so all is well and then do the "tap" the "narrowing" scenario repeats! What I've Tried: I've downloaded and sent "All Firmware to K3" twice with the same result. I've used the K3 Utility Version 1.1.6.3 to verify the filter settings that I made in the Config Menu. I've used the K3 Utility to set the filters and verified them in the Config Menu. I don't know if this action occurred in previous versions as I've stayed up with all Beta releases but frankly never tapped the XFIL button before while listening to AM. Questions: Can anyone duplicate this seemingly strange action when in AM mode and tapping the "XFIL" button? If it can't be duplicated, any idea(s) what I've got set incorrectly? Is this simply a consequence of not having the 6 kHz AM filter and listening to AM with the 2.8? Thanks in advance. '73 es gud dxing -- Don N4HH K3/100/KRX3 #83 _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
Re: K3 MCU 2.38 Software Bug?
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Same thing here, Don, even though I have a slightly different filter
setup. When selecting Mode AM and then tapping XFIL, the width drops down to narrow (Low 0.80; High 2.20) indicating the 2.8k filter. Tapping XFIL again takes me back to the main AM Filter (FL 1, 6K, in my case) and bandwidth returns to normal. There is definitely an anomaly there. 73, Ken K3IU K3 #202 Don Nesbitt wrote: > Basic Parameters: > > K3/100 with KRX3 - MCU 2.38, FPF 00.02, DSP1 1.90, DSP2 1.90 > > Main Board: FL2 = 2.8; FL3 = 2.1; FL4 = 400 Hz > Sub RX Board: FL2 = 2.8; FL4 = 400 Hz > > AM Rx Enabled for FL2 Main and FL2 Sub > AM Tx not Enabled > > I do NOT have a 6.00 AM Filter but am listening to AM through my 2.8 roofing > filter - which sounds pretty good! > > Action: Set Mode to AM. Displayed Mode changes to AM and displayed XFIL > changes to FL2 (which would be expected as I have a 2.8 in FL2 and it is > enabled for AM receive) with "High" showing 3.00 and "Low" showing 0.00. BW > shows 6.00. FC shows 1.50. > > Surprise Action - Possible "Bug" > > Now Tap "XFIL" button. Displayed XFIL stays on FL2 - but - bandwidth gets > very narrow. "High" now shows 2.20 and "Low" shows 0.80. FC still shows > 1.50 and BW now shows 2.8. But, the graphic display of bandwidth narrows to > what would be shown if I had BW set to 400 Hz and the recovered AM audio > sounds like it! The BW showing 400 Hz is as it should be since 2.20 - 0.80 > is 400 Hz. > > Press and release "NORM" and I am back to where I started with Rx as it > should. Even if I "Normalize" I and II so all is well and then do the "tap" > the "narrowing" scenario repeats! > > What I've Tried: > > I've downloaded and sent "All Firmware to K3" twice with the same result. > > I've used the K3 Utility Version 1.1.6.3 to verify the filter settings that > I made in the Config Menu. > > I've used the K3 Utility to set the filters and verified them in the Config > Menu. > > I don't know if this action occurred in previous versions as I've stayed up > with all Beta releases but frankly never tapped the XFIL button before while > listening to AM. > > Questions: > > Can anyone duplicate this seemingly strange action when in AM mode and > tapping the "XFIL" button? > > If it can't be duplicated, any idea(s) what I've got set incorrectly? > > Is this simply a consequence of not having the 6 kHz AM filter and listening > to AM with the 2.8? > > Thanks in advance. '73 es gud dxing -- Don N4HH K3/100/KRX3 #83 > > > > > > _______________________________________________ > Elecraft mailing list > Post to: [hidden email] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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In reply to this post by Don Nesbitt
Don,
I have found the same problem. I have the 6K, 2K8, 500, 400 and 250 Hz at the moment. All three narrow filters show LO 0.85 and HI 2.15 in AM mode. The BW shown during switching from HI to BW is 2.70 and not 500, 400 and 250 Hz as one would expect. I am wondering why the center frequency *1.50 always remains constant for all filters in SSB. When lowering the bandwidth to 1 KHz, signals can be heard best at a lower shift of about 0.65 KHz. With my K2 I used the CW audio filter at 550 Hz sometimes to copy SSB stations with adjacent strong signals. 73 's Steef PA2A K2 4654 K3 1184 ----- Original Message ----- From: "Don Nesbitt" <[hidden email]> To: <[hidden email]>; <[hidden email]> Sent: Thursday, September 18, 2008 7:06 PM Subject: [Elecraft] K3 MCU 2.38 Software Bug? > Basic Parameters: > > K3/100 with KRX3 - MCU 2.38, FPF 00.02, DSP1 1.90, DSP2 1.90 > > Main Board: FL2 = 2.8; FL3 = 2.1; FL4 = 400 Hz > Sub RX Board: FL2 = 2.8; FL4 = 400 Hz > > AM Rx Enabled for FL2 Main and FL2 Sub > AM Tx not Enabled > > I do NOT have a 6.00 AM Filter but am listening to AM through my 2.8 > roofing > filter - which sounds pretty good! > > Action: Set Mode to AM. Displayed Mode changes to AM and displayed XFIL > changes to FL2 (which would be expected as I have a 2.8 in FL2 and it is > enabled for AM receive) with "High" showing 3.00 and "Low" showing 0.00. > BW > shows 6.00. FC shows 1.50. > > Surprise Action - Possible "Bug" > > Now Tap "XFIL" button. Displayed XFIL stays on FL2 - but - bandwidth gets > very narrow. "High" now shows 2.20 and "Low" shows 0.80. FC still shows > 1.50 and BW now shows 2.8. But, the graphic display of bandwidth narrows > to > what would be shown if I had BW set to 400 Hz and the recovered AM audio > sounds like it! The BW showing 400 Hz is as it should be since 2.20 - > 0.80 > is 400 Hz. > > Press and release "NORM" and I am back to where I started with Rx as it > should. Even if I "Normalize" I and II so all is well and then do the > "tap" > the "narrowing" scenario repeats! > > What I've Tried: > > I've downloaded and sent "All Firmware to K3" twice with the same result. > > I've used the K3 Utility Version 1.1.6.3 to verify the filter settings > that > I made in the Config Menu. > > I've used the K3 Utility to set the filters and verified them in the > Config > Menu. > > I don't know if this action occurred in previous versions as I've stayed > up > with all Beta releases but frankly never tapped the XFIL button before > while > listening to AM. > > Questions: > > Can anyone duplicate this seemingly strange action when in AM mode and > tapping the "XFIL" button? > > If it can't be duplicated, any idea(s) what I've got set incorrectly? > > Is this simply a consequence of not having the 6 kHz AM filter and > listening > to AM with the 2.8? > > Thanks in advance. '73 es gud dxing -- Don N4HH K3/100/KRX3 #83 > > > > > > _______________________________________________ > Elecraft mailing list > Post to: [hidden email] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > _______________________________________________ Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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In reply to this post by Don Nesbitt
Same here. I have the 10Khz FM, 2.7 and 1.8. Use the FM filter for AM rx. See the same behavior others are describing with 2.38.
Rodger ---- Original message ---- >Date: Thu, 18 Sep 2008 20:50:38 +0200 >From: "Steef PA2A" <[hidden email]> >Subject: Re: [Elecraft] K3 MCU 2.38 Software Bug? >To: <[hidden email]>, <[hidden email]>, <[hidden email]> > >Don, > >I have found the same problem. I have the 6K, 2K8, 500, 400 and 250 Hz at >the moment. All three narrow filters show LO 0.85 and HI 2.15 in AM mode. >The BW shown during switching from HI to BW is 2.70 and not 500, 400 and 250 >Hz as one would expect. > >I am wondering why the center frequency *1.50 always remains constant for >all filters in SSB. When lowering the bandwidth to 1 KHz, signals can be >heard best at a lower shift of about 0.65 KHz. With my K2 I used the CW >audio filter at 550 Hz sometimes to copy SSB stations with adjacent strong >signals. > >73 's Steef PA2A >K2 4654 >K3 1184 > > >----- Original Message ----- >From: "Don Nesbitt" <[hidden email]> >To: <[hidden email]>; <[hidden email]> >Sent: Thursday, September 18, 2008 7:06 PM >Subject: [Elecraft] K3 MCU 2.38 Software Bug? > > >> Basic Parameters: >> >> K3/100 with KRX3 - MCU 2.38, FPF 00.02, DSP1 1.90, DSP2 1.90 >> >> Main Board: FL2 = 2.8; FL3 = 2.1; FL4 = 400 Hz >> Sub RX Board: FL2 = 2.8; FL4 = 400 Hz >> >> AM Rx Enabled for FL2 Main and FL2 Sub >> AM Tx not Enabled >> >> I do NOT have a 6.00 AM Filter but am listening to AM through my 2.8 >> roofing >> filter - which sounds pretty good! >> >> Action: Set Mode to AM. Displayed Mode changes to AM and displayed XFIL >> changes to FL2 (which would be expected as I have a 2.8 in FL2 and it is >> enabled for AM receive) with "High" showing 3.00 and "Low" showing 0.00. >> BW >> shows 6.00. FC shows 1.50. >> >> Surprise Action - Possible "Bug" >> >> Now Tap "XFIL" button. Displayed XFIL stays on FL2 - but - bandwidth gets >> very narrow. "High" now shows 2.20 and "Low" shows 0.80. FC still shows >> 1.50 and BW now shows 2.8. But, the graphic display of bandwidth narrows >> to >> what would be shown if I had BW set to 400 Hz and the recovered AM audio >> sounds like it! The BW showing 400 Hz is as it should be since 2.20 - >> 0.80 >> is 400 Hz. >> >> Press and release "NORM" and I am back to where I started with Rx as it >> should. Even if I "Normalize" I and II so all is well and then do the >> "tap" >> the "narrowing" scenario repeats! >> >> What I've Tried: >> >> I've downloaded and sent "All Firmware to K3" twice with the same result. >> >> I've used the K3 Utility Version 1.1.6.3 to verify the filter settings >> that >> I made in the Config Menu. >> >> I've used the K3 Utility to set the filters and verified them in the >> Config >> Menu. >> >> I don't know if this action occurred in previous versions as I've stayed >> up >> with all Beta releases but frankly never tapped the XFIL button before >> while >> listening to AM. >> >> Questions: >> >> Can anyone duplicate this seemingly strange action when in AM mode and >> tapping the "XFIL" button? >> >> If it can't be duplicated, any idea(s) what I've got set incorrectly? >> >> Is this simply a consequence of not having the 6 kHz AM filter and >> listening >> to AM with the 2.8? >> >> Thanks in advance. '73 es gud dxing -- Don N4HH K3/100/KRX3 #83 >> >> >> >> >> >> _______________________________________________ >> Elecraft mailing list >> Post to: [hidden email] >> You must be a subscriber to post to the list. >> Subscriber Info (Addr. Change, sub, unsub etc.): >> http://mailman.qth.net/mailman/listinfo/elecraft >> >> Help: http://mailman.qth.net/subscribers.htm >> Elecraft web page: http://www.elecraft.com >> > >_______________________________________________ >Elecraft mailing list >Post to: [hidden email] >You must be a subscriber to post to the list. >Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > >Help: http://mailman.qth.net/subscribers.htm >Elecraft web page: http://www.elecraft.com Elecraft mailing list Post to: [hidden email] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com |
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