k3 : Split Operation

[M0XDF]

according to my rev D1 K3 manual, pg37

VFO B controls the sub’s frequency, and is also the
TX frequency during SPLIT (see details at right).


and 'right' says

SPLIT Mode with the Sub Receiver
During split (SPLIT), VFO A is the receive
frequency and VFO B the transmit frequency. If the
sub receiver is on, you can listen to both receive
and transmit frequencies, making DXing more
convenient. You can set up the sub receiver’s
filtering independently using BSET.


So I think I can't do it, that is use the large knob to control the  
KRX3, thereby making tuning into the DX receive frequency easier.

I don't see how you can do that, but not having the KRX3 installed yet  
doesn't help.
(Note to self to promise to install after JOTA).
73 de M0XDF, K3 #174
--
When you want to test the depths of a stream, don't use both feet.
-Chinese Proverb

On 8 Oct 2008, at 14:48, Joe Subich, W4TV wrote:

>
>
>> I don't know if it would be possible to switch which VFO is
>> used, but I'd like to be able to tune VFOB with the larger
>> knob in split, since I'm trying to find the frequency the
>> DX is listening on.
>
> It's quite easy with the KRX3 ... turn on "sub" to listed to
> the DX station and use VFO A/Main for transmit and listening
> in the pile.
>
>
>
>
>> -----Original Message-----
>> From: [hidden email]
>> [mailto:[hidden email]] On Behalf Of David
>> Ferrington, M0XDF
>> Sent: Wednesday, October 08, 2008 8:39 AM
>> To: [hidden email]
>> Subject: Re: [Elecraft] k3 : Split Operation
>>
>>
>> I don't know if it would be possible to switch which VFO is
>> used, but
>> I'd like to be able to tune VFOB with the larger knob in
>> split, since
>> I'm trying to find the frequency the DX is listening on.
>> Yes, I know I can switch A/B, but I want to spot the
>> frequency and Tx
>> without having to press a button and delay
>> --
>> Being a System Administrator is like being a plumber.
>> If you do a good job, nobody knows. If you screw up, everybody gets
>> covered in s**t!
>>
>> On 8 Oct 2008, at 13:34, Cady, Fred wrote:
>>
>>> Another thing about split operation is that the K3 defaults
>> to using
>>> VFO B for transmit and A for receive. In the K2 A/B (I
>> think) reverses
>>> these. This is a bit of a problem if you are using N1MM and
>> running in
>>> split mode and tuning VFO A around. If you tune more than
>> 300 Hz N1MM
>>> will toggle from Run to S&P mode. The workaround is to either widen
>>> the
>>> CW tolerance (Config -> Other) or turn off the Run/S&P Toggle (Alt-
>>> F11).
>>> (Thanks to K3CT for pointing this out to me.) Not a big
>> deal but maybe
>>> being able to switch which is the transmit and which is the
>> receive
>>> VFO
>>> in split mode would be nice.
>>> Cheers,
>>> Fred, KE7X
>>
>

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[gm3sek]

Joe Subich, W4TV wrote:

>
>> Another useful option would be steps 1 and 2 only; or of
>> course none of the above.
>
>My preference is to transfer frequency and mode only.  Setting mode
>should restore the last used filter settings for that mode and (when
>VFO IND is implemented) I don't want A->B changing the preamp, AGC, RX
>Ant, etc. settings on the subreceiver.
>
>I've never found the automatic frequency offset (Quick Split) feature
>useful on any of the other radios.  Still, as long as the offset can be
>set to zero it is effectively the same.
>

Sometimes I'd prefer that too; it depends on the type of operating.

The discussion only goes to show that SPLIT behavior needs to be
configurable to suit a wide range of user preferences, and not too
deeply buried in the menu system.


--

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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[Joe Subich, W4TV-3]

> So I think I can't do it, that is use the large knob to control the  
> KRX3, thereby making tuning into the DX receive frequency easier.

No, you don't use the large knob to control the KRX3.  You said you
wanted to use the large knob to tune the transmit frequency while
listening to your transmit frequency.  In that case you use the
KRX3 to listen to the (fixed) DX frequency and tune your transmit
frequency with VFO A and listen to your transmit frequency on the
main receiver.  Dual receive - not split.

If you are the DX, set your transmit frequency on VFO B, enable
dual receive and split.  Tune the callers in the pile on VFO A.

There is no reason to use the large knob to control the KRX3
since the KRX3 and main receivers are identical.

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of David
> Ferrington, M0XDF
> Sent: Wednesday, October 08, 2008 10:10 AM
> To: [hidden email]
> Cc: [hidden email]
> Subject: Re: [Elecraft] k3 : Split Operation - update
>
>
> according to my rev D1 K3 manual, pg37
>
> VFO B controls the sub’s frequency, and is also the
> TX frequency during SPLIT (see details at right).
>
>
> and 'right' says
>
> SPLIT Mode with the Sub Receiver
> During split (SPLIT), VFO A is the receive
> frequency and VFO B the transmit frequency. If the
> sub receiver is on, you can listen to both receive
> and transmit frequencies, making DXing more
> convenient. You can set up the sub receiver’s
> filtering independently using BSET.
>
>
> So I think I can't do it, that is use the large knob to control the  
> KRX3, thereby making tuning into the DX receive frequency easier.
>
> I don't see how you can do that, but not having the KRX3
> installed yet  
> doesn't help.
> (Note to self to promise to install after JOTA).
> 73 de M0XDF, K3 #174
> --
> When you want to test the depths of a stream, don't use both
> feet. -Chinese Proverb
>
> On 8 Oct 2008, at 14:48, Joe Subich, W4TV wrote:
>
> >
> >
> >> I don't know if it would be possible to switch which VFO
> is used, but
> >> I'd like to be able to tune VFOB with the larger knob in
> split, since
> >> I'm trying to find the frequency the DX is listening on.
> >
> > It's quite easy with the KRX3 ... turn on "sub" to listed to the DX
> > station and use VFO A/Main for transmit and listening in the pile.
> >
> >
> >
> >
> >> -----Original Message-----
> >> From: [hidden email]
> >> [mailto:[hidden email]] On Behalf Of David
> >> Ferrington, M0XDF
> >> Sent: Wednesday, October 08, 2008 8:39 AM
> >> To: [hidden email]
> >> Subject: Re: [Elecraft] k3 : Split Operation
> >>
> >>
> >> I don't know if it would be possible to switch which VFO
> is used, but
> >> I'd like to be able to tune VFOB with the larger knob in
> >> split, since
> >> I'm trying to find the frequency the DX is listening on.
> >> Yes, I know I can switch A/B, but I want to spot the
> >> frequency and Tx
> >> without having to press a button and delay
> >> --
> >> Being a System Administrator is like being a plumber.
> >> If you do a good job, nobody knows. If you screw up, everybody gets
> >> covered in s**t!
> >>
> >> On 8 Oct 2008, at 13:34, Cady, Fred wrote:
> >>
> >>> Another thing about split operation is that the K3 defaults
> >> to using
> >>> VFO B for transmit and A for receive. In the K2 A/B (I
> >> think) reverses
> >>> these. This is a bit of a problem if you are using N1MM and
> >> running in
> >>> split mode and tuning VFO A around. If you tune more than
> >> 300 Hz N1MM
> >>> will toggle from Run to S&P mode. The workaround is to
> either widen
> >>> the CW tolerance (Config -> Other) or turn off the Run/S&P Toggle
> >>> (Alt- F11).
> >>> (Thanks to K3CT for pointing this out to me.) Not a big
> >> deal but maybe
> >>> being able to switch which is the transmit and which is the
> >> receive
> >>> VFO
> >>> in split mode would be nice.
> >>> Cheers,
> >>> Fred, KE7X
> >>
> >
>
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[Val-12]

> To accomplish the same task, the '7800 and '7700 require single
> press-and-hold button activations while the K3 requires three presses
> (i.e., double press A>B, then a single press on SPLIT).  Also, no
> combination of activating SPLIT activates the '7800's 2nd receiver --
> unless that ability has alluded me in the menu system.

I'm looking forward to "Qick Split" too, but meanwhile there is a tip to
save a precious second when hear "UP". My VFO B is always linked to VFO A
plus 1 kHz, as this is the most common offset. I have only to press "SPLIT"
and I am firing on the DX receiving frequency. Later if needed unlink VFO B
for better tuning.

73' Val LZ1VB

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