VFO B is tracking VFO A

[w2eck]

A related question: What is difference between VFO IND  and VFO LNK ? 
I ask because I recently installed the 2nd  receiver and had set VFO IND to Yes. I then noticed that when trying to use the SCAN feature that when I press M>V, only VFO A was being populated with the stored memory not VFO B. Thus Scan would not start.
73 Paulkc2nyu
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[wayne burdick]

paul ecker <[hidden email]> wrote:

> A related question: What is difference between VFO IND  and VFO LNK ?

VFO IND = NO (default) keeps VFO A and B on the same band at all times.

VFO IND = YES allows VFO B to be on a different band. This is most useful with the sub receiver.

VFO LNK just slaves VFO B to VFO A. As you rotate A, B moves along with it. VFO B can be moved off of VFO A's frequency, in which case moving VFO A will preserve some offset between the two. In practice this is not used very often, which is why VFO LNK was moved to a menu entry. This allowed us to use a regular HOLD of the SUB switch to get into diversity mode.

NOTE: Speaking of which, VFO LNK is *not* needed for diversity receive mode. In diversity, VFO A automatically controls both the main and sub receiver frequencies. VFO B can be used as a holding register for another part of the band, or for use as the TX frequency during SPLIT.

73,
Wayne
N6KR



> I ask because I recently installed the 2nd  receiver and had set VFO IND to Yes. I then noticed that when trying to use the SCAN feature that when I press M>V, only VFO A was being populated with the stored memory not VFO B. Thus Scan would not start.
> 73 Paulkc2nyu



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[w2eck]

Wayne - Tnx for explanation. Further question. VFO IND = YES allows VFO B to be on a different band. This is most useful with the sub receiver.

So if I have VFO IND set to YES, does this preclude using the SCAN feature?
73 Paul
      From: Wayne Burdick <[hidden email]>
 To: paul ecker <[hidden email]>
Cc: "[hidden email]" <[hidden email]>
 Sent: Thursday, October 1, 2015 12:08 PM
 Subject: Re: [Elecraft] VFO B is tracking VFO A
   
paul ecker <[hidden email]> wrote:

> A related question: What is difference between VFO IND  and VFO LNK ?

VFO IND = NO (default) keeps VFO A and B on the same band at all times.

VFO IND = YES allows VFO B to be on a different band. This is most useful with the sub receiver.

VFO LNK just slaves VFO B to VFO A. As you rotate A, B moves along with it. VFO B can be moved off of VFO A's frequency, in which case moving VFO A will preserve some offset between the two. In practice this is not used very often, which is why VFO LNK was moved to a menu entry. This allowed us to use a regular HOLD of the SUB switch to get into diversity mode.

NOTE: Speaking of which, VFO LNK is *not* needed for diversity receive mode. In diversity, VFO A automatically controls both the main and sub receiver frequencies. VFO B can be used as a holding register for another part of the band, or for use as the TX frequency during SPLIT.

73,
Wayne
N6KR





> I ask because I recently installed the 2nd  receiver and had set VFO IND to Yes. I then noticed that when trying to use the SCAN feature that when I press M>V, only VFO A was being populated with the stored memory not VFO B. Thus Scan would not start.
> 73 Paulkc2nyu




 
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[wayne burdick]

On Oct 1, 2015, at 9:18 AM, paul ecker <[hidden email]> wrote:

> Wayne - Tnx for explanation. Further question.
> VFO IND = YES allows VFO B to be on a different band. This is most useful with the sub receiver.
>
> So if I have VFO IND set to YES, does this preclude using the SCAN feature?

You can still use SCAN with VFO IND=YES as long as the two VFOs are set to the same band.

When you first set VFO IND=YES and try scan, you might see an error message (M>V REQuired) if the target scanning memory was set up prior to this. In that case, just set up the scanning memory again.

Wayne

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