Automatic diversity configuration

[joachim.groeger]

Hi, All

I've just installed MCU 2.76 and find that the diversity auto config  
no longer works. Anyone else notice this?

73

JRG
DK3NG

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[wayne burdick]

Joachim wrote:

> I've just installed MCU 2.76 and find that the diversity auto config
> no longer works. Anyone else notice this?

Hi Joachim,

I just tested this and it appears to be working. What you may be
noticing is that in diversity mode (*long* hold of SUB), VFO B is no
longer linked to VFO A. In recent revisions, VFO A still controls both
synthesizers, but VFO B is left independent so it can be used for SPLIT
with diversity (i.e., as the transmit frequency).

You'll also notice that in diversity mode, the VFO A kHz decimal point
flashes as a reminder. If you link the VFOs (normal hold of SUB), the
VFO B kHz decimal point flashes. In fact you can still link VFO B to
VFO A if desired, even in diversity mode, but more likely you'll leave
VFO B free to use for split.

One other change in the most recent revision is that PRE and ATTN are
independent for the main and sub receivers. Use BSET to set up the sub
receiver's PRE and ATTN.

73,
Wayne
N6KR

---

http://www.elecraft.com

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[Bruce McLaughlin-2]

Wayne, you folks think of everything!  Being able to use split in diversity
mode is neat.

Best wishes for the coming new year to all the folks at Elecraft.

Bruce W8FU

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of wayne burdick
Sent: Sunday, December 28, 2008 6:07 PM
To: [hidden email]
Cc: [hidden email]
Subject: [Elecraft] Re: Automatic diversity configuration

Joachim wrote:

> I've just installed MCU 2.76 and find that the diversity auto config
> no longer works. Anyone else notice this?

Hi Joachim,

I just tested this and it appears to be working. What you may be
noticing is that in diversity mode (*long* hold of SUB), VFO B is no
longer linked to VFO A. In recent revisions, VFO A still controls both
synthesizers, but VFO B is left independent so it can be used for SPLIT
with diversity (i.e., as the transmit frequency).

You'll also notice that in diversity mode, the VFO A kHz decimal point
flashes as a reminder. If you link the VFOs (normal hold of SUB), the
VFO B kHz decimal point flashes. In fact you can still link VFO B to
VFO A if desired, even in diversity mode, but more likely you'll leave
VFO B free to use for split.

One other change in the most recent revision is that PRE and ATTN are
independent for the main and sub receivers. Use BSET to set up the sub
receiver's PRE and ATTN.

73,
Wayne
N6KR

---

http://www.elecraft.com

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[Benny Aumala]

Mine does not work.
Second receiver is lost in this cofiguration.
Otherways OK ( VFO A decimal point flashes).

Benny       OH9NB

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[Guy, K2AV]

My problem is that once in diversity mode I can't seem to turn it off (admittingly assuming it's a toggle).  What's the command sequence to turn off diversity (other than power off and on)?

73, Guy

wayne burdick wrote

Joachim wrote:

> I've just installed MCU 2.76 and find that the diversity auto config
> no longer works. Anyone else notice this?

Hi Joachim,

I just tested this and it appears to be working. What you may be
noticing is that in diversity mode (*long* hold of SUB), VFO B is no
longer linked to VFO A. In recent revisions, VFO A still controls both
synthesizers, but VFO B is left independent so it can be used for SPLIT
with diversity (i.e., as the transmit frequency).

You'll also notice that in diversity mode, the VFO A kHz decimal point
flashes as a reminder. If you link the VFOs (normal hold of SUB), the
VFO B kHz decimal point flashes. In fact you can still link VFO B to
VFO A if desired, even in diversity mode, but more likely you'll leave
VFO B free to use for split.

One other change in the most recent revision is that PRE and ATTN are
independent for the main and sub receivers. Use BSET to set up the sub
receiver's PRE and ATTN.

73,
Wayne
N6KR

---

http://www.elecraft.com

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[Barry N1EU]

Guy, K2AV wrote

My problem is that once in diversity mode I can't seem to turn it off (admittingly assuming it's a toggle).  What's the command sequence to turn off diversity (other than power off and on)?

The best way to get out of diversity is to tap SUB, which will turn off the subreceiver.  Tap SUB again to turn the subreceiver back on with diversity off.  In other words, two taps will turn off diversity.

73,
Barry N1EU