K3 Beta Firmware Revision 2.02

[wayne burdick]

K3 beta-test firmware revision 2.02 is now available. It includes one
new feature (channel hopping, especially useful on 60 meters) and a
correction to CW/VOX behavior. Full details appear below.

For instructions on how to obtain and load beta firmware, please see:

   http://www.elecraft.com/K3/k3_software.htm

Please send any problem reports to [hidden email].

73,
Wayne
N6KR

* * *

MCU 2.02, 6-7-08

* VOX SWITCH NOW FUNCTIONS CORRECTLY IN CW MODE. When VOX is OFF in
   CW mode, transmit must be enabled via XMIT or PTT rather than just
hitting the key.

* MEMORY-BASED CHANNEL HOPPING (for 60 m in particular):  This now works
   as described in the K3 Owner’s Manual (rev C., page 37). You can
manually ‘hop’
   with VFO A, or scan channels. First, store the desired channels in
adjacent memories.
   For example, you might set up 60-m channels in memories 61-65 (5330.5
kHz, etc.).
   Next, change the first label character in each of these memories to
an asterisk (*) as
   described in the manual. (The first memory above and below your
channel-hop group
   must either have no asterisk in their first label position, or be on
different bands.)
   Finally, tap M->V and select any one of these memories. Manual
rotation of VFO A
   and scanning will then use only the memories in the group. To return
to normal operation,
   use any of the VFO rate switches, or change bands. NOTE: A future
revision will allow
   FM channel hopping based on squelch activity.

   SCANNING TIP: On a noisy band, scanning may pause too often. Try
using a narrower
   filter, turning the preamp off, or backing down RF GAIN until the
scan starts.

---

http://www.elecraft.com

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[Nick J. Sinanis F5VIH/SV3SJ]

Interesting, since MCU version 2.00 already,it is possible to use the
front panel buttons RX ant, PRE, ATT, XFIL AFX while in TX Mode!
The filter settings cannot be yet changed however.

Very useful addition, however no feedback is provided when a key is
pressed during TX - it all happens when the rig passes in RX mode. I got
surprised to hear all of a sudden a relay click when my K3 passed in RX
mode. It was the RX Ant relay after I had pressed the RX Ant button
during TX mode :-)

Thank you once more Elecraft!

73s Nick
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[Bob Cunnings NW8L]

Finally found time for an update (this one, 2.02), and the gain
discrepancy between the FIR and IIR filters seems to have gone away
somewhere in the recent flurry of releases - at least in this version
I can't detect any difference moving between 150 and 100 Hz filters
with FIR enabled.

Bob NW8L

On Sat, Jun 7, 2008 at 5:08 PM, wayne burdick <[hidden email]> wrote:

> K3 beta-test firmware revision 2.02 is now available. It includes one new
> feature (channel hopping, especially useful on 60 meters) and a correction
> to CW/VOX behavior. Full details appear below.
>
> For instructions on how to obtain and load beta firmware, please see:
>
>  http://www.elecraft.com/K3/k3_software.htm
>
> Please send any problem reports to [hidden email].
>
> 73,
> Wayne
> N6KR
>
> * * *
>
> MCU 2.02, 6-7-08
>
> * VOX SWITCH NOW FUNCTIONS CORRECTLY IN CW MODE. When VOX is OFF in
>  CW mode, transmit must be enabled via XMIT or PTT rather than just hitting
> the key.
>
> * MEMORY-BASED CHANNEL HOPPING (for 60 m in particular):  This now works
>  as described in the K3 Owner's Manual (rev C., page 37). You can manually
> 'hop'
>  with VFO A, or scan channels. First, store the desired channels in adjacent
> memories.
>  For example, you might set up 60-m channels in memories 61-65 (5330.5 kHz,
> etc.).
>  Next, change the first label character in each of these memories to an
> asterisk (*) as
>  described in the manual. (The first memory above and below your channel-hop
> group
>  must either have no asterisk in their first label position, or be on
> different bands.)
>  Finally, tap M->V and select any one of these memories. Manual rotation of
> VFO A
>  and scanning will then use only the memories in the group. To return to
> normal operation,
>  use any of the VFO rate switches, or change bands. NOTE: A future revision
> will allow
>  FM channel hopping based on squelch activity.
>
>  SCANNING TIP: On a noisy band, scanning may pause too often. Try using a
> narrower
>  filter, turning the preamp off, or backing down RF GAIN until the scan
> starts.
>
> ---
>
> 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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[Leigh L. Klotz Jr WA5ZNU]

It's a welcome addition, good for 60m users, and excellent for portable,
HFPack, and mobile operation, to eliminate distraction.  I'm pleased to
see it.
Leigh/WA5ZNU

> "Channel hopping" doesn't seem to offer anything useful to me. It would
> have been nice if rotating VFO A not only displayed the frequency stored
> but instantly assigned it to a VFO so the K3 could be used in the same
> manner as a crystal controlled transceiver (without having to press M-V
> again). As the K3 lacks a V/M switch, I guess it will not operate in a
> channelised manner any time soon.
>
> 73 Dave
> K3/100 #80
> ----------------
>
> K3 beta-test firmware revision 2.02 is now available. It includes one
> new feature (channel hopping, especially useful on 60 meters) and a
> correction to CW/VOX behavior.

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