The K3S FAQ indicates that the KXV3B, KAT3A & KBPF3A are available now.
I can't confirm or deny the accuracy of that. But, I believe you'd need
the new beta firmware for any of those.
73, Ross N4RP
On 5/20/2015 2:00 PM, Phil Wheeler wrote:
That's my interpretation, Ross. Just asking Wayne for confirmation.
Hmmm .. but I wonder if anyone has been able to add such items to
their K3 as yet? They were announced a week ago, and my impression is
that they may be in short supply for K3 usage for a while.
Phil W7OX
On 5/20/15 10:29 AM, Ross Primrose wrote:
The new firmware would be required for a K3 IF you add any of the
newly upgraded K3S pieces to your K3, such as the new KIO3, KXV3B or
KAT3A.
73, Ross N4RP
On 5/20/2015 10:32 AM, Phil Wheeler wrote:
Wayne,
It's unclear what impact, if any, this firmware will have on the K3.
All the specifics listed below appear to be K3S related.
I usually load beta versions *only* if the test/change relates to
some feature I really want. If no changes for K3, no reason for me
to load it.
Is there any reason a K3 needs this version for improved
performance, functionality, etc.?
73, Phil W7OX
On 5/19/15 5:29 PM, Wayne Burdick wrote:
Hi all,
K3 beta firmware rev. 5.26 is now available on our K3 software
page. This is the first combined K3/K3S firmware release. It can be
loaded into either transceiver using K3 Utility.
Some firmware features and changes apply only to the K3S, or to the
various updated internal modules, as described in the release notes
below. (Further details will be provided in the K3S owner's manual
and other documents as they are made available.) We appreciate any
firmware testing you might do on a K3, with or without any upgraded
modules.
73,
Wayne
N6KR
* * *
K3/K3S MCU rev. 5.26
* USB COMPUTER PORT FOR COMBINED CONTROL and DIGITAL AUDIO (K3S,
KIO3B): If a KIO3B module is installed (standard with the K3S), the
CONFIG:RS232 menu entry will have a "USB" setting. If this setting
is used, then a single USB cable can be used between the K3S and a
computer to provide remote control, digitized line-level audio
in/out, and PTT/KEY (via equivalents to the "RTS" and "DTR"
signals). All of these signals are usually recognized by computer
applications that also support RS232. This eliminates the need for
a sound card and associated analog line in/out cables, as well as
any external converter units. Refer to the K3S owner's manual, pgs.
18-20, for details.
* NEW P3 PANADAPTER CABLE SUPPORT (K3S, KIO3B): If a KIO3B module
is installed, then the P3 Panadapter must be connected to the K3S
at its RS232/P3 connector (RJ45). Two different special cables are
available for this purpose, depending on whether a computer will be
connected via USB or RS232 to the K3S and P3. Refer to the K3S
owner's manual for details (pg. 18 and 19).
* LINE IN/OUT AUDIO USE WITH USB PORT (K3S, KIO3B): If a plug is
inserted into the LINE IN jack on the K3S, this audio signal will
override the digitized audio line-in data that is present in the
USB cable. LINE OUT on the K3S, however, is always available even
if the USB cable is being used for line-out.
* PREAMP 2 and CONFIG:PREAMP2 MENU ENTRY (KXV3B): This menu entry
is only applicable if a KXV3B module is installed (supplied with
the K3S). It also only applies if the current band is 12, 10, or 6
meters. If PREAMP2 is set to ON, then the PRE switch rotates
through settings of OFF, PRE 1, and PRE 2 on the applicable band.
PRE 2 turns on the low-noise preamp on the KXV3B module (+20 dB,
with a typical NF of -144 dBm on 12/10/6 meters). When PRE 2 is
selected, the PRE icon will flash slowly. Note: Do not use an
external preamplifier (such as an Elecraft PR6 or PR6-10) when
using the built-in low-noise preamp (PRE 2). This would result in
excessive gain. .
* MULTIPLE ATTENUATOR SETTINGS and MAIN:ATTEN MENU ENTRY (K3S RF
BOARD): On a K3S, the MAIN:ATTEN menu entry is used to select the
per-band attenuation level for the ATTN switch (5/10/15 dB). A
shortcut method of accessing this menu entry is to hold the ATTN
switch for about 3 seconds. (On a K3, the parameter is fixed at 10
dB.)
* LOW-LOSS ATU BYPASS SETTING (KAT3A): The upgraded internal ATU
option, the KAT3A, includes a very low-loss bypass path via an
additional relay. The bypass relay is engaged when the ATU switch
is used to turn the ATU icon OFF. This setting can be used with
closely matched antennas. ("Bypass" mode on the earlier model KAT3
ATU uses a minimum-L/minimum-C network setting rather than a relay,
result in a small dissipation loss that varies with frequency.)
* 100-500 KHZ SENSITIVITY IMPROVEMENT (KBPF3A): The KBPF3A is an
upgrade from the KBPF3. The lowest-frequency filter in the KBPF3A
has a cutoff at 100 kHz rather than 500 kHz. This improves typical
sensitivity at 137 kHz (2200 meters) to about -120 dBm, and at 472
kHz (600 meters), about -130 dBm.
* UPDATED "PA" (PREAMP) REMOTE-CONTROL COMMAND (KXV3B): The PA
command now supports a SET/RESPONSE value of "PA2" whenever preamp
2 is available. This applies on 12/10/6 meters with a KXV3B module
installed and preamp 2 enabled (see CONFIG:PREAMP2 description,
above).
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