Jon,
The major firmware upgrade was from MCU version 1.xx to 2.xx. Since you
have 2.01, you may not have any need to upgrade if you are satisfied
with it. Your K2 will work as well as any other with that firmware version.
The first upgrade from 2.01 was to 2.03, and I am sorry to say that I
have forgotten what the added features were in that upgrade.
The change from 2.03 to 2.04 was mainly to support the more recent
upgrades and options - the K2 Keying Modification and the addition of
the K60XV option both required firmware changes.
If you have the K2/100, I would recommend the firmware upgrade and the
addition of the K2 Keying Waveshape Mod, but if you have the K2/10, you
may be happy with what you have now.
BTW, the K2 Keying Waveshape Mod is not currently available from
Elecraft, but if you want to install it, I can tell you how in a
separate off-list email. I have already published it on-list, so you
can find it in the archives. If you have the K2/100 (or drive an
amplifier with your K2/10), I highly recommend you add that mod to
eliminate keyclicks that are not obvious with the K2/10, but become
troublesome when an amp is added.
73,
Don W3FPR
On 10/19/2014 6:18 PM, Jon Pike wrote:
In my continuing efforts of rediscovering my K2, I'm wondering how
badly I want the current FW versions.
I currently have 2.01f and 1.02, not sure what/if it needs one the
SSB version is. I don't seem to be able to find a revision list of
versions back down to mine, just what's written up for the current
last couple of 2.04 versions.
It's a 10W K2, (embarrased to not remember my s/n!) have done a lot
of the upgrades and fixes probably up to the '04 or so point in time.
I have a lot, but not all of the options, antenna tuner, SSB,
160m/RX, NB, KIO2?.... No AF or DSP. So, I'm wondering what feature
additions am I missing, or am I pretty much OK as is?
Thanks...
Jon KA6MOK
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