Daniel,
All upgrades are included in all K2s after serial number 4300. The
firmware should work fine. If you want to check the firmware level,
hold any button while powering on and the MCU and KIOC levels will be
briefly displayed - the latest is 2.04r/1.09.
Since the KSB2 is installed, you need to know how the microphone
configuration header is wired. If the prior owner sent a microphone
with the K2, then just use that one - or if he told you which microphone
was used with it, get a similar microphone and use it.
If you have no microphone information, you will have to disassemble the
K2 to get to the back of the Front Panel to see how it is wired.
Guidance for how to disassemble the K2 is given at
https://www.qsl.net/wy3a/Replace_K2_Headphone_Jack.htm. You do not need
to replace the headphone jack, but the disassembly of the K2 is the same
as in that article.
The microphone configuration header wiring for various microphones is
shown in the KSB2 manual - download it from Elecraft if you do not have
a paper copy.
As for other things, you may want to touch up the IF filter alignment,
but if it works, I would leave that for later after you become familiar
with the K2. You will need to use the internal counter probe to do the
IF filter alignment. Elecraft does have a kit of parts for the probe if
you did not receive one with the K2 (it may be inside the K2).
Yes, the KDSP2 has been discontinued.
You will need to construct the special cable shown in the KIO2 manual to
have PC to K2 communications. Do NOT plug a standard serial port into
the K2 AUX IO connector - it contains internal K2 signal lines as well
as 3 RS-232 signals. Using a standard serial cable can cause damage to
the K2 and possibly the serial port.
73,
Don W3FPR
On 6/17/2019 6:25 PM, Daniel Solano Gómez wrote:
Hello, all,
My name is Daniel, AG5UT, and I recently purchased a second-hand K2 (#5240) as
my first HF rig. I believe it’s in good working condition—I haved been able to
successfully confirm it transmits, but have yet to have a QSO. It has the
following options installed:
* KSB2 (1.08b)
* KAT2 (1.07)
* KIO2 (1.09)
* K160M
I have purchased the KBT2, since I like the idea of taking this car camping and
being able to operate without having to be plugged in.
So, I have a few questions:
1. It seems like since it’s a later serial number, so I shouldn’t need to worry
about doing any upgrades of the main system. Is this right?
2. I think I also have the latest firmware versions, is this correct?
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