Folks,

OK, I looked at the firmware chip that I received just today, and it is level 2.04R instead of 2.04P. I do not have confirmation, but from Larry's report, it may be that the sidetone source is now fixed at U8-4. If so, it will solve a lot of problems that users have, even though it may prove to be a minor inconvenience for those who still have older K2s without the sidetone source change.

I am going out on a limb here without confirming information, so be gentle if I am later proven incorrect.

73,
Don W3FPR

gearjam wrote:
Hey guys,
 I just went ahead and did the U8-4 mod and of course the sidetone was
there. Maybe the firmware was changed so you didn't have a choice.
Everything else seems to work OK.

Thanks and 73,

Larry, NU4B


gearjam wrote:
I have upgraded my firmware to the latest revision. (and replaced the I/O
controller). The sidetone is gone. There is no option to change the
source, it stays on U8-4 when I tap the display button.
When I put the old IC back, the sidetone returns. My K2 is an older (1644)
rig and I don't have the 100 watt option or the the KIO2 option installed.
Does anyone have any ideas?

Thanks, Larry
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