I notice the same thing, but only when there is a signal on the frequency tuned in on the K3 when power is turned ON. AF gain set at about 9 o'clock, CONFIG:AF GAIN HI. With no signal on the tuned frequency, the loud audio does not happen. I did not notice this on previous firmware versions. Later this morning I'll reinstall previous firmware and double check.
73,
Ken K3IU
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Stewart Baker wrote:
Hi,
Since installing MCU 2.73. I have noticed that power on is accompanied by a number of loud, rather unpleasant clicks/clunks from the speaker.

73
Stewart G3RXQ
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