[Elecraft] Corrected K3 MCU Firmware, rev. 1.66 (fixes ATU TUNE problem)

[wayne burdick]

If you loaded K3 MCU revision 1.65, please load revision 1.66 instead, 
which fixes a problem with ATU TUNE that was reported by a few 
customers. Rev. 1.66 is now available on our web site.

In version 1.65, tapping ATU TUN would incorrectly use the power level 
set in the new TUN PWR menu entry, and afterward would set the power 
knob to this TUN PWR value.

The ATU TUNE power level is automatically controlled by firmware (5 W 
and 10 W are used, depending on the SWR). The TUN PWR menu entry only 
sets the power level for the regular TUNE switch.

73,
Wayne
N6KR


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