The MC-60 (not A) schematic that I see on the G4WPW website indicates
that the switch changes from low impedance to high impedance. For use
with the K3 and other modern transceivers the switch should be in the
low impedance position.
From the schematic, I cannot understand an "out" label on the switch.
If you have an MC-60A, then "out" would be reasonable referring to the
preamp either in or out.
73,
Don W3FPR
On 3/14/2013 6:53 PM, Stephen Roberts wrote:
It's a MC-60 and the switch is "Out".
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