[Elecraft] K2 preamp & attenuator combos

[John Huffman]

Mike -

I have seen rig control programs use the four combinations to simulate four 
steps of volume control since the volume knob can't be changed by computer control.

73 de K1ESE
John

Mike Markowski wrote:
> I'm writing some rig control code for the K2 and came across this in the 
> KIO2 manual at the PA command:
> 
> "Note: the preamp and attenuator can be turned on simultaneously under 
> computer control to provide four different RF gain levels."
> 
> Two variables each with two settings gives you four combinations.  Easy 
> enough, but does it really buy you anything to turn on both the 
> attenuator and the preamp simultaneously?
> 
> 73,
> Mike ab3ap
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