[Elecraft] K3, PSK31 cables

[eaonj at optonline.net]

I am trying to use PSK31 Deluxe v3.4 in Ham Radio Deluxe with the K3 and have a basic question.  The cable from  LINE OUT jack of the K3 to headset input of laptop computer should have stereo plug at each end?  The cable from LINE IN jack of K3 to mic input of laptop computer should have a mono-plug at each end?  I cannot see any signals in the lower grid of the display.

I set MIC SEL to Line IN, Mode to Data A.

Gene, W2BXR
K3, 1188