[Elecraft] 5.66 Line Out Problem

[Randy Farmer]

I just fired up the K3S to do a little listening in the WPX RTTY 
contest. I noticed that the line level signal being piped from the radio 
to the sound card (microHAM MK2R+ Audio Codec) was changing as I 
manipulated the radio audio gain control. I checked and the LIN OUT was 
set to NORMAL. Toggling it to =PHONES made no difference. It appears the 
LIN OUT function is permanently stuck in the =PHONES mode. It's been a 
while since I've used the line output, but I know the line out level 
used to stay constant regardless of audio gain pot setting. I've 
recently updated to the 5.66 firmware, so could it be there's a problem 
in this function that's crept in somewhere in the last few FW releases? 
Has anyone else noticed this?

73...
Randy, W8FN