Dave,

Do you have the transmit audio levels set correctly? The ALC meter should illuminate 4 bars during transmission with the 5th bar flickering. If that is not the case, increase the audio drive level (either soundcard settings or KX3 mic gain or both) until that condition is met.

73,
Don W3FPR

On 7/18/2013 8:30 PM, Esquer Dave wrote:
Hello again ELMERS,

(I appreciate all the help from the mail list, but I decided to standardize on 
Fldigi and my Macbook Pro … because this is what I am most comfortable with … I 
know there are other MAC HAM GURUS out there …)

I am trying to use Fldigi, a Macbook Pro, a Griffin iMic and my KX3 to talk 
PSK-31. With the help of you folks here, I have the receiving/decoding part of 
this process working. I am getting great decoding.

TRANSMITTING IS A FRUSTRATING DEAD-END.

My setup is cabled as follows:
ACC1 to the KX3SER Port connected. The KX3 Utility reports "usbserial-AD02DUIQ" 
at 4800 bps. Why I need this cable setup is beyond me, can someone explain the need?

My iMic is connected to the Macbook via USB port. The iMic switch is set to 'Mic". The headphones 
from the KX3 go to the "In" port and the KX3 Mic is connected to the "Out" port on 
the iMic.

The Macbook Input and Output levels for the iMic USB audio system are at 1/2 
level.

Playing with the ALC control, the Keyer/Mic is set to 3-4 level and the AF is 
set to 20. A nice waterfall appears and PKS-31 is decoded nicely.

Under Rig Control, I have experimented with both RigCat and hamlib settings, but I am 
TOTALLY lost here. I have downloaded the K3 RigCat xml file and Fldigi uses that file. In 
the RigCat and hamlib panels, the "Device" is the usbserial-AD02DUIQ mentioned 
above.

VOX is turned on and the TX light comes on at the beginning of a text 
transmission and off at the end.

PROBLEM:
The text appears in both the receiving and transmitting panels. The text shows 
up but the waterfall display stops, the text is sent and then the waterfall 
resumes. I get NO SIGNAL on the waterfall and therefore no TRANSMISSION.

This really shouldn't be that difficult. I am missing something major here … I will be 
happy to document my journey so that another Mac ham doesn't travel my 
"adventure"!

Lost in the bits,
HF Newbie Dave
K6WDE






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