[hpsdr] Mac/WinXP with Janus/Ozy question

[Joe Martin K5SO]

Gentlemen,

I'm fairly new to SDR, although I do use the SDR-14/SpectraVue combo  
at my QTH for radio astronomy.  I  am currently trying to  to get some  
of the HPSDR hardware and software up and running here and I am not  
understanding a fundamental aspect of what to expect from the Atlas/ 
Janus/Ozy combination, I think.  Perhaps someone here wouldn't mind  
taking the time to straighten me out a bit?

I obtained the Altas/Janus/Ozy/Penelope boards at Dayton a few days  
ago with the intention of running PowerSDR under Win XP on a hard  
drive partition of my MacBook Pro laptop (with Mercury too, of course,  
when it becomes available).  In the past day or so I have assembled  
and tested the Atlas board, have downloaded and installed the USB  
driver software, and downloaded and installed the firmware for Ozy, as  
described in the "Janus and Ozy: Operation with PowerSDR" manual and  
have the PowerSDR program up and running on my Win XP laptop partition.

I am able to successfully run the initozy.bat file to initialize Ozy  
and I do get the alternately flashing LEDs 9 and 10 with LEDs 5-8  
illuminated, as described in the manual, after running initozy.bat.   
With no inputs to the Janus board I/Q port, I am trying to test the  
Janus/Ozy functionality by running PowerSDR set for a Softrock rf  
board at 7.056 MHz without any Softrock board actually being present.

On the panadapter display of PowerSDR I see baseline noise at about  
-135dB on the display with a small (-127 dB) signal peak at 7.056MHz  
but I don't seem to be able to get any audio to come out of my  
internal laptop speaker, no matter what combination of settings on the  
Setup/Audio tab  I use in PowerSDR.

I am able to hear the audio in headphones if I plug directly into the  
Janus board audio output jack/port (#7).  I was expecting (perhaps an  
incorrect expectation on my part?) that the Janus audio output would  
be passed through the Ozy board USB connection to the PC then to the  
soundcard in the Mac laptop to enable audio to be heard from the  
internal speaker of the laptop.

My question is this:

Should I be able to hear the Janus audio on my Mac laptop computer  
speaker or is the principal audio output for the Atlas/Janus/Ozy combo  
supposed to only be taken from the jack/port #7 on the Janus board?

Joe K5SO