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SmartSDR v3.8.19 and the SmartSDR v3.8.19 Release Notes | SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
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SmartSDR v3.8.19 and the SmartSDR v3.8.19 Release Notes | SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
SmartSDR v1.12.1 and the SmartSDR v1.12.1 Release Notes
Power Genius XL Utility v3.8.8 and the Power Genius XL Release Notes v3.8.8
Tuner Genius XL Utility v1.2.11 and the Tuner Genius XL Release Notes v1.2.11
Antenna Genius Utility v4.1.8
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Unable to Decode/ Get Clean Traces on Digital Modes PSK RTTY
Jay -- N0FB
Member ✭✭
Since I got my 6300 and have worked through (most) my RF in the shack issues, I have been having a bunch-o-fun playing radio again. Thanks Flex! I am having difficulty getting clean traces and reliable digital mode decoding. I am using FLDIGI on Windows 7 64-bit (running virtually within Parallels 9 on OSX 10.9). I've been adjusting the DAX receive level slider in conjunction with the AGC Threshold slider. I'm certain I'm not understanding something very fundamental here. Is there a FlexRadio "Documented" procedure for adjusting DAX settings for optimum results? I love running digital modes and this one quirk that I just haven't been able to find the right combination. Thanks all in advance!
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Comments
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I have excellent results leaving DAX slider at 50% and adjusting the AGC-T for good contrast in the Fldigi waterfall.0
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Jay,
I do not operate much with Fldigi, but when I do, I do sort of the opposite of Robert. For any digital mode, I turn AGC off and leave AGC-T at 50%. I then adjust the DAX slider for a good Fldigi waterfall without overdriving Fldigi or without exceeding 0 Db on my Flex 6700 level meter. I have had good results doing it this way, but Robert's way may be equally good or better.
Ed, K0KC
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Jay - there have been a few reports of the DAX drivers not working cleanly in a virtual machine environment. Make sure you have sufficient resources dedicated to DAX as it is a real-time audio process.0
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Tim, my iMac is a 4 Core 3.5Ghz P7. I've dedicated 2 cores and 4 GB of RAM to Parallels 9. Could you specify what "sufficient resources" are, and I'll make the appropriate remediations.
Thanks for the help! Much appreciated!
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Jay - I do not have any actual hands on experience running SmartSDR under Parallels as it is not an officially supported configuration by FlexRadio. I am just relating some of the feedback that I have seen on the Community where not optimizing Parallels for
I did see where Sergey RA3AJK posted that running DAX in a VM didn't work very well for him. I did not see where a suggestion from the Community mitigated his performance issues.
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Gotcha! Thanks for your help anyway.0
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Even though VM is in the middle, it is still operating the windows OS. This makes all the configs available. You still need to optimize the OS for speed by getting rid of unneeded video affects and features. The other area is setting up the data rates of the audio streams as described in other areas of these posts to be even multiples of the base data rates. I think if you do this that there would be an improvement in performance overall when running a VM application for SmartSDR or even PowerSDR.0
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