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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
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Power Genius XL Utility v3.8.8 and the Power Genius XL Release Notes v3.8.8
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Fldigi Transmit Attenuation Setting
Ron K2RAS
Member ✭✭
I recently noticed the Fldigi Transmit Attenuation adjustment (at the bottom of the Fldigi window). Are there any recommendations on how this should be set for a Flex 6000?
Thanks, Ron
K2RAS
Thanks, Ron
K2RAS
0
Answers
-
Set it so that you do not overdrive the audio input radio.
Fldigi puts out a 0 dB level signal when there is no attenuation. This is too hot for some audio interfaces, but not DAX (the default setting of 50 with a 0 dB input signal will generate 100W when the PA drive is set to 100), as you have plenty of headroom in DAX to accommodate a wide range of audio input levels.
Use the default settings, don't overdrive the input (-5 dB on peaks is good) and set your power level appropriate for the digital mode you are operating.0
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