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Where in the manual does it tell how to set the pre amplifiers on the 6600M.
KB4OIF
Member ✭✭
OK. I have read the manual and I can not find out how to set the pre amps on the 6600M. Can someone ref a page or explain it for me.
0
Answers
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Try Page 96 of this manual:
https://www.flexradio.com/downloads/maestro-user-guide-pdf/?wpdmdl=3133&refresh=5bf56a7b4ea88154...
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Click on ANT at the left hand side and see RF gain0
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Here is a response from Gerald on how to set the preamp. See this thread.
https://community.flexradio.com/flexradio/topics/6600-noise-levels-10db-higher-on-my-new-6600-vs-my-...1 -
Here is the process to optimize receiver sensitivity for your given operating conditions:
- Find a clear frequency on your VFO. Bandwidth doesn't matter.
- Disconnect the antenna - You can select an input with no connection like RXA or XVTA.
- Note the dBm reading with no antenna
- Connect the antenna
- Note the reading in dBm. This is where an accurate dBm calibrated S meter really counts. Ours is truly 6 dB per S unit and measures the actual receiver sensitivity in the selected bandwith.
- If the noise goes up about 8-10 dB, you have the optimal setting for the noise on your antenna given time of day and propagation.
- If the noise goes up significantly more than 10 dB, you have too much preamp gain, which will limit dynamic range for large signals. Reduce preamp gain.
- If the noise goes up much lest than 8 dB, increase preamp gain to get it close.
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ok. Thanks everyone. I knew that I had seen it before but could not remember how to do it.0
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