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Step 4Fast calibration
You will need a “function generator” program, i use “FG Lite” (on download page). Connect and power-up analyzer, sound connect to line-out of your pc card, ground to Agnd. Attention – grounds can not be connected together! Function generator set to sine, frequency about 400Hz, gain at about 80%.
Left potentiometer set so that was leaning out just one bar (eventually two, depends on frequency), highest as possible. If gain be too large, you will see other leaning out bars – this is bad. Now, change generator frequency to 10KHz, and right potentiometer set in the exactly same way. Done.
Left potentiometer set so that was leaning out just one bar (eventually two, depends on frequency), highest as possible. If gain be too large, you will see other leaning out bars – this is bad. Now, change generator frequency to 10KHz, and right potentiometer set in the exactly same way. Done.
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