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Step 5: Adjust BIAS 1
– Slowly turn the BIAS1 pot on the AN1819 board until the current reaches 250 mA.
Anywhere from 235 – 250 mA is acceptable. If it goes above 260 mA, turn it down.
Pro-Tip: Nothing happens for a long time then the bias rises quickly, turn slowly, be patient.
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Step 6: Adjust BIAS 2
– Slowly turn the BIAS2 pot on the AN1819 board until the current reaches 250 mA
above the setting obtained in step 5.
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Step 7: Complete
– Press ‘EXIT’ to complete the settings.
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Step 8: Top Cover
– Install the top cover and fasten using #4-40 X ¼” black flat head screws.