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Adjustments
Lo Amplifier Bias Adjustments
7. If it appears that the YIG Tuned Filter assembly voltages are not
responding to adjustment, check the switch settings on the assembly for
current positions. The assembly in the A9 slot should have S1 set to
STD. The additional opt 002 assembly, the A8, should have S1 set to
ALT. (Note the location of S1 in the previous figure.)
HP 70427A/HP 70428A User's Guide 15-7
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