15. On the spectrum analyzer, set the center frequency for 676.003045 MHz.
16.
On the HP 8753E, press (Menu)
YmFY$$Q.
c-1
m.
17. Adjust the API4
(R47)
for a null (
minimum amplitude) on the spectrum
analyzer.
ln Case of
Difliculty
18. If this adjustment cannot be performed satisfactorily, repeat the entire
procedure. Or else replace the
Al3 board assembly.
Adjustments and Correction Constants
3-57
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