n Refer to Chapter 7, “Source Troubleshooting,” if you cannot perform the
adjustment.
How to Set Up the Fractional-N Spur Avoidance and
FM Sideband Adjustment
1. Press
B
~~~:~~~,~~~~~~’
(where
X
is the sequence number).
2. Remove the upper-rear comer bumpers and the top cover, using a TORX
screwdriver.
3.
Follow
the directions on the analyzer display and make
alI
of the API
adjustments.
Sequence Contents
Sequence for the High/Low Band Transition Adjustment
--Sequence
HB~sets
the hi-band to low-band switch
point.-
PRESET
SYSTEM
SERVICE MENU
ANALOG
BUS ON
STARTllIWu
STOP 21 M/u
MEAS
ANALOG IN 22 xl
(Al2
GND)
DISPLAY
DATA>MEM
DATA-MEM
MEAS
ANALOG IN 23 xl (VCO TUNE)
MKR11IWl.l
SCALELREF
.l
xl
3-64 Adjustments and Correction Constants
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