
13. Sweep, DAC, and Main Coil Driver Adjustments
73. Use signal generator TUNING control to vary signal generator
output frequency
flO0
MHz (from frequency in step 70) in 1 MHz
steps. Readjust
A19R43
25
GHz
SPAN slightly as necessary so that
amplitude of displayed signal peak varies less than 3
dB
over
entire
flO0
MHz range bracketing band overlap point.
74. Key in
(SHIFT),
[PRESEL
PEAK)=.
75. Verify that jumper between
A12TP2
and
A12TP3
(Lock Indicator
Disable) has been removed. Replace RF Digital Section cover over
Al2 through Al6 assemblies.
Adjustments 3-125
Commentaires sur ces manuels