Node 17
1st
 IF (IF used for phase lock)
Vary the frequency and compare the results to the table below.
Entered Frequency 
Counter
 Reading
I
0.2 to 15.999 MHz same as entered
16MHzto6GHz
1MI-h
This node displays the IF frequency (see node17) as it enters the All phase lock
assembly via the 
A4
 R sampler assembly. This signal comes from the R sampler
output and is used to phase lock the source.
sg6271
 
d
Figure 10-13. Counter Readout Location
1 O-38
Service Key Menus and Error Messages