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Spectrum Analyzer Mode Key Descriptions
Spectrum Analyzer Mode Functions
FFT OFF
exits the FFT mode and menus, returning the analyzer to
normal operation.
Front-Panel Key Access
(-1
FFT STOP
FREQ
allows the user to enter the stop frequency for the desired
FFT span. This sets the analyzer sweep time by the
relationship:
FFT stop freq = 400
/
(sweep time x 2)
NOTE
When using the
FFT
stop frequency function, the knob and step key increments are not optimal for
positioning the signal. To use the knob or step keys to position the signal, select sweep time as the
active function.
Front-Panel Key Access
(jjj
FINE
TIBG
DAC
displays the output of the YTO fine-tune DAC, which is
produced on the
A7
Analog Interface assembly. This is a
service diagnostic function and is for service use only.
Front-Panel Key Access
ICAL)
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