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Chapter 6 185
Analog Measurements - Screens and Control Fields
Control Fields for Analog Measurements
Control Fields for Analog Measurements
#Pts
This field sets the number of points to define or edit on the spectrum
analyzer’s mask. You can define up to 15 points on the mask.
See “Using the Spectrum Analyzer Mask” on page 115 for more
information about the spectrum analyzer mask.
Operating Considerations
The starting point of the mask is always the left graticule on the
display, and the end point is always the right graticule on the display.
To define a straight-line mask, set the number of points to 1. The
default mask is a straight line at the top of the display.
Screens on which this field is displayed
SPEC ANL: mask controls menu
AF Anl In
The audio frequency analyzer input selects the input for the analyzer.
When selected, this field displays a list of choices.
Signals can be analyzed from three different types of inputs:
• The output of the AM, FM, or SSB demodulators.
• The AUDIO IN, ANALOG MODULATION IN, and AUDIO OUT
connectors.
• The signal present at the AM or FM modulators for the RF
generator.
Operating Considerations
Changing this field changes the audio measurement (in the upper-right
of the screen) to correspond to the selected signal.
See “Selecting the Oscilloscope’s Input” on page 120 for more
information.
Screens on which this field is displayed
AF ANALYZER
SIGNALING DECODER (All Modes)