Anritsu MX269018A - Page 74

Chapter 3 Measurement
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3.4.3.1 Setting AF Frequency Reference
This section describes the settings for AF Frequency Reference. Press
(AF Frequency Reference Setting) on the Modulation Setting Function
menu to display the AF Frequency Reference Function menu.
AF Frequency Reference
■
Summary
Sets whether to refer to the reference frequency. When set to On,
AF Frequency displayed in AF Measure Result (TX-AF) changes to
AF Freq. Error (value relative to the reference).
■
Options
On Refers to the reference frequency.
Off Does not refer to the reference frequency.
AF Reference Frequency
■
Summary
Sets the reference frequency.
Enabled when AF Frequency Reference is set to On.
■
Setting range
20 Hz to 60 kHz
AF Frequency Reference Unit
■
Summary
Sets the unit for AF Freq. Error (value relative to the reference)
displayed in AF Measure Result (TX-AF).
■
Options
ppm Displays a value relative to reference frequency
in ppm.
% Displays a value relative to reference frequency
in %.
delta Displays a value relative to reference frequency
in delta (Hz).
AF Level
■
Summary
Sets the display type of AF Level.
■
Options
Tone Displays the peak frequency level (rms).
Total Displays the total band level (rms).