Anritsu MX269018A - Page 129

3.9 Audio Analyzer Function
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3
Measurement
3.9.1.1 Setting AF Frequency Reference
This section describes the settings for AF Frequency Reference. Press
(AF Frequency Reference Setting) in the Audio Analysis function menu to
display the AF Frequency Reference function menu.
AF Frequency Reference
■
Summary
Sets whether to refer to reference frequency. When set to On, AF
Frequency displayed in AF Measure Result changes to AF Freq.
Error (relative value to reference).
■
Options
On Refers to reference frequency.
Off Does not refer to 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 of AF Freq. Error (relative value to reference)
displayed in AF Measure Result.
Enabled when AF Frequency Reference is set to On.
■
Options
ppm Displays a value relative to the reference
frequency in ppm.
% Displays a value relative to the reference
frequency in %.
delta Displays a value relative to the reference
frequency in delta (Hz).
AF Level
■
Summary
Sets the AF Level display format.
■
Options
Tone Displays the peak frequency level (rms).
Total Displays the level of the total bandwidth (rms).