Keysight Technologies FieldFox A Series, Руководство пользователя

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Keysight N9927-90001 User’s Guide 151
SA (Spectrum Analyzer) Mode
SA Mode Settings
— Then Radio Standard
— Then Radio Standard
— Then Import Radio Standards
— Then select the *.csv file using the arrows or rotary knob and press
Enter .
— Custom Radio Standards can be removed from the FieldFox by selecting
Measure 1 then Radio Standard then Delete Radio Standard .
— Then select the *.csv file to delete using the arrows or rotary knob and
press Enter .
Channel Selection
After a Radio Standard has been selected, the frequency range can be
changed by selecting channel numbers rather than frequency. Once enabled,
the channel number is appended to the X-axis frequency range.
How to Enable Channel selection
— Press Freq/Dist
— Then More
— Then Unit Freq Chan
With Unit = Chan , Channel Direction becomes available and CF Step alters to
Channel Step .
How to change the Channel Number of the Measurement
With Unit = Chan the FieldFox will NOT allow you to specify channels outside
of the selected Radio Standard.
— Press Freq/Dist
— Then choose from the following:
— Center Channel Places the center frequency of the specified channel
in the middle of the X-axis.
— Start Channel Places the lowest frequency of the specified channel at
the beginning of the X-axis.
— Stop Channel Places the highest frequency of the specified channel at
the end of the X-axis.
To overwrite a custom standard that is already uploaded to the FieldFox,
you must first delete the *.csv file from the FieldFox, then re-upload the file
that contains the standard. A predefined internal standard (such as GSM
450) can NOT be deleted from the FieldFox.