Keysight N9915-90020 User’s Guide 775
System SettingsFUTURE
Utilities
2. To select the frequency extender head, use the numeric keypad,
arrows, or rotary knob to change the value.
3. Press Recall File
to make the highlighted head the current selection.
4. Press Freq Extnd ON OFF to ON to enable the frequency extender head.
When a compatible mode is enabled, all supported modes annotate Freq
Extnd at the bottom of the display. See also, step
8.
5. Optional: Press
High Sensitivity ON OFF OFF is selected for maximum span
(up to 6 GHz). Narrow is selected for lowest noise floor for a given RF input
(100 MHz). Default is OFF (maximum span – 6 GHz).
6. Optional: Press
Setup Corr Auto Edit SA when Auto is selected the default
corrections for a frequency converter head are automatically loaded
("...Default.csv"). These corrections are defaults for the specific head,
to improve nominal accuracy of the amplitude readings, but this accuracy
is not specified. Press Edit SA, when you want to view or edit the
corrections using the SA mode corrections. This state stops all
auto-loading of the default corrections. Refer to step
8.
The other non-SA supported modes do not allow viewing or editing of the
corrections, but they all share the same corrections.
Therefore, any manual changes to the corrections (using SA via Edit SA)
are then used by other supported modes (RTSA/IQA/OTA) as well.
7. Optional: Press
Apply Corr ON OFF
OFF is selected to not apply the default
nominal file corrections. Press to apply corrections for the Converter, all
supported modes will apply corrections and annotate "eCorr" in the left
panel. The corrections applied (regardless of mode) are either
default/nominal (if Auto loading was used) or custom/specific (if manual
editing Edit SA was used). Default is OFF.
8. Press Mode
> and then your preferred mode for testing.
— Optional: If you pressed Edit SA in step 6 above and want to display
and to edit a "*.csv" corrections file then:
— Press Scale/Amptd
> More > Corrections > OML
Converter then:
a. Converter
to enable/disable the frequency
converter corrections.
b. Edit Converter
to opens a corrections table of the
currently selected file (*.csv).
IMPORTANT! The softkey menu for editing of the frequency converter
correction files is only available when the FieldFox is in SA mode.
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