3 VMA Mode
3.2 Custom OFDM Measurement
Example
:DISP:OFDM:WIND3:X:COUP ON
Do the X auto scale for the third window
:DISP:OFDM:WIND3:X:COUP?
Query the X auto scale state of the third window
Couplings When this is ON, pressing the front-panel Restart key activates the scale coupling function, that
automatically determines scale per division and reference values based on the measurement results.
When you set the value of either "X Width" on page 553 or "Ref Value" on page 554 manually, Auto
Scaling is automatically set to OFF
Preset ON
State Saved Yes
Range On | Off
3.2.9.3 Recording
Displays the Sample Rate, Sample Points and Sample Time of the saved IQ data file.
Recording and playback of signal data files is a multi-step process that involves
controls in several menus:
–
Save, Recording (under the Save hardkey or the Save icon in the File panel)
–
Recall, Recording (under the Recall hardkey or the Recall icon in the File panel)
–
Sweep, Recording (this tab)
–
Sweep, "Playback" on page 556
–
Input/Output, "Data Source" on page 2195
NOTE
A complete tutorial for Record/Playback functionality, including how to load and
save recording files, can be found in the help for the tab "Data Source" on page
2195 under Input/Output.
This menu includes the following display-only fields:
Sample Rate
Displays the sample rate of the saved IQ data file. If you have not saved an IQ data
file, the value is 0.
555 Vector Modulation Analyzer Mode User's &Programmer's Reference
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