3 Spectrum Analyzer Mode
3.8 Spurious Emissions Measurement
Extend Low Band
The software maintains a Mode Global value called Extend Low Band.
Under the current sweep configuration crossing over two bands, when Extend Low
Band is turned ON, the instrument checks whether one band can cover the whole
sweep frequency range or not. If it can, then the instrument locks the band;
otherwise, it does nothing (the band crossover occurs).
This function does not work when Band Lock under System > Service > Lock
Functions is not -1 (no Band Lock). In that case, Band Lock takes priority over
Extend Low Band.
This function resets to OFF when "Restore Defaults" on page 2037 is pressed, or
when System, Restore Defaults, All Modes is pressed.
Remote
Command
:INSTrument:COUPle:FREQuency:BAND:EXTend 0 | 1 | ON | OFF
:INSTrument:COUPle:FREQuency:BAND:EXTend?
Example
:INST:COUP:FREQ:BAND:EXT 1
:INST:COUP:FREQ:BAND:EXT?
Preset Set to OFF by Global Settings > Restore Defaults and System > Restore Defaults > All Modes
Range
ON|OFF
Restore Defaults
Resets all functions in the Global settings menu to OFF. Pressing System, Restore
Defaults, All Modes has the same effect.
Remote Command
:INSTrument:COUPle:DEFault
Example
:INST:COUP:DEF
Backwards Compatibility
SCPI
:GLOBal:DEFault
3.8.9 Sweep
Accesses controls to configure and control the acquisition of data, and the X-axis
parameters of the instrument.
Depending on the selected mode and measurement, these controls might include:
Sweep Time, Continuous/Single, Pause/Resume, X Scale and Number of Points.
Spectrum Analyzer Mode User's &Programmer's Reference 1493
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