3 Short-Range Comms & IoT Mode
3.10 Spurious Emissions Measurement
Remote Command
[:SENSe]:FREQuency:CENTer:STEP[:INCRement] <freq>
[:SENSe]:FREQuency:CENTer:STEP[:INCRement]?
Example Increase the current center frequency value by 500 MHz:
:FREQ:CENT:STEP 500 MHz
:FREQ:CENT UP
Notes Preset and Max values depend on Hardware Options
Dependencies Not available in MSR, LTE-A FDD/TDD and 5G NR Modes
If the electronic/soft attenuator is enabled, any attempt to change the value of the center frequency
>3.6 GHz by pressing the Up-arrow key, fails and results in an advisory message. If the equivalent
SCPI command is sent, this same message is generated as part of a “-221, Settings conflict” warning
Couplings When auto-coupled, CF Step size is set to 10% of Range
Preset Auto
State Saved Saved in instrument state
Min/Max –/+ (the maximum frequency of the instrument)
That is, 27 GHz max freq instrument has a CF Step range of +/- 27 GHz. Note that this is the maximum
frequency, given the current settings of the instrument, so in External Mixing, for example, it is the
maximum frequency of the current mixer band
Status Bits/OPC
dependencies
non-overlapped
Auto Function
Remote
Command
[:SENSe]:FREQuency:CENTer:STEP:AUTO OFF | ON | 0 | 1
[:SENSe]:FREQuency:CENTer:STEP:AUTO?
Example
:FREQ:CENT:STEP:AUTO ON
:FREQ:CENT:STEP:AUTO?
Preset
ON
3.10.7 Marker
Accesses a menu that enables you to select, set up and control the markers for the
current measurement. If there are no active markers, Marker selects marker 1, sets
it to Normal and places it at the center of the display. If the selected marker is Off, it
is set to Normal and placed it at the center of the screen on the trace determined by
the Marker Trace rules.
3.10.7.1 Select Marker
Specifies the selected marker. The term “selected marker” is used throughout this
document to specify which marker will be affected when you change marker
settings, perform a Peak Search, etc.
Short Range Comms & IoT Mode User's &Programmer's Reference 1417
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