3 WLAN Mode
3.8 Power vs Time Measurement
size function is useful for finding harmonics and sidebands beyond the current
frequency span of the analyzer.
Note that the start and stop frequencies also step by the CF Step value.
Remote Command
[:SENSe]:FREQuency:CENTer:STEP[:INCRement] <freq>
[:SENSe]:FREQuency:CENTer:STEP[:INCRement]?
Example
:FREQ:CENT:STEP 500 MHz
:FREQ:CENT UP
increases the current center frequency value by 500 MHz
:FREQ:CENT:STEP?
Notes Preset and Max values are depending on Hardware Options (503, 507, 508, 513, 526)
Preset and Max values are dependent on Hardware Options (5xx)
Dependencies Span, RBW, Center frequency
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 in a non-zero span, the center frequency step size is set to 10% of the span.
When auto-coupled in zero span, the center frequency step size is set to the equivalent -3 dB RBW
value.
Preset Auto
State Saved Saved in instrument state
Min – (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.
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
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
3.8.6 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
1371 WLAN Mode User's &Programmer's Reference
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