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1013
Marker Function
Band/Interval Left
Sets the left edge frequency or time for the band of the selected marker. The right edge is unaffected.
It is legal to change the width of the band even if there is no marker function on. Generally this can only
happen by sending the SCPI command since access to the menu is restricted if no marker function is on.
In the table below, sweep_width = max(1,sweep_points–1) and sweep_points is the number of sweep
points, set in the
Sweep menu.
Example :CALC:MARK12:FUNC:BAND:SPAN 20 MHz sets the band span of marker
12 to 20 MHz
:CALC:MARK:FUNC:BAND:SPAN? queries the band span of Marker 1
Notes Units are those of the trace’s domain, Hz for frequency domain, s for time
domain.
Notes Sending this command selects the subopcoded marker
The unit of the parameter must match the current domain of the trace the
selected marker is on, or an invalid suffix error will be generated. If no unit is
sent the fundamental unit for the trace domain will be used (Hz for freq
domain traces, s for time domain traces).
Note that all the values provided in this table are only valid for frequency
domain traces. If the current domain of the trace is time domain, values and
unit will be different. In frequency domain, the Preset value is dependant on
the frequency range of the instrument. The default value 1.3245 GHz is
appropriate only if the instrument is a 26.5 GHz instrument (Option 526). In a
26.5 GHz Instrument, the default span is 26.49 GHz, so 5% of the span
corresponds to 1.3245 GHz.
Couplings Changing the Band/Interval Span necessarily changes the Band/Interval Left
and Band/Interval Right values
Band/Interval Span is set to 0 when the marker is turned off
Band/Interval Span is set to 5% of span when any marker function is turned on
if and only if it is zero at that time
Preset If 0, set to 5% of span, when a marker function is turned on
State Saved Saved in Instrument State
Min 0 Hz
Max Infinity. Unlike legacy analyzers, where the markers were forced to be on
screen, X-Series marker values are not limited and do not clip
Backwards Compatibility SCPI :CALCulate:MARKer[1]|2|3|4:X:SPAN
Initial S/W Revision Prior to A.02.00
Key Path
Marker Function, Band Adjust