Commands Listed in Alphabetical Order
End—endvaluei
n percent of record
Focus — focus value in percent of record
X value — horizontal value of the focus point in the mark’s waveform units
Y value — vertical value of the focus point in the mark’s waveform units
Delta X value — difference from the Reference Marker.
Delta Y value — difference from the Reference Marker.
If no user t
ime marks have been set, the query returns
NONe,0.0E0,0.0E0,0.0E0,0.0E0,0.0E0,0.0E0,0.0E0.
Examples
SEARCH:SPECTral:LIST? might return
RF_NORMAL,50.2000,50.2000,50.2000,100.0000E+6,3.6624,0.0E+0,0.0E+0;
RF_NORMAL,70.2000,70.20
00,70.2000,200.0000E+6,-45.7444,0.0E+0,0.0E+0;
RF_NORMAL,90.2000,90.2000,90.2000,300.0000E+ 6,-43.6428,0.0E+0,0.0E+0
This indicates that the markers automatically mark three peaks on the RF Normal
trace. Each marker is delineated by a semicolon. The values that follow each
RF_NORMAL record are Start, End, Focus, X value, Y value, Delta X value,
Delta Y value, respectively.
SELect? (Query Only)
Queries which waveforms are displayed.
Group
Vertical
Syntax
SELect?
Examples
SELECT?? might return the following
:SELECT:BUS1 0;BUS2 0;CH1 1;CH2 0;CH3 0;CH4 0;MATH 0;REF1
0;REF2 0;REF3 0;REF 4 0;CONTROL CH1
SELect:{BUS<x>|B<x>}
This command turns on and off the display of the waveform for <x>, where x is
the bus number 1-4, 1-3 for the MDO4000C and 1-2 for the MDO3000. The
query returns whether the channel is on or off but does not indicate whether it is
the specified waveform.
2-754 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
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