MDO3000 Programmer Manual.pdf - 第497页
Commands Listed in Alphabetical Order POWer:HARMon ics:DISpl ay:SELect This command specifies the harmonics to be displayed when the harmonics standard is NONe. Conditions This command requires a DPO4PWR applic ation modu…
Commands Listed in Alphabetical Order
Group
Power
Syntax
POWer:GATESOurce {CH1|CH2|CH3|CH4|REF1|REF2|REF3|REF4|NONe}
POWer:GATESOurce?
Arguments
CH1–CH4 sets an analog channel as the gate source.
REF1–REF4 sets a reference waveform as the gate source.
NONe is set when the gate source is not used in the application.
Examples
POWER:GATESOURCE CH1 sets the gated source as CH1.
POWER:GATESOURCE? might return POWER:GATESOURCE CH2 indicating that
CH2 is the gated source.
POWer:GATing
This command specifies the power application gating.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:GATing {OFF|SCRE en|CURSor}
POWer:GATing?
Arguments
OFF turns off measurement gating (full record).
SCREen turns on gating, using the left and right edges of the screen.
CURSor limits measurements to the portion of the waveform between the vertical
bar cursors, even if they are off screen.
Examples
POWER:GATING CURSOr sets cursor gating on the oscilloscope.
POWER:GATING? might return POWER:GATING OFF indicating that gating is
turned off on the oscilloscope.
2-466 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
POWer:HARMon
ics:DISplay:SELect
This command specifies the harmonics to be displayed when the harmonics
standard is NONe.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:DISplay:SELect {ODD|EVEN|ALL}
POWer:HARMonics:DISplay:SELect?
Arguments
ODD to display only odd harmonics.
EVEN todisplayonlyevenharmonics.
ALL todisplaybothoddandevenharmonics.
Examples
POWER:HARMONICS:DISPLAY:SELECT EVEN dis
plays only even harmonics.
POWER:HARMONICS:DISPLAY:SELECT? might return
:POWER:HARMONICS:DISPLAY:SELECT ALL in
dicating that both odd and
even harmonics are displayed.
POWer:HARMonics:DISplay:TYPe
This command specifies the display type for harmonics tests.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:DISplay:TYPe {GRAph|TABle}
POWer:HARMonics:DISplay:TYPe?
Arguments
GRAph displays harmonic tests results in graphical format.
TABle displays harmonic tests results in tabular format.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-467
Commands Listed in Alphabetical Order
Examples
POWER:HARMONI
CS:DISPLAY:TYPE GRAph
sets the display type to graphical.
POWER:HARMONICS:DISPLAY:TYPE? might return
:POWER:HARMO
NICS:DISPLAY:TYPE TAB
indicating that the display type is
set to tabular.
POWer:HARMonics:FREQRef
This comman
d specifies the frequency reference used when the harmonic standard
is None.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
Group
Power
Syntax
POWer:HARMonics:FREQRef
{VOLTage|CURRent|HARMSOURce|FIXEDFREQuency}
POWer:HARMonics:FREQRef?
Arguments
VOLTage to use a voltage waveform as the frequency reference.
CURRent to use a current waveform as the frequency reference.
HARMSOURce to use a harmonic source waveform as the frequency reference.
FIXEDFREQuency to use a fixed frequency value instead of a waveform for the
frequency reference.
Examples
POWER:HARMONICS:FREQREF VOLTage sets voltage source as the frequency
reference.
POWER:HARMONICS:FREQREF? might return : POWER:HARMONICS:FREQREF
FIXEDFREQ
indicating that the frequency reference is a fixed value.
POWer:HARMonics:FREQRef:FIXEDFREQValue
This command specifies the fr
equency value when the :FREQRef selection is
FIXEDFREQuency.
Conditions
This command requires a DPO4PWR application module for 4000 series models,
or an MDO3PWR application module for MDO3000 series models.
2-468 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual