Connect-Tek USB-2 Dokumentacja Strona 227

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Commands Listed in Alphabetical Order
MEASUrement:
REFLevel:METHod
Species or returns the reference level units used for measurement calculations.
NOTE. this command affects the associated reference level parameter
for all MEAS
urements:IMMed and the eight periodic measurements.
To change the parameter for individual measurements, use the
MEASUrement:MEAS<x>:REFLevel commands.
Group
Measurement
Syntax
MEASUrement:REFLevel:METHo d {ABSolute|PERCent}
MEASUrement:REFLevel:METHo d?
Arguments
ABSolute species that the reference levels are set explicitly using the
MEASUrement:REFLevel:ABSolute commands. This method is useful when
precise values are required (for example, when
designing to published interface
specications, such a s RS-232-C).
PERCent species that the reference levels ar
e calculated as a percent
relative to HIGH and LOW. The percentages are dened using the
MEASUrement:REFLevel:PERCent commands.
Examples
MEASUREMENT:REFLEVEL:METHO D ABSOLUTE species that explicit
user-dened values are used for the reference levels.
MEASUREMENT:REFLEVEL:METHO D? might return
:MEASUREMENT:REFLEVEL:METH OD PERCENT indicating that the reference
level units used are calculated as a percent relative to HIGH and LOW.
MEASUrement:REFLevel:PERCent:HIGH
Sets or returns the percent (where 100% is equal to HIGH) used to calculate the
high reference level when MEASUrement:REFLevel:METHod is set to Percent.
This command affects the results of rise and fall meas urements.
NOTE. This command affects the associated reference level parameter for all
MEASurements:IMMed and the four periodic measurements.
Group
Measurement
MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual 2-211
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