:DIFF:TBASe:RFALl:METHod

:DIFF Threshold Commands

Command Syntax

:DIFFN:TBASe:RFALl:METHod  {AUTO | ABSolute}

Where N identifies a specific differential waveform in the form "<connection1-8>_<ch1|ch3|ch5|ch7>". With connection 1, the connection number part (that is, "1_") is optional, and you can simply use the channel number "<ch1|ch3|ch5|ch7>". When two channels are paired to create a differential waveform and a common-mode waveform, the odd-numbered channel is used when specifying the waveform. For example, connection 5 differential waveform 3 (from the pairing of channels 3 and 4) is DIFF5_3.

Query Syntax

:DIFFN:TBASe:RFALl:METHod?

Description

For the indicated differential waveform, selects the method used to define the waveform top and base definitions. The command is equivalent to setting the signal's Top-Base Definition in the Thresholds > Rise/Fall tab of the Configure Measurements dialog box.

AUTO
Specifies that the top (100%) and base (0%) levels be automatically determined using a histogram of the signal's amplitude values. This is the default setting.
ABSolute
Allows you to enter absolute values for the top-base levels. When ABSolute is selected, use the :DIFF:THReshold:RFALl:TOP and :DIFF:THReshold:RFALl:BASE commands to enter the signal's top and base levels.

Example Command Sequence

:DIFF3_1:THReshold:RFALl:TRACking OFF
:DIFF3_1:TBASe:RFALl:METHod ABSolute
:DIFF3_1:THReshold:RFALl:BASE -125E-3
:DIFF3_1:THReshold:RFALl:TOP 125E-3