:CHANnel:TBASe:RFALl:METHod

Command Syntax

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

Where N identifies a specific channel in the form "<connection1-8>_<ch1-8>". With connection 1, the connection number part (that is, "1_") is optional, and you can simply use the channel number "<ch1-8>". For example, connection 4 channel 2 is CHANnel4_2.

Query Syntax

:CHANnelN:TBASe:RFALl:METHod?

Description

For the indicated channel, 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 :CHANnel:THReshold:RFALl:TOP and :CHANnel:THReshold:RFALl:BASE commands to enter the signal's top and base levels.

Example Command Sequence

:CHANnel1_2:THReshold:RFALl:TRACking OFF
:CHANnel1_2:TBASe:RFALl:METHod ABSolute
:CHANnel1_2:THReshold:RFALl:BASE -125E-3
:CHANnel1_2:THReshold:RFALl:TOP 125E-3