# :FUNCtion:THReshold:GENeral:HYSTeresis

:FUNCtion Threshold Commands

- :FUNCtion:TBASe:GENeral:METHod
- :FUNCtion:TBASe:RFALl:METHod
- :FUNCtion:THReshold:GENeral:AUTO
- :FUNCtion:THReshold:GENeral:BASE
- :FUNCtion:THReshold:GENeral:COPY
- :FUNCtion:THReshold:GENeral:HYSTeresis
- :FUNCtion:THReshold:GENeral:LOWer
- :FUNCtion:THReshold:GENeral:METHod
- :FUNCtion:THReshold:GENeral:MIDDle
- :FUNCtion:THReshold:GENeral:PAM:ASLevels
- :FUNCtion:THReshold:GENeral:PAM:ASTHresholds
- :FUNCtion:THReshold:GENeral:PAM:PAMLevel:LEVel
- :FUNCtion:THReshold:GENeral:PAM:THResholds:EYE
- :FUNCtion:THReshold:GENeral:PLOWer
- :FUNCtion:THReshold:GENeral:PMIDdle
- :FUNCtion:THReshold:GENeral:PUPPer
- :FUNCtion:THReshold:GENeral:STZero
- :FUNCtion:THReshold:GENeral:TOP
- :FUNCtion:THReshold:GENeral:TRACking
- :FUNCtion:THReshold:GENeral:UPPer
- :FUNCtion:THReshold:RFALl:BASE
- :FUNCtion:THReshold:RFALl:COPY
- :FUNCtion:THReshold:RFALl:LOWer
- :FUNCtion:THReshold:RFALl:METHod
- :FUNCtion:THReshold:RFALl:PAM:ASLevels
- :FUNCtion:THReshold:RFALl:PAM:PAMLevels:LEVel
- :FUNCtion:THReshold:RFALl:PLOWer
- :FUNCtion:THReshold:RFALl:PUPPer
- :FUNCtion:THReshold:RFALl:TOP
- :FUNCtion:THReshold:RFALl:TRACking
- :FUNCtion:THReshold:RFALl:UPPer

## Command Syntax

    :FUNCtionN:THReshold:GENeral:HYSTeresis   <plus_or_minus_value>

<plus_or_minus_value> is a double.

Where N identifies one of sixty four {1:64} math functions that you can create. For example, `:FUNCtion2`.

## Query Syntax

    :FUNCtionN:THReshold:GENeral:HYSTeresis?

## Description

When the `:FUNCtion:THReshold:GENeral:METHod` setting is `HYSTeresis`, this command sets the user-defined ±hysteresis value for the waveform source.

Use the `:FUNCtion:THReshold:GENeral:MIDDle` command to enter the center threshold level.

## Example Command Sequence

    :FUNCtion3:THReshold:GENeral:TRACking OFF
    :FUNCtion3:THReshold:GENeral:METHod HYSTeresis
    :FUNCtion3:THReshold:GENeral:HYSTeresis 125E-3
    :FUNCtion3:THReshold:GENeral:MIDDle 0E0