# :FUNCtion:PARameters:BESSel:STEP

Bessel Paramters Commands

- :FUNCtion:PARameters:BESSel:BANDwidth
- :FUNCtion:PARameters:BESSel:IMPulse
- :FUNCtion:PARameters:BESSel:RTIMe
- :FUNCtion:PARameters:BESSel:STEP
- :FUNCtion:PARameters:BESSel:TFUNction

## Command Syntax

    :FUNCtionN:PARameters:BESSel:STEP {ON | OFF | 1 | 0}

Where N identifies one of up to 64 possible operators {1:64} that can be defined as part of a math function. The operators are numbered in the order that they were originally added to the function.

## Query Syntax

    :FUNCtion{1:64}:PARameters:BESSel:STEP?

## Query Response

    {1 | 0}

## Description

For the Bessel filter operator (`:FUNCtion:FOPerator`), this command turns on and off the Show Step Response option. When selected (on), the network is automatically loaded into the S-Parameter/Transfer Function Viewer and a step response chart is added.