# :TRIGger:PWIDth:SOURce

:TRIGger Pulse Width Commands

- :TRIGger:PWIDth:MODE
- :TRIGger:PWIDth:POLarity
- :TRIGger:PWIDth:REND
- :TRIGger:PWIDth:RSTart
- :TRIGger:PWIDth:SOURce
- :TRIGger:PWIDth:WIDTh

## Command Syntax

    :TRIGger:PWIDth:SOURce  <trigger_source>

Where <trigger_source> can be:

- `CHANnel{N}` — 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

    :TRIGger:PWIDth:SOURce?

## Description

In the Pulse Width trigger mode (see `:TRIGger:MODE`), this command selects the Source. You can choose from one of the analog input channels.