# Appendix 6 – Setting up a digital trigger in ReXgen

Create a new configuration as per your requirement

Add a Digital channel to the configuration.

<figure><img src="/files/US1c7eLpkh0ZgUxZ8LFY" alt=""><figcaption></figcaption></figure>

Configure the trigger.

Click on Triggers >> New Trigger, Select Trigger Action as Start Logging, and click Next.

<figure><img src="/files/jgJCBYM6FBTP5HnjCtFv" alt=""><figcaption></figcaption></figure>

Enter the trigger action settings;

Log time (If required), Pre-trigger time and Debounce, then click Next

<figure><img src="/files/DN8wUV8yk1a50Ajc18CK" alt=""><figcaption></figcaption></figure>

Choose Trigger Type as Digital Channel

<figure><img src="/files/lPdeGkiJsPKwyKei5ci9" alt=""><figcaption></figcaption></figure>

By default, Digital Channels will be 1, and you need to wire the switch between Digital PIN and the GND and choose the condition as falls or changes.

<figure><img src="/files/YKlKh1bF0BZTNM2RvCgn" alt=""><figcaption></figcaption></figure>

Click Next, and save the trigger.

Send the configuration to the logger.

The logger will start buffering the data for the duration of the pre-log time given; when the trigger becomes true, it starts writing the data for the given log duration or continuously as per your settings.

### The Digital and Analog Port:

<figure><img src="/files/83MheWwDX9jdAix7EsMy" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/AvniwQ84feMEUGz4hYEg" alt=""><figcaption></figcaption></figure>


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