# External Devices

<figure><img src="/files/rx2ZbwPQglCh56uJ96h8" alt=""><figcaption><p>Atlas Window - Showing 2 external devices with ETC EOS being temporarily disabled from outputting OSC</p></figcaption></figure>

#### External Devices

External devices can be enabled / disabled per device in the toolbar.  A red boundary around a device indicates the device is disabled.&#x20;

This function can also be controlled via OSC [(OSC Library)](/glossary/atlas-controls.md)

{% hint style="danger" %}
Atlas requires a [license](/installation-licensing-and-requirements/licensing.md) to output OSC
{% endhint %}


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