> For the complete documentation index, see [llms.txt](https://aerogcs-green-docs.aeromegh.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aerogcs-green-docs.aeromegh.com/8.-rpa-settings/8.2-spraying-system/8.2.1-spray-testing.md).

# 8.2.1 Spray testing

Users can test the spraying speed before the actual flight using this functionality. Tap on "**Spray testing**" from the main screen of the Spraying System Settings. The user will see the following screen. 

<figure><img src="https://3726973265-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEJHDgY5EjEXnZCA7cAxk%2Fuploads%2FrZd4mv5VjAke4AHHoFXq%2Fimage.png?alt=media&amp;token=afd59372-48b0-4e7a-8462-6cdfd2df9b9e" alt=""><figcaption><p>Spray testing</p></figcaption></figure>

Adjust the spraying percentage using the slide bar, then click the "**OK**" button to conduct a test run with the selected value. **Ensure that the tank is filled with liquid, and the pumps are turned on during this process.**