> For the complete documentation index, see [llms.txt](https://support.senterasensors.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.senterasensors.com/home/double-4k-sensor/double-4k.md).

# Double 4K

## User Guides

| [D4K Skyport User Guide](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsXdEQqpStQSLYBlNleOl%2Fuploads%2FL62YdzhmWR9KAxLhfXQm%2FDouble_4K_Skyport_Quick_User_Manual%20RevA.pdf?alt=media\&token=84351cd2-e19e-4f7b-9f13-155d38c17443)                  | User Guide for D4K Sensor                                                 |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------- |
| [Configuration File Guide](https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsXdEQqpStQSLYBlNleOl%2Fuploads%2FHvaajT7SxxqU0u2zRJS4%2F27057_Double4K_Skyport_Configuration_File_User_Guide_RevD.pdf?alt=media\&token=be12dd69-ac0a-4463-9ab9-932219802c7a) | User Guide for the Config.yml file in order to setup custom configuration |

## Downloads

<table data-header-hidden><thead><tr><th data-type="files">Files</th><th>Description</th></tr></thead><tbody><tr><td><a href="/files/XzOtQM20OYejy1oJ5yn2">/files/XzOtQM20OYejy1oJ5yn2</a></td><td>Link to download the Double 4K CAD assembly.</td></tr></tbody></table>

## Firmware

* [Updating Firmware](/home/double-4k-sensor/double-4k/double-4k-updating-firmware.md)
* [Firmware Release Notes](/home/double-4k-sensor/double-4k/double-4k-firmware-release-notes.md)

## Hardware

* [Hardware Overview](/home/double-4k-sensor/double-4k/double-4k-hardware-overview.md)

## Data Collection

* [Image Capture](/home/double-4k-sensor/double-4k/double-4k-sensor-image-capture.md)

## Processing

* [Processing in Pix4D](/home/double-4k-sensor/double-4k/double-4k-using-pix4d.md)
* [Double 4K Multispectral - NDVI and NDRE Calculations](/home/double-4k-sensor/double-4k/double-4k-multispectral-ndvi-and-ndre-calculations.md)
* [Double 4K NDVI/NDRE Sensor - NDVI and NDRE Calculations](/home/double-4k-sensor/double-4k/double-4k-ndvi-ndre-sensor-ndvi-and-ndre-calculations.md)

## Troubleshooting

* [Sensor Troubleshooting](/home/double-4k-sensor/double-4k/double-4k-sensor-troubleshooting.md)
* [Accessing the Diagnostics Web Pages](/home/double-4k-sensor/double-4k/double-4k-accessing-the-diagnostics-web-pages.md)

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[FAQS](/home/double-4k-sensor/double-4k/faqs.md)
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