# Before Flight Checklist

SD card check:

* Camera SD card
* Gimbal SD card

Check the HDMI connection

<figure><img src="/files/lCfh8qmf6149BLW0I0bD" alt=""><figcaption></figcaption></figure>

* Check the Pixy MR payload on the M300/M350 RTK Remote:
  * Payload Status (1)
  * SD card connected (2)

<figure><img src="https://docs.gremsy.com/~gitbook/image?url=https%3A%2F%2F3309772875-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FnikHUDUd2JXqkOsnOi7l%252Fuploads%252FjiJ44AZQbSxagagXIZcP%252FScreen%2520Shot%25202022-08-19%2520at%252017.00.03.png%3Falt%3Dmedia%26token%3Da13863bb-b8b8-42e9-9484-2b44b2fa5ed8&#x26;width=768&#x26;dpr=4&#x26;quality=100&#x26;sign=b25e0635&#x26;sv=1" alt=""><figcaption></figcaption></figure>

* Check Map Route
* Start mission
* Power OFF M300/M350 RTK
* Power OFF camera
* Post-process flight data


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