Download capturesight.ovl and place it in the /switch/.overlays directory on the SD card.
Using CaptureSight
Start a supported Pokémon game, like Sword/Shield or Brilliant Diamond/Shining Pearl.
Press L + D-pad Down + Click in right joystick to toggle the Tesla Menu overlay.
Open the CaptureSight overlay.
Troubleshooting
dmnt:cht is not running
If you see this error, you are not using Atmosphere (the Custom Firmware) or it is not installed correctly. Follow this guide to update Atmosphere to the latest version.
No cheat process! Is a game running? Is something else using dmnt:cht?
Make sure to launch the game first before trying to run CaptureSight. Check that you are not using sysbot-base, as these cannot run together due to conflict.
Unsupported game update!
Updating the game to the latest version should fix this error. This error can also occur if CaptureSight is not updated to the latest game version.
Unsupported game! Title Id: <title_id>
You are not using a game that CaptureSight supports. The supported games are: