# Omniscan 3D + NMEA Heading/Position
Go to 'Session Configurations' in SonarView:
Click 'Add Device' and add your Omniscan 3D to the devices list with the correct Protocol and IP address:
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The Omniscan 3D has an internal IMU, so Mounting Angle just affects how the boat looks in SonarView
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* Mounting Angle: Angle that the Omniscan 3D is mounted relative to the attitude source
* Mounting Offset: Position offset relative to the position source
Next, add your NMEA source as a Generic GPS Device with the URL:
Finally, add them both to a session. Your Session Configurations page should look something like this:
Once both the GPS and the Omniscan 3D are connected, your session will appear in Discovery, allowing you to connect.
