To add cameras in Synergy, follow these steps:

1. Log in to your Synergy account and navigate to the Settings menu.
2. Look for the Camera Management section.
3. Click on the "Add Camera" button.
4. Enter the required information, such as camera name, type, and location.
5. Configure any additional settings specific to the camera, such as resolution and frame rate.
6. Save the changes to register the camera in the system.
7. Verify that the camera is functioning properly by checking the live feed.

Make sure to consult the Synergy user manual for any specific requirements or troubleshooting tips related to camera addition.