# Source error management

| Parameter                             | Description                                                                                                                |
|---------------------------------------|----------------------------------------------------------------------------------------------------------------------------|
| Switch on ES data loss                | Switch to backup source if video or audio is lost.                                                                        |
| Delay                                 | The amount of time between the video or audio loss and the switch to the backup source.<br>Needs to be defined if **Switch on ES data loss** is activated. |
| Slate if no source at start           | Display an image when live input is not yet detected. The replacement image can be defined in Video processing>Freeze frame management section (Media Processing tab). |
| Default frame rate                    | Default frame rate used when live input is not yet detected.<br>Needs to be defined if **Slate if no source at start** is activated.