Location
- Navigation side bar:
- Left panel:
Thumbnails provide a visual aid on what the source displays. These thumbnails are a static snapshot of the content from the source at a random time. To update a thumbnail, click the refresh icon (
) of the desired source. Thumbnails are not visible outside of Event Master Toolset.
It is possible to overwrite the snapshot thumbnails to a custom image. For more information on how to set a custom thumbnail, see the following procedure.
Is the toggle button (reference 8) enabled?

Set the source view (reference 2, Image 8–107) of the left panel to (
).
Click on the thumbnail (reference 11) of the desired source in the left panel.

A pop-up window is shown.
Navigate to the location of the image and click open.
The image is shown in the thumbnail (reference 11, Image 8–108) of the source and in the central work area if the source is used.