When reviewing a switching sheet, you can focus on an asset in the Viewer window to better understand the conditions present in the area of the asset. To focus the Viewer window on the asset in a switching step, select a step on the Steps tab and then select the Focus button () on the Steps tab toolbar. The Viewer loads the appropriate map and focuses on the asset. The Focus button can also be used to focus the viewer on a group of assets. To focus the Viewer window on multiple assets, highlight multiple steps with different assets and click the Focus button. The Viewer will load the appropriate maps and highlights each asset in the viewer.