The Thumbnail is a secondary view of the enroute chart that enables you to quickly navigate to a specific location in the main chart view. The blue box in the Thumbnail graphic represents the area displayed in the Enroute Charts View.
To show (or hide) the Thumbnail, do either of the following:
Click the Thumbnail button on the Chart toolbar.
Select (or clear) View > Thumbnail.
Press CTRL+E.
To change the area displayed on the enroute chart using the Thumbnail, do either of the following:
Point to edge of the box. The mouse pointer changes to a four-way arrow. Drag the box to a different place on the chart.
Point to the corner of the box. The mouse pointer changes to a double diagonal arrow. Drag the box larger or smaller.
The Enroute Charts View displays the area inside the repositioned thumbnail box.
To zoom in and out in the thumbnail, do one of the following:
Right-click inside the thumbnail and choose Zoom In, Zoom Out, or Full Zoom Out.
Zoom in by drawing a zoom box. For additional information, see Drag Zoom.
The thumbnail can display a separate enroute chart theme than what is displayed in the main Enroute Charts View. To change the theme:
Right-click inside the thumbnail and choose Vector Chart Theme.
Select a theme.
To customize the enroute chart within the thumbnail:
Right-click inside the thumbnail and choose Properties.
Customize the enroute chart using the available tabs. See Customizing the Enroute Chart Themes, Chart Projections, and Enroute Chart View Filters for additional information.