Display a small navigation map in 2D documents to help provide context in the full document.
In your open document, select Settings.
Click Navigation.
Scroll down to Minimap and select Show minimap.
Click the Settings icon or the X in the upper right corner to close the Settings dialog.
Click the X in the upper right corner to close the minimap.
Click and drag in the minimap dialog to highlight specific areas of your full-sized document.