You can set the display size for the currently displayed dashboard. Set the zoom factor to improve the legibility of a dashboard.
The option is only available in fixed-grid dashboards. See Switch to fixed-grid workspace for details.
Procedure
Create a dashboard or open a dashboard in the dashboard editor.
Click Options in the dashboard main menu.
Click Zoom In to increase the display size.
Click Zoom Out to decrease the display size.
Click Set Zoom to 100% to restore the default display size.
The display size of the current dashboard is adjusted accordingly.