In the system tree, select the display you want to assign an icon to.
Right-click the display and choose Properties. The Properties dialog box appears.
Ensure the Enable Custom Icon Configuration check box is selected.
Click the Browse button to open the Select Image dialog box. You can browse only the AllUsers\images folder and sub-folders.
Locate and select the icon you want to assign to the display. Click the Select button.
Click OK on the Properties dialog box.
TIP: You can also assign a custom icon to a display with the Save As function (File menu | Save As). In addition, custom icons can be assigned to web links. For more information, see Creating a Web Link.