Copyright Goodheart-Willcox Co., Inc. 50 AutoCAD and Its Applications—Advanced PROFESSIONAL TIP PROFESSIONAL TIP The viewport controls, displayed in the upper-left corner of the AutoCAD drawing window, are discussed in Chapter 1. These controls provide quick access to preset isometric and orthographic views and settings for the view cube, navigation bar, and steering wheels. Use the viewport controls whenever possible to increase your drawing effi ciency. Keep in mind that undocked palettes may hide the viewport controls. If this happens, either dock the palette or move it out of the way. Using the Navigation Bar to Using the Navigation Bar to Display Models Display Models By default, the navigation bar appears below the view cube on the right side of the screen. See Figure 3-2. It allows you to use the navigation tools described in this chapter, as well as the ZOOM and PAN commands and three orbit options. The NAVBAR command is used to turn on or off the display of the navigation bar. The navigation bar can be controlled using the viewport controls by selecting Navigation Bar in the Viewport Controls fl yout. You can also select the Navigation Bar button in the Viewport Tools panel of the View ribbon tab. The appearance and location of the navigation bar can be customized, as discussed later in this chapter. Figure 3-1. A—Hidden display (hidden lines removed). B—The Conceptual visual style set current. C—Rendered with lights and materials. A B C