Copyright Goodheart-Willcox Co., Inc. 72 AutoCAD and Its Applications—Advanced Steering Wheel Settings The Steering Wheels Settings dialog box provides options for wheel appearance. See Figure 3-27. It also contains settings for the display and operation of several tools. It is displayed by selecting Steering Wheel Settings… in the steering wheel shortcut menu. Changing Wheel Appearance The two areas at the top of the Steering Wheels Settings dialog box allow you to change the size and opacity of all wheels. The settings in the Big Wheels area are for the full-size wheels. The settings in the Mini Wheels area are for the mini wheels. The Wheel size: slider in each area is used to display the wheels in small, normal, or large size. See Figure 3-28. The mini wheel has a fourth, extra large size. These sliders set the NAVSWHEELSIZEBIG and NAVSWHEELSIZEMINI system variables. The Wheel opacity: slider in each area controls the transparency of the wheels. These sliders can be set to a value from 25% to 90% opacity. The sliders control the NAVSWHEELOPACITYBIG and NAVSWHEELOPACITYMINI system variables. The appearance of the full wheel in three different opacity settings is shown in Figure 3-29. Appearance settings for mini wheels Appearance settings for full wheels Display features Zoom tool single click setting Rewind tool thumbnail settings Look and orbit options Figure 3-27. The Steering Wheels Settings dialog box provides options for wheel appearance and the display and operation of several tools. ZOOM PAN ORBIT REWIND CENTER WALK UP/DOWN LOOK ZOOM PAN ORBIT REWIND CENTER WALK UP/DOWN LOOK ZOOM PAN ORBIT REWIND CENTER WALK UP/DOWN LOOK Large Medium Small Figure 3-28. The size of a steering wheel can be set in the Steering Wheels Settings dialog box or by using a system variable.