To change settings for your monitor, there’s only one place to do it: the Displays System Preferences panel in the Hardware category. This panel is a bit unusual in that it can change drastically depending on what type of monitor is connected to your system. Users of Apple’s CRTs see geometry information for adjusting image tilt, size, and so forth. The exact panel display depends on the monitor type. Those who have more than one monitor can arrange the monitors’ location on the desktop and choose where the menu bar appears.
To access your Display tab settings, open the Displays panel of System Preferences. Here you can see the basic settings for your monitor—color depth and resolution—as shown in Figure 17.1. What you see might vary slightly depending on the type of monitor you’re using.