Garmin nuvi 3790T Quick Start Manual - Page 7

Taking a Detour Before you can take a detour, you must be navigating a route. 1. Touch to return to the Main menu. 2. Touch Detour. If the route you are currently taking is the only reasonable option, the device might not calculate a detour. Adjusting the Screen Brightness 1. Touch Tools > Settings > Display > Brightness. 2. Touch and move the scroll bar to adjust screen brightness. About the Transportation Modes Orienting the Screen Rotate your device to view in horizontal (landscape) or vertical (portrait) mode. Pedestrian Bicycle Automobile Your device has different transportation modes for navigation. Routing is calculated differently based on your transportation mode. For example, in Pedestrian transportation mode with cityXplorer™ maps loaded, your unit calculates a route that uses a combination of public transit options, such as riding a bus or subway, and nüvi 3700 Series Quick Start Manual