4 GPSMAP ® 4000/5000 Series Owner’s ManualGettInG StartedGettInGstarted Using Simulator ModeSimulator Mode turns the GPS receiver off for use indoors or for practice. The unit does not tracksatellites in simulator mode.CAUtION: Do not try to navigate using Simulator Mode because the GPS receiver is turned off.Any satellite signal strength bars shown are only simulations and do not represent the strength ofactual satellite signals.To turn on Simulator Mode1. From the Home screen select Configure > System > Simulator > On.2. Select Setup to set speed, track control, position, simulator time, and simulator date.Understanding the Home ScreenUse the Home screen to access all other screens. Press or touch HOME from any screen to return tothe Home screen.NOtE: Options on this screen vary based on the unit type. When you add additional hardware toyour Garmin Marine Network, additional options appear.GPSMAP 4008/4012 Home Screen GPSMAP 5008/5012 Home ScreenCharts—access Navigation, Mariner’s Eye, Mariner’s Eye 3D, Fish Eye 3D, Fishing Chartsand Radar Overlay charts (page 5).NOtE: Mariner’s Eye 3D, Fish Eye 3D, and Fishing Charts are available only if you use aBlueChart g2 Vision SD card.Radar—set up and view radar (page 35).Sonar—access sonar information (page 39).Combinations—set up the screen to view a chart, sonar, radar, and video in a two or three(GPSMAP 4008/4012), or four (GPSMAP 5008/5012) field split screen (page 16).Where to—access navigation features (page 18).Information—view information including tides, currents, celestial data, user data,information about other boats, gauges, and video (page 24).Configure—access unit and system settings (page 29).Mark—mark, edit, or delete your current location as a waypoint or MOB(GPSMAP 5008/5012).Man Overboard—navigate to a Man Overboard location (GPSMAP 5008/5012).•••••••••