GPSMAP® 4000/5000 Series Owner’s Manual 3GettInG StartedGettInGstartedTo adjust the color mode:1. Press and release the POWER key.2. Select Color Mode.3. Select Day, Night, or Auto.Acquiring GPS Satellite SignalsWhen you turn the unit on, the GPS receiver must collect satellite data and establish its currentlocation. When the unit acquires satellite signals, the signal strength bars at the top of the Homescreen are green . When the unit loses satellite signals, the green bars disappear and theposition icon shows a flashing question mark.For more information about GPS, visit the Garmin Web site at www.garmin.com/aboutGPS.Inserting and Removing SD CardsYour unit supports Secure Digital (SD) cards. Insert optional BlueChart® g2 Vision™ SD cards toview high-resolution satellite imagery, and aerial reference photos of ports, harbors, marinas, andother points of interest. Insert blank SD cards to transfer data such as waypoints, routes, and tracksto another compatible Garmin unit or a computer. The SD card slot is located on the bottom-rightcorner of the unit.To insert the SD card, open the access door and press the SD card in until it clicks. Press in again toeject the SD card.Card labelGPSMAP 4012 Card labelGPSMAP 4008/5008/5012Restoring Factory SettingsYou can restore your unit to the original factory settings.CAUtION: This procedure deletes any information you have entered.To restore factory settings:1. From the Home screen, select Configure > System > System Information.2. Select Factory Settings.3. Select Reset to restore all factory settings. Otherwise, select Back to cancel.Viewing System InformationYou can view your unit’s software version, basemap version, and unit ID number. You may need thisinformation to update the system software or purchase additional map data information.From the Home screen, select Configure > System > System Information.