GPSMAP® 6000/7000 Series Owner’s Manual 3Getting StartedTurning On the ChartplotterPress and release the Power key.Turning Off the ChartplotterPress and hold the Power key.Initial Chartplotter SettingsThe first time you turn on the chartplotter, you must configure a series of initial settings. These settings mustalso be configured when restoring original factory settings (page 119). Each of these settings can be updatedlater. Follow the on-screen directions.Note: To calibrate the water speed, you must have a speed-capable transducer connected to a GSD™ 22 or aNMEA 0183-capable water-speed sensor.GPS Satellite Signal AcquisitionWhen you turn on the chartplotter, the GPS receiver must collect satellite data and establish the currentlocation. When the chartplotter acquires satellite signals, the signal strength bars at the top of the Home screenare green . When the chartplotter loses satellite signals, the green bars disappear and a flashingquestion mark appears on the boat icon on the chart screen.For more information about GPS, visit the Garmin Web site at www.garmin.com/aboutGPS.Adjusting the Backlight1. From the Home screen, select Configure > System > Beeper/Display > Backlight > Backlight.2. Adjust the backlight:• Select Auto to allow the chartplotter to adjust the backlight automatically, based on ambient light.• Select Up or Down to adjust the backlight manually.Adjusting the Color Mode1. From the Home screen, select Configure > System > Beeper/Display > Color Mode.2. Select Day Colors, Night Colors, or Auto.