GPSMAP 3206/3210 Owner’s Manual gettIng started > turnIng on the gPsMaP 3206/3210GettInGstartedTurning on the GPSMAP 3206/3210Before you turn on the GPSMAP 3206/3210, make sure the unit and GPS 17antenna are correctly installed on your vessel according to the instructions in theGPSMAP 3206/3210 & GPS 17 Installation Instructions.The first time you turn on the GPSMAP 3206/3210 and GPS 17 antenna, thereceiver must collect satellite data and establish its current location. To ensureproper initialization, the GPSMAP 3206/3210 is shipped from the factory inAutoLocate mode.To turn on the GPSMAP 3206/3210:1. Press and hold the POWER key until the unit turns on.2. When I Agree is highlighted on the Warning Page, press ENTER to openthe Map Page.To turn off the GPSMAP 3206/3210:Press and hold the POWER key until the unit turns off.Adjusting the BacklightYou can adjust the screen backlighting on the GPSMAP 3206/3210 from anypage by using the POWER/BACKlIGhT key.To adjust the backlight level:1. Press and release the POWER/BACKLIGHT key.2. Press up on the ROCKER to increase the brightness, or press down todecrease.TIP: After you open the Backlight adjustment window, press thePOWER/BACKlIGhT key repeatedly to cycle through the threebacklight settings: Highest, Middle, and Lowest.Highest Lowest3. Press ENTER or QUIT to close the Backlight adjustment window.