IntroductionWARNINGSee the Important Safety and Product Information guide in theproduct box for product warnings and other importantinformation.Device ViewsechoMAP 70 Series and GPSMAP 700 SeriesÀ Power keyÁ Automatic backlight sensor Touchscreenà microSD™ memory card slotUsing the Touchscreen• Tap the screen to select an item.• Drag or swipe your finger across the screen to pan or scroll.• Pinch two fingers together to zoom out.• Spread two fingers apart to zoom in.Locking the TouchscreenYou can lock the touchscreen to prevent inadvertent screentouches.1 Select .2 Select Lock Touchscreen.echoMAP 50 Series and GPSMAP 500 SeriesÀ Automatic backlight sensorÁ Power key Device keysà microSD memory card slotDevice KeysTurns on and off the device when held.Adjusts the backlight and color mode.Zooms out of a chart or view.Zooms in to a chart or view.Scrolls, highlights options, and moves the cursor.Select Acknowledges messages and selects options.Back Returns to the previous screen.Mark Saves the present location as a waypoint.Home Returns to the Home screen.Menu Opens a menu of options for the page, when applicable.Closes a menu, when applicable.Tips and Shortcuts• Select Home from any screen to return to the Home screen.• Select Menu from any main screen to access additionalsettings about that screen.• Press to adjust the backlight and lock the touchscreen.• Hold to turn the chartplotter on or off.GPS Satellite SignalsWhen you turn on the chartplotter, the GPS receiver mustcollect satellite data and establish the current location. Whenthe chartplotter acquires satellite signals, appears at the topof the Home screen. When the chartplotter loses satellitesignals, disappears and a flashing question mark appearsover on the chart.For more information about GPS, go to www.garmin.com/aboutGPS.Adjusting the Backlight1 Select Settings > System > Display > Backlight.TIP: Press from any screen to access the backlightsettings.2 Select an option:• Adjust the backlight level.• Select Enable Auto Backlight or Auto.Adjusting the Color Mode1 Select Settings > System > Display > Color Mode.2 Select an option.Customizing the Home ScreenYou can add items to and rearrange items on the Home screen.1 From the Home screen, select Menu.2 Select an option:• To rearrange an item, select Rearrange, select the itemto move, and select the new location for it.• To add an item to the Home screen, select Add, andselect the new item to add.• To remove an item you have added to the Home screen,select Remove, and select the item to remove.Inserting Memory CardsYou can use optional memory cards in the chartplotter. Mapcards allow you to view high-resolution satellite imagery andaerial reference photos of ports, harbors, marinas, and otherpoints of interest. You can use blank memory cards to transferdata such as waypoints, routes, and tracks to anothercompatible Garmin chartplotter or a computer.1 Open the access door À on the front of the chartplotter.Introduction 1