IntroductionWARNINGSee the Important Safety and Product Information guide in theproduct box for product warnings and other importantinformation.Registering Your DeviceHelp us better support you by completing our online registrationtoday.• Go to http://my.garmin.com.• Keep the original sales receipt, or a photocopy, in a safeplace.Contacting Garmin Product Support• Go to www.garmin.com/support and click Contact Supportfor in-country support information.• In the USA, call (913) 397.8200 or (800) 800.1020.• In the UK, call 0808 2380000.• In Europe, call +44 (0) 870.8501241.Manual ConventionsIn this manual, the term “select” is used to describe theseactions.• Highlighting a menu item and pressing ENTER.• Pressing a key, such as ENTER or MENU.When you are instructed to select menu items, small arrowsmay appear in the text. They indicate that you should highlight aseries of items using and , and select ENTER after eachitem. For example, for "select MENU > Pause/Rewind Sonar,"select MENU, and then select or until Pause/RewindSonar is highlighted, and then select ENTER.Entering Numerical ValuesYou can enter numerical values when setting alarms or settingan offset.1 Select and to select the first numerical value.2 Select or ENTER to advance to the next digit.3 Repeat steps 1 and 2 to adjust all numerical values.Getting StartedKeysMENU Displays or hides a list of options.ENTER Selects a menu item.Scrolls through options or changes settings.Selects page options.Turns the device on or off and adjusts the backlight.Turning on the Device AutomaticallyYou can set the device to turn on automatically when the poweris applied. Otherwise, you must select .Select MENU > Setup > System > Auto Power > On.Adjusting the Backlight1 Select MENU > Setup > System > Backlight.2 Select and .Adjusting the Color SchemeFor the echo 300 and 500 series devices, you can set the colorscheme for all sonar screens.1 Select MENU > Setup > Sonar Setup > Color Scheme.2 Select a color scheme.Setting the Color ModeFor the echo 300 and 500 series devices, you can set the sonarscreen color mode for day or night use.1 Select MENU > Setup > System > Color Mode.2 Select Day or Night.Selecting the Transducer TypeBefore you can select the transducer type, you must know whatkind of transducer you have.You may need to set the transducer type to make the sonarfunction properly.1 From a sonar view, select MENU > Setup > Sonar Setup >Transducer Type.2 Select an option:• If you have a 200/77 kHz, dual-beam transducer, selectDual Beam.• If you have a 200/50 kHz dual-frequency transducer,select Dual Frequency.• If you have a DownVü transducer, select DownVü.• If you have another type of transducer, select it from thelist.Adjusting the ContrastNOTE: This feature is not available on all models.1 Select MENU > Setup > System > Contrast.2 Select or .TIP: Hold or to make large adjustments quickly.3 Select ENTER.Setting the BeeperYou can set when the device makes sounds.1 Select MENU > Setup > System > Beeper.2 Select an option:• To have the device beep when you select an item andwhen an alarm is triggered, select On.• To have the device beep only when alarms are triggered,select Alarms Only.Menu TimeoutWhen a menu is open for 15 seconds and no selections aremade, the menu closes and the previous screen is displayed.Using Quick AdjustAfter adjusting a setting and returning to a page, you canquickly return to the setting options.Select or .Introduction 1