To turn on the chartplotter:1. Press and release the Power key.2. When the warning screen appears, press SELECT.To turn off the chartplotter:1. Press and hold the Power key.2. If one chartplotter is connected, it shuts down. If multiple chartplotters are connected, aprompt asks if you want to turn off the entire system. Select Yes to turn off the entire network,or select No to put the chartplotter in sleep mode.Turning the Chartplotter On and OffAdjusting the Backlight and Color ModeUsing the GPSMAP 4000 Series KeypadUsing Combination ScreensUsing the Man Overboard FeatureAutomatic Backlight Sensor—detects ambient light and allows thebacklight to adjust automatically.Power/Backlight—press and hold to turn the chartplotter on or off.Press and release to adjust the backlight.Range (+/-)—press up (+) and down (-) to increase and decreasethe map zoom scale.Rocker—press up, down, left, and right to move the map pointerand enter data.SELECT—press to confirm messages and select items.MARK—press to mark your current location as a Waypoint.MENU—press to view additional options on most screens.HOME—press at any time to return to the Home screen.Numeric Keypad (4010/4210/4012/4212 only)—enter numbers andletters into fields instead of using the Rocker.Soft Keys—press the Soft Key next to the option you want to viewto select it.SD Card Slot—insert a BlueChart g2 Vision SD card to accessadditional features on your GPSMAP 4000 series chartplotter. Inserta blank SD card to transfer user data to other GPSMAP 4000/5000series chartplotters or a PC.Tips and ShortcutsPress HOME from any screen to return to the Home screen.Press MENU from any of the main screens to access advanced settings.Press and release the Power key to adjust the backlight and color mode.•••To access and change screen combinations:1. Complete one of the following actions to access the Edit Combination screen:From the Combinations screen, press MENU and then select Change Combination.From the Home screen, select Combinations > Unused Combo (if one is available).2. Select an option to customize the Combinations screen. If you have a BlueChart ®g2 Vision ® SD card or are connected to network devices such as sonar and radar, morecombination screen options will be available.Select Functions to select the number of combination screens.Select Layout to change to vertical or horizontal layout.Select XM Bar to toggle the XM ® bar on or off.Select Data Bar to toggle the data bar on or off.Select a numbered option, such as 1. Nav Chart or 2. Sonar in the example below, toselect the combination screen to view.•••••••To adjust the backlight level:1. While the chartplotter is on, press and release the Power key.2. Select Backlight.3. Select an option to adjust the backlight:To allow the chartplotter to automatically adjust the backlight based on ambient light, selectAuto.To manually adjust the backlight, select Up or Down, or use the Rocker.••To adjust the color mode:1. Press and release the Power key.2. Select Color Mode.3. Select Day Colors, Night Colors, or Auto.To mark and navigate to a Man Overboard (MOB) location:1. From any screen, press MARK.2. Select Man Overboard.3. Follow the colored line on the screen to the spotwhere the MOB feature was activated.To delete an MOB location:1. From the Home screen, select Information >User Data > Waypoints.2. Select the MOB location you want to delete.MOB locations are marked with the symbol.3. Select Review > Delete. Man OverboardJune 2010 Part Number 190-00779-01 Rev. E Printed in TaiwanGo to www.garmin.com for additional documentation and information.See the Important Safety and Product Information guide in the product box for productwarnings and other important information.Combinationscreen 1Combinationscreen 2Data bar © 2010 Garmin Ltd. or its subsidiariesGarmin®, the Gamin logo, GPSMAP ®, BlueChart®, and g2 Vision® are trademarks of Garmin Ltd. or its subsidiaries,registered in the USA and other countries. These trademarks may not be used without the express permission of Garmin.XM ® is a registered trademark of XM Satellite Radio Inc.