Lowrance electronic X51 Backlight, Display Contrast, Battery Voltage, Depth Units of Measure

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Backlight

The display is backlit for night use. To turn the backlight on or off, press MENU repeatedly until the BACK LIGHT menu appears. Press UP ARROW to turn the light on or the DOWN ARROW to turn it off.

Display Contrast

To adjust the contrast, press MENU DOWN until the DISPLAY CONTRAST menu appears. To decrease screen contrast, press the DOWN ARROW key. Press the UP ARROW key to increase screen contrast. The bar graph in the Contrast menu box shows a graph of the contrast. The screen will also show the effects of the change. If you reach the maximum or

minimum level, a tone sounds alerting you to the limits. Press the PWR key to clear the menu.

Battery Voltage

The unit can display your battery voltage. When activated, Voltage will appear just below the temp display. To turn this data on or off, press MENU DOWN until the BATTERY VOLTAGE menu appears. Use the arrow keys to select on or off, then press the PWR key to clear the menu.

Depth Units of Measure

This unit can show the depth in feet or meters. To change the depth units of measure, press MENU DOWN until the UNITS menu appears. Use the arrow keys to select the desired unit of measure, then press the PWR key to clear the menu.

Preset Unit

This command is used to reset all features, options and settings to their original factory defaults. This is useful when you have changed several settings and want to return the unit to basic automatic operation.

Turn the unit off. Press and hold the DOWN ARROW key and the MENU DOWN key at the same time while you press the PWR key. Release the keys as the unit powers up. The unit will turn on with factory settings restored.

System Info

To show the operating software system information, press MENU DOWN until the UNIT INFO menu appears. Press PWR to clear the screen.

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Contents X51 Pro Visit our web site Table of Contents Capabilities and Specifications X51 Pro Installation Preparations Transducer InstallationRecommended Tools and supplies Selecting a Transducer LocationGood and poor transducer locations How low should you go? Shoot-thru-hull vs. Transom MountingTransom Transducer Assembly and Mounting Insert bolt and check transducer position on transom Transom Trolling Motor Bracket Installation Attach motor mounting bracket to transducer Hulls With Floatation Materials Transducer Orientation and Fish ArchesShoot-Thru Hull Preparation Testing Determines Best Location Shoot-thru-hull Installation Epoxy transducer to hull Power and Cable Connections Mounting the Sonar Unit BracketBracket Installation Portable Sonar Installation Installing the Batteries Portable Transducer AssemblyOperation KeyboardMenus DisplayChart Scroll Full ChartDepth Range Zoom ZoomSensitivity Grayline Fish I.D FishtrackChart Scroll Speed AlarmsNoise Reject and ASP Advanced Signal Processing Fish AlarmDeep Alarm Depth AlarmsShallow Alarm Battery Voltage Preset UnitBacklight Display ContrastSimulator Digital Data Size Depth and TempIndex Unit freezes, locks up, or operates erratically Unit turns on only in simulator modeUnit wont turn on No fish arches when the Fish I.D. feature is off NoiseNavico Full ONE-YEAR Warranty How to Obtain Service… Not toll-freeAccessory Ordering Information for all countries Visit our web site