Lowrance LMF-400 - Manual

5 Section 2: Installation Preparation The design of the LMF-400 allows convenient mounting in the dash ofyour boat, or it can be mounted on any flat panel at least four inches indiameter. To mount the LMF-400 in the dash, first make sure there is sufficientclearance behind the panel in the desired l...

6 LMF-400 with power cable wiring and NMEA 2000 Cable Connection. Connecting to a NMEA 2000 Network A network bus is an installed and operational network cable (backbone)running the length of your boat, already connected to a power supplyand properly terminated. Such a bus provides network connectio...

7 For complete instructions on setting up a new NMEA 2000 network orexpanding an existing one, see the other document packed with yourgauge, " Setup and Installation of NMEA 2000 Networks, General Information " part number 988-0154-172. If that document is missing, it can be downloaded free ...

8 Add a new device to a NMEA 2000 bus by attaching a T connector between two T connectors, between a T connector and the end terminator, or between two backbone extension cables. If you want to add a node at the end of the line (as shown in the previousfigure), remove the terminator from the very la...

9 Section 3: Operation The displays and settings in this digital gauge are controlled by a five-button keypad. The buttons are UP , DOWN , MENU , PAGES/ENTER and EXIT . The MENU key calls up the basic menu, which allows you to set up as many as 16 pages for display. The UP and DOWN keys are used to ...

10 4. Use the UP and DOWN keys to enter how many gallons the tank will hold and press ENTER . Press EXIT and repeat steps 3 and 4 for each of the remaining tanks. 5. After all tanks on your vessel have been setup, press EXIT repeatedly to be directed back to the main display. NOTE: If your LMF-400 w...

12 Dual Digital (from left to right), Quad Digital, Synchronizer and Trim Tabs page. Dual Digital The Dual Digital page features a pair of digital gauges which candisplay: Alt Voltage, Battery Voltage, Engine Temp, AtmosphericPressure, Temperature, Depth, Engine Load, Total Engine Hours, FuelFlow, F...

15 Tab pop up or highlight Set Threshold and press ENTER , to set a Trim Tab threshold. The threshold for Trim Tabs ranges from 3% to 50%. Stay-on Time : By highlighting Stay-on Time you are able choose how long the RPM, Engine Trim and Trim Tab pages will be displayed whentheir respective threshold...

16 Contrast is highlighted on the Screen menu (left). The Contrast Adjust window (center). Reverse Video highlighted on Screen menu (right). The easiest way to change the look of the display is to utilize theReverse Video command, commonly used for nighttime viewing. To select Reverse Video: 1. From...

17 3. Select O N or O FF and press ENTER , which will take you back to the main display. 4. If you choose to keep the current setting, press EXIT to return to the Audio Setup menu Adjusting Alarm Sounds: 1. To turn on or turn off Alarm Sounds, select A LARM S OUNDS from the Audio Setup menu and pres...

19 Section 4: EP Configuration & Calibration To configure items linked into the LowranceNET networking system,press MENU and select S YSTEM S ETUP . Highlight B US D EVICES and press ENTER , which will bring up the message, Searching Bus Devices . Once all devices are detected, a list of the dev...

22 To Change Engine (Reconfigure; active only with multiple-engine setting) : 1. From a fuel flow menu, select C HANGE E NGINE and press ENTER . That will call up an internal menu with three options: Port , Center and Starboard . When you select one of the three options a message appears: Changing D...

24 3. Use the UP and DOWN keys to enter how many gallons the tank will hold and press ENTER . You will then be directed back to the Bus Devices list. To configure Waste Water: 1 . Highlight W ASTE W ATER from the list of configuration options and press ENTER . A window will appear prompting you to i...

26 Trim Tab Sensors : highlighting Trim Tab Sensors and pressing ENTER, will launch the following message: Press Enter to Reset Device Values.To reset the Trim Tab Sensor settings to the default setting, press ENTER . Calibration of EP Devices Calibrating Fluid level is an important step to ensuring...

27 To execute 3-Point Calibration : there will be three options in the 3-point calibration menu: Empty Level, Half Level and Full Level. 3-pointcalibration is designed for tanks that vary in shape from the top to thebottom, leading to an inaccurate fuel level sensor reading, in thenarrower, bottom p...

31 Section 5: Advanced Operation Customizing Pages In this section, we're going to take a look at how each of the pages canbe customized. NOTE: In order to access a page-specific menu make sure the desired pageis on the display when you press the menu button. The page menushave a lot of similarities...

32 NOTE The System Setup menu for all three analog gauges feature SpeedRange and Pressure Range. A more detailed description of SpeedRange and Pressure range may be found under System Setup laterin this section. Single Analog page (left) with Dual Analog page (right). Dual Analog A pair of analog ga...

33 To Customize the Quad Analog page: 1. Scroll through the pages set for display by pushing the ENTER or EXIT key.2. Once the Quad Analog page is displayed, press MENU , select C USTOMIZE and press ENTER . 3. A menu prompt will appear giving you the option to customize thegauge on the Top Left, Top...

34 To customize the Single Digital page: 1. Scroll through the pages set for display by pushing the ENTER or EXIT key. 2. Once the Single Digital page is displayed, press MENU , select C USTOMIZE and press ENTER . 3. Scroll through the device list and highlight the category you want tomonitor, then ...

35 Quad Digital The Quad Digital page has four digital gauges capable of displaying:Alt Voltage, Battery Voltage, Engine Temperature, AtmosphericPressure, Temperature, Depth, Engine Load, Total Engine Hours, FuelFlow, Fuel Economy, Fuel Remaining, Fuel Range, Paddle WheelSpeed, Pitot Speed, GPS Spee...

36 GPS Position Displays user position in Latitude/Longitude. Fuel Manager The Fuel Manager page has three digital readouts capable ofdisplaying: Fuel Flow, Fuel Economy, Fuel Remaining, Fuel Range,Trip Fuel Used, Seasonal Fuel, Paddle Wheel Speed, Pitot Speed andGPS Speed. While on the Fuel Manager...

38 1. From the Fuel Setup menu, select R ST T RIP F UEL and press Enter, which will launch the following message: Press Enter to Reset TripFuel . 2. Press ENTER , which will take you back to the Fuel Setup menu. Press EXIT repeatedly to return to the main display. System Setup Menu To get to the Sys...

39 2. In this example, we'll select S HALLOW and press ENTER . A small menu will appear, giving you the option to turn off the alarm or set the depth.3. Select S ET D EPTH and press ENTER. 4. Use the UP and DOWN keys to select the desired depth and press ENTER . To set the Deep alarm, press EXIT , s...

41 Change Units From the System Setup menu, select C HANGE U NITS and press ENTER . The C HANGE U NITS menu has six units of measure from which to choose: Speed/Distance , Temperature , Pressure , Depth , GPS Coordinates and Volume. System Setup menu (left) with Change Units highlighted. The Change ...

44 How to Obtain Service… …in the USA: We back your investment in quality products with quick, expert serviceand genuine Lowrance parts. If you're in the United States and youhave technical, return or repair questions, please contact the FactoryCustomer Service Department. Before any product can be ...

Accessory Ordering Informationfor all countries To order Lowrance accessories such as power cables or transducers,please contact: 1) Your local marine dealer or consumer electronics store. Most quality dealers that handle marine electronic equipment or other consumerelectronics should be able to ass...