Lowrance electronic LMF-400 manual Calibration of EP Devices

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 the status of your tank is correctly transmitted over the NMEA 2000 bus.

For example: if you have an odd-shaped tank, like one that is wider at the top than at the bottom, the float inside the tank will tell you there is a half tank of gas when it reaches the midpoint of the tank, regardless of the tank’s actual capacity below the midpoint. That could cause you to run out of gas more quickly than expected. Whether the tank is configured for Fuel, Fresh Water, Waste Water, Black Water or Oil, calibrating the Fluid Level protects you from unpleasant surprises. NOTE:

To run a system check for devices connected to the NMEA 2000 network, select BUS DEVICES from the System Setup menu and press ENTER. A Searching Bus Devices message comes up, followed by a list of all devices attached to the LowranceNET — the Bus Devices list. To select an item from the bus devices list, use the UP and DOWN keys to scroll through the list. Highlight the desired category and press ENTER.

To calibrate a tank:

1.Press MENU, select SYSTEM SETUP and press ENTER.

2.From the System Setup menu, highlight BUS DEVICES and press ENTER to bring up the Bus Devices list.

3.From the devices list, highlight the fluid level source you want to calibrate, press ENTER, select CALIBRATE and press ENTER. A menu will appear with three calibration options: 2 point, 3 point and 5 point.

To execute 2-Point Calibration: there will be a pair of settings in the 2-

point calibration menu: Empty Level and Full Level. 2-Point calibration is best for rectangular or square shaped tanks that allow the fuel level sensor to provide an accurate reading of the fuel level at the top and bottom of the tank.

1.Choose the level (EMPTY OR FULL LEVEL) that corresponds with your tank's current fuel level and press ENTER.

If you choose FULL LEVEL, the following message will appear: Calibrating Set Tank to Full Level Press Enter.

2.Press ENTER and you will be taken back to the 2-point menu.

3.Press EXIT to return to the Bus Devices list.

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