Calibrating Fuel Flow In A Suzuki Engine Interface; Engine Interface Accuracy - Lowrance LMF-400 Installation And Operation Instructions Manual

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3. Highlight
R
following message will appear: Press Enter to reset Calibration.
4. Press
ENTER
then, will be returned to the bus devices list.
NOTE:
If you have calibrated your fluid level sensor and are having
problems with the sensor's performance, be sure to check the
sending unit. You can do this by using an ohm meter to test the
resistance of the unit. Connect the sending unit hot wire (usually
pink) and the ship or sending unit ground wire (usually black) to
the ohm meter. With the tank full, the resistance should be around
33-1/2 ohms. When the tank is the empty, the resistance should be
around 240 ohms. If, when the tank is full or empty, the ohm
readings are significantly different from the standard full (33-1/2)
and empty (240) ohms levels, there is a problem with the sending
unit. If the ohm readings are the same in both cases, the sending
unit is stuck.

Calibrating Fuel Flow in a Suzuki Engine Interface

The default calibration for a Suzuki Engine Interface is adequate in
most cases, but if fuel used readings are off by more than 3 percent,
calibration is recommended.

Engine Interface Accuracy

To check the accuracy of an engine interface, add the Fuel Manager
page or any of the digital gauge pages to the page screen rotation, then
customize the selected page to show Fuel Used data. To see
instructions on how to Add Pages and Customize Pages, refer to the
Operation Section.
NOTE:
Make sure the fuel flow has been set as the Fuel Remaining Source,
otherwise, you will not be able to calibrate the fuel flow. See Fuel
Remaining Source instructions on page 28.
After filling up your tank, take your vessel out on the water and burn
at least five gallons of fuel. Be sure you run only ONE engine —
the engine connected to the engine interface.
Fill up your tank again, noting how much fuel you added to the tank.
Compare that number to the Fuel Used figure displayed on the page
you customized. If the amount of fuel you added to the tank and the
fuel used figure are off by more than 3 percent, we recommend the
engine interface be calibrated.
from the fluid level menu and press
C
ESET
AL
to set calibration back to factory default settings. You,
58
. The
ENTER

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