amount of fuel added, or select FULL to indicate that the tank has
been filled completely. Fuel levels will be displayed next to “Amount”
at the top of the screen.
Select SAVE to bring up the confirmation screen below. Select BACK
to exit to the menu screen (this will not save the fuel level if any was
added). From here the operator can use the hot keys to access any
of the other screens.
Should an operator input the wrong amount of fuel, there are sever-
al fail-safes in place. To immediately correct an input error, push the
Menu hot-key, select User Settings and navigate to Fuel Settings.
This will open the fuel level entry page. Use the keypad and the +/-
button to adjust to the correct amount of fuel. Use a positive value
if more fuel needs to be entered, or use a negative value if too much
fuel was entered.
When the fuel management system senses that fuel is getting low
it will display a low fuel warning on the screen. When this warning is
displayed, the boat will be able to run unballasted for approximately
20 minutes before running out of fuel. Empty all ballast tanks and
immediately proceed to a fueling station before any further activity.
Continuing to operate the boat with low fuel levels could leave users
stranded oshore.
If an operator has inaccurately or mistakenly entered the fuel level,
there is a sensor in the fuel tank that will override the entered fuel
level when it senses low fuel. To avoid false readings, the sensor will
only override the fuel management system when it detects a low
fuel level for more than 30 seconds with the engine operating at
less than 900 RPM.
To disable the fuel management software and rely on traditional
fuel gauge readings:
• Push the Menu Hot Key on the 450NT screen.
• Scroll to User Settings.
• On the User Settings page select either ENABLE or DISABLE
under Fuel Management.
Disabling the fuel management software will allow the fuel gauge
to read fuel levels directly from the fuel sensor on the fuel tank.
2021MCOwnerManualFINAL.indd 163 8/26/20 1:52 PM
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