Garmin GPSMAP 740/740s Technical Reference - Page 35
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To test the gauge-type setting:
1. When the boat is not moving, put the engine in neutral.
2. Use the throttle to increase the engine RPM. If the fluid-level reading changes with the engine RPM, change the gauge type.
To change the gauge type:
1. From the NMEA 2000 Devices list, select the GFL 10 device.
2. Select an option:
•
For most Garmin chartplotters, select
•
For other Garmin marine devices, select
3. Select an option:
•
To automatically detect the gauge type, select
•
To indicate a one-coil gauge, select
•
To indicate a two-coil gauge, select
4. Perform the gauge-type setting test.
Resetting the Fluid Level Calibration
You can reset the fluid-level calibration of the tank that the GFL 10 adapter is associated with.
1. From the NMEA 2000 Devices list, select the GFL 10 device.
2. Select an option:
•
For most Garmin chartplotters, select
•
For other Garmin marine devices, select
3. Select
Reset
Calibration.
4. Select Yes.
5. Calibrate the fluid level.
Configuring the GFL 10 Adapter if the Tank Number and Fluid Type Selections Are Not Displayed
Depending on the version of software loaded on your Garmin marine instrument, the specific configuration options may not be displayed on the
configuration screens.
To configure the tank number if the menu option is not displayed:
If your boat has multiple fluid tanks, you can indicate which tank each GFL 10 adapter is associated with.
1. From the NMEA 2000 Devices list, select the GFL 10 device.
2. Select an option:
•
For most Garmin chartplotters, select
•
For other Garmin marine devices, select
3. Enter the following command: "INSTANCE="
4. After the command, enter a whole number between 1 and 16, which indicates the tank number, followed by Done.
For example, INSTANCE=2Done indicates that the adapter is associated with tank number 2.
To configure the fluid type if the menu option is not displayed:
You can indicate the type of fluid that is in the tank that each GFL 10 adapter is associated with.
1. From the NMEA 2000 Devices list, select the GFL 10 device.
2. Select an option:
•
For most Garmin chartplotters, select
•
For other Garmin marine devices, select
3. Enter the following command: "FLUIDTYPE="
4. After the command, enter a number between 0 and 5 to indicate the fluid type as defined in the following table, followed by Done.
Technical Reference for Garmin NMEA 2000 Products
Review
>
Gauge
Type.
Config
>
Gauge
Type.
Auto
Detect.
1
Coil.
2
Coil.
Review
>
Level
Calibration.
Config
Level
Calibration.
>
Review
>
Generic
Config.
Config >Generic
Configuration.
Review
>
Generic
Config.
Config >Generic
Configuration.
NMEA 2000 Checklist