Garmin GPSMAP 521 Technical Reference - Page 36

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Garmin GPSMAP 521 Technical Reference
NMEA 2000 Checklist
For example, FLUIDTYPE=1Done indicates that the tank contains fresh water.
Fluid Type
FLUIDTYPE Value Fluid Type
Fuel
0
Fresh water
1
Waste water
2

Restoring Factory Default Settings

When you restore factory default settings, you will lose all custom configuration settings except fluid-level calibration.
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 Yes.

GBT 10 (Garmin Bennett Trim Tab Adapter)

Note: This section provides specific configuration information for the GBT 10 adapter using your compatible Garmin display device. To
access the NMEA 2000 configuration menu on your display device, consult the documentation provided with your display device.
Calibrating the Trim Tab Position
To use the GBT 10 adapter, you must calibrate the position of the trim tabs the adapter is associated with.
Note: If you only adjust your trim tabs within a limited range of motion on a regular basis, calibrate the GBT 10 adapter using your normal
range instead of the full range. Only the calibrated range will be displayed on your chartplotter or marine instrument.
1. From the NMEA 2000 Devices list, select the GBT 10 device.
2. Select an option:
•
For most Garmin chartplotters, select
•
For other Garmin marine devices, select
3. Follow the on-screen instructions to calibrate the trim tab position.
Configuring the GBT 10 Adapter if the Trim Tab Calibration Selection Is 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 calibrate the trim tab position if the menu option is not displayed:
To use the GBT 10 adapter, you must calibrate the position of the trim tabs that the adapter is associated with. You can enter a minimum of two,
and a maximum of sixteen, trim tab positions. For greater accuracy, enter more trim tab positions.
1. While viewing the NMEA 2000 configuration menu, select the GBT 10 device.
2. Select
Config
>
Generic
3. Enter the following command: "CALIBRATION=1"
4. Move both trim tabs to the highest position. When the trim tabs are in the highest position, they should be at or near 0% of their full range of
motion.
5. Enter the following command: "TRIMTABPOS="
6. After the command, enter the percentage of the highest trim tab position as a whole number between 0 and 100, and select Done. For
example, TRIMTABPOS=0Done.
7. Move both trim tabs to the lowest position. When the trim tabs are in the lowest position, they should be at or near 100% of their full range of
motion.
2
FLUIDTYPE Value
Live well
Oil
Black water
(sewage)
Review
>
Factory
Config
>
Review
>
Trim Tab
Config
>
Configuration.
3
4
5
Defaults.
Factory
Defaults.
Calibration.
Trim Tab
Calibration.
Technical Reference for Garmin NMEA 2000 Products