Garmin GPSMAP 225 Technical Reference

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Garmin GPSMAP 225 Technical Reference Manual pdf 22 page image

Technical Reference for Garmin NMEA 2000 ProductsNMEA 2000-Certified Sensor Configuration InformationNMEA 2000-Certified Sensor Configuration InformationGarmin NMEA 2000-certified sensors each have a Sensor Configuration Guide included in the package. For convenience, this section containsthe configuration information for every available Garmin NMEA 2000 sensors. All NMEA 2000 device configuration options are set from theNMEA 2000 configuration menu on your NMEA 2000 display device.important: To access the NMEA 2000 configuration menu on your display device, consult the documentation provided with your displaydevice.GPS 17x (GPS Antenna)Enabling and Disabling WAAS (Wide Area Augmentation System)/EGNOS (Euro GeostationaryNavigation Overlay Service)When enabled, WAAS/EGNOS provides more accurate position information. For more information on WAAS/EGNOS, visit www.garmin.com.1. While viewing the NMEA 2000 configuration menu, select the GPS 17x device.2. Select Config > WAAS/EGNOS.3. On a Garmin chartplotter, select On or Off.Setting the Speed FilterThe speed filter setting on the GPS 17x can help reduce unnecessary drift alarm triggers as well as potentially sporadic position information.The speed filter averages the data provided by the GPS 17x to provide smoother position data updates. The speed filter is most helpful whenstationary or in low-speed situations.1 While viewing the NMEA 2000 configuration menu, select the GPS 17x device.2. Select Config > Speed Filter.3. Choose from the following options:Off—position information from the GPS 17x is provided to the NMEA 2000 network as it is gathered.On—position information from the GPS 17x is gathered and averaged before it is provided to the NMEA 2000 network. Select the intervalat which the position information is gathered.Auto—the speed filter toggles on in low-speed situations and toggles off in high-speed situations.Refreshing GPS Satellite AcquisitionIn some situations, if you have moved the boat many miles without using the GPS 17x, for example, you can force the GPS 17x to re-initializeand find your current position.1. While viewing the NMEA 2000 configuration menu, select the GPS 17x device.2. Select Config > Auto Locate.3. Wait for the GPS 17x to acquire satellites.Restoring Factory Default SettingsYou can restore factory default settings to the GPS 17x. You will lose all custom configuration settings when you restore factory defaultsettings.To restore factory default settings:1. While viewing the NMEA 2000 configuration menu, select the GPS 17x device.2. Select Config > Factory Defaults.•••