34 GPSMAP ® 4000/5000 Series Owner’s ManualConfiguring the ChartplotterConfiguring theChartplotterTo enable or disable NMEA 0183 output sentences:1. From the Home screen, select Configure > Communications > NMEA 0183 Setup > OutputSentences.2. Select a setting (Sounder, Route, System, or Garmin).3. Select the NMEA 0183 output sentence.4. Select Off to disable, or select On to enable, the NMEA 0183 output sentence.NMEA 2000 Setup—view and configure the devices connected to the NMEA 2000 network and setbridging to On, Off, or Auto.Device List—lists the NMEA 2000 devices on your network. If a NMEA 2000 device hasconfiguration options or settings, select the device for a list of options.Output Bridging—output bridging occurs when a chartplotter takes NMEA 0183 data it receivesfrom any source, formats it into NMEA 2000 data, and then sends it over the NMEA 2000 bus.Select On or Off to enable or disable this function for the chartplotter. Select Auto to allow thechartplotters on the network to negotiate with each other to determine which chartplotter willperform this function. There should not be more than one chartplotter on the network bridgingNMEA 0183 data over the NMEA 2000 bus.Wireless Devices—allows wireless devices, such as a remote control or optical mouse tocommunicate with the chartplotter.Preferred Sources—allows selection of a preferred device when more than one source is availablefor the same function.Marine Network—review all connected Garmin Marine Network devices. See page 37.Setting AlarmsYou can set the unit to sound an audible alarm when certain conditions are met. By default, allalarms are turned off.To set an alarm:1. From the Home screen, select Configure > Alarms.2. Select an alarm category.3. Select an alarm.4. Select On to turn the alarm on, and then specify alarm information.Setting Navigation AlarmsTo set a navigation alarm, from the Home screen, select Configure > Alarms > Navigation.Arrival—set an alarm to sound when you are within a specified distance or time from a turn ordestination waypoint.type—select whether you want arrival alarms to sound only when nearing destinations or whennearing turns and destinations. Set to Off to disable arrival alarms.Activation—select whether the arrival alarm triggers on time to arrival or distance to arrival.Change time/Change Distance—if you have Activation set to Time, select Change time to setthe number of minutes before arrival that the alarm should sound. If you have Activation set toDistance, select Change Distance to set the distance before arrival that the alarm should sound.Use the ROCKER (GPSMAP 4000 series) or onscreen keyboard (GPSMAP 5000 series) tochange the time or distance.•••••