Garmin AQUAMAP 80 Series Owner's Manual

noise and fish targets appear more consistent throughvarious water depths. This setting also reduces the noisenear the surface of the water.Sonar Installation SettingsNOTE: Not all options and settings apply to all models, soundermodules, and transducers.From a sonar view, select MENU > Sonar Setup > Installation.Restore Sonar Defaults: Restores the factory default settingsfor the sonar view.Transducer Type: Allows you to select the type of transducerthat is connected to the device.Flip Left/Right: Changes the orientation of the SideVü sonarview when the transducer is installed backward.Sonar Alarm SettingsNOTE: Some settings require external accessories.Select Settings > Alarms > Sonar.Shallow Water: Sets an alarm to sound when the depth is lessthan the specified value.Deep Water: Sets an alarm to sound when the depth is greaterthan the specified value.Water Temp.: Sets an alarm to sound when the transducerreports a temperature that is 2°F (1.1°C) above or below thespecified temperature.Fish: Sets an alarm to sound when the device detects asuspended target.• sets the alarm to sound when fish of all sizes aredetected.• sets the alarm to sound only when medium or largefish are detected.• sets the alarm to sound only when large fish aredetected.Sonar RecordingsRecording the Sonar DisplayNOTE: Not all models support sonar recording.1 Insert a memory card into the card slot.2 From a Sonar view, select MENU > Record Sonar.Stopping the Sonar RecordingBefore you can stop recording the sonar, you must beginrecording it (Recording the Sonar Display, page 16).From a sonar view, select MENU > Stop Recording.Deleting a Sonar Recording1 Insert a memory card into the card slot.2 Select Sonar > Sonar Recordings.3 Select a recording.4 Select Delete.Depth and Water Temperature GraphsIf you are using a depth-capable transducer, or are receivingwater depth information over NMEA®0183 or NMEA 2000®, youcan view a graphic log of depth readings over time. If you areusing a temperature-capable transducer, or are receiving watertemperature information over NMEA 0183 or NMEA 2000, youcan view a graphic log of temperature readings over time.The graphs scroll to the left as information is received.Select Sonar > Data Graphs.Setting the Depth and Water Temperature GraphRange and Time ScalesYou can indicate the amount of time and the range of depth thatappear in the depth and water temperature graphs.1 Select Sonar > Data Graphs > MENU.2 Select Depth Graph Settings or Temperature GraphSettings.3 Select an option:• To set a time-elapsed scale, select Duration. The defaultsetting is 10 minutes. Increasing the time-elapsed scaleallows you to view variations over a longer period of time.Decreasing the time-elapsed scale allows you to viewmore detail over a shorter period of time.• To set the depth-range or temperature-range scale, selectScale. Increasing the scale allows you to view morevariation in readings. Decreasing the scale allows you toview more detail in the variation.Digital Selective CallingNetworked Chartplotter and VHF RadioFunctionalityIf you have a NMEA 0183 VHF radio connected to yourchartplotter, these features are enabled.• The chartplotter can transfer your GPS position to your radio.If your radio is capable, GPS position information istransmitted with DSC calls.• The chartplotter can receive digital selective calling (DSC)distress and position information from the radio.• The chartplotter can track the positions of vessels sendingposition reports.Turning On DSCSelect Settings > Other Vessels > DSC.DSC ListThe DSC list is a log of the most recent DSC calls and otherDSC contacts you have entered. The DSC list can contain up to100 entries. The DSC list shows the most recent call from aboat. If a second call is received from the same boat, it replacesthe first call in the call list.Viewing the DSC ListBefore you can view the DSC list, the chartplotter must beconnected to a VHF radio that supports DSC.Select Nav Info > Other Vessels > DSC List.Adding a DSC ContactYou can add a vessel to your DSC list. You can make calls to aDSC contact from the chartplotter.1 Select Nav Info > Other Vessels > DSC List > AddContact.2 Enter the Maritime Mobile Service Identity (MMSI) of thevessel.3 Enter the name of the vessel.Incoming Distress CallsIf your compatible chartplotter and VHF radio are connectedusing NMEA 0183, your chartplotter alerts you when your VHFradio receives a DSC distress call. If position information wassent with the distress call, that information is also available andrecorded with the call.designates a distress call in the DSC list and marks theposition of the vessel on the Navigation chart at the time of theDSC distress call.16 Digital Selective Calling