Garmin GPSMAP 1242xsv Touch Owners Manual - Page 68

Setting the Anchor Drag Alarm You can set an alarm to sound if you have moved more than an allowable distance. This is very useful when anchoring overnight. 1 Select Settings > Alarms > Navigation > Anchor Drag. 2 Select Alarm to turn on the alarm. 3 Select Set Radius, and select a distance on the chart. 4 Select Back. System Alarms Alarm Clock: Sets an alarm clock. Unit Voltage: Sets an alarm to sound when the battery reaches a specified low voltage. GPS Accuracy: Sets an alarm to sound when the GPS location accuracy falls outside the user-defined value. Sonar Alarms NOTE: Not all options are available on all transducers. From an applicable sonar view, select Menu > Sonar Setup > Alarms. You can also open the sonar alarms by selecting Settings > Alarms > Sonar. Shallow Water: Sets an alarm to sound when the depth is less than the specified value. Deep Water: Sets an alarm to sound when the depth is greater than the specified value. FrontVü Alarm: Sets an alarm to sound when the depth in front of the vessel is less than the specified value, which can help you avoid running aground (Setting the FrontVü Depth Alarm, page 32). This alarm is available only with Panoptix FrontVü transducers. Water Temp.: Sets an alarm to sound when the transducer reports a temperature that is 2°F (1.1°C) above or below the specified temperature. Contour: Sets an alarm to sound when the transducer detects a suspended target within the specified depth from the surface of the water and from the bottom. Fish Fish: Sets an alarm to sound when the device detects a suspended target. • sets the alarm to sound when fish of all sizes are detected. • sets the alarm to sound only when medium or large fish are detected. • sets the alarm to sound only when large fish are detected. Setting Weather Alarms Before you can set weather alarms, you must have a compatible chartplotter connected to a weather device, such as a GXM device, and have a valid weather subscription. 1 Select Settings > Alarms > Weather. 2 Turn on alarms for specific weather events. Setting the Fuel Alarm Before you can set a fuel level alarm, a compatible fuel flow sensor must be connected to the chartplotter. You can set an alarm to sound when the total amount of remaining onboard fuel reaches the level you specify. 1 Select Settings > Alarms > Fuel > Set Total Fuel Onboard > On. 2 Enter the remaining amount of fuel that triggers the alarm, and select Done. My Vessel Settings NOTE: Some settings and options require additional charts or hardware. Select Settings > My Vessel. Transducers: Shows all transducers on the network, allows you to change transducers, and allows you to view diagnostic information (Selecting the Transducer Type, page 27). Depth and Anchoring: Allows you to enter information about the keel (Setting the Keel Offset, page 23) and the anchor. The Anchor Height value is the height of the anchor above the waterline. The Anchor Scope value is the ratio of the length of anchor rode in use to the vertical distance from the bow of the vessel to the bottom of the water. These anchor settings are used to calculate the Target Anchor Rode date field. Temp. Offset: Allows you to set an offset value to compensate for the water temperature reading from a NMEA 0183 watertemperature sensor or a temperature-capable transducer (Setting the Water Temperature Offset, page 61). Calibrate Water Speed: Calibrates the speed-sensing transducer or sensor (Calibrating a Water-Speed Device, page 61). Fuel Capacity: Sets the combined fuel capacity of all the fuel tanks on your vessel (Setting the Fuel Capacity of the Vessel, page 46). Vessel Type: Enables some chartplotter features based on the boat type. CZone™: Sets the digital switching circuits. SeaStar Instance: Sets the digital switching circuits. System Profiles: Allows you to save your system profile to a memory card and import system profile settings from a memory card. This can be helpful for charter or fleet vessels, and for sharing your setup information with a friend. Hull ID Number: Allows you to enter the Hull Identification Number (HIN).The HIN might be permanently affixed to the upper starboard side of the transom or outboard side. Optimus Steering: Allows you to adjust the Optimus steering parameters. Setting the Keel Offset You can enter a keel offset to compensate the water depth reading for the transducer installation location. This allows you to view the depth of the water below the keel or the true depth of the water, depending on your needs. If you want to know the water depth below the keel or the lowest point of your boat and the transducer is installed at the water line or anywhere above the end of the keel, measure the distance from the transducer location to the keel of the boat. If you want to know the true water depth and the transducer is installed below the water line, measure the distance from the bottom of the transducer up to the water line. NOTE: This option is only available when you have valid depth data. 1 Measure the distance: • If the transducer is installed at the water line or anywhere above the end of the keel, measure the distance from the transducer location to the keel of the boat. Enter this value as a positive number. • If the transducer is installed at the bottom of the keel and you want to know the true depth of the water, measure the distance from the transducer to the water line. Enter this value in as a negative number. 60 Device Configuration