Furuno 500 manual Principle of Operation

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1. PRINCIPLE OF THE AUTOPILOT

1.2Principle of Operation

In the AUTO modes, the heading information from a heading sensor is continuously compared with the course that is set on the autopilot’s controller. (in the NAV mode, the course to the waypoint is received from a plotter connected to the NAVpilot-500). With the boat on course, these two signals are equal.

If the boat drifts off course, the difference between the primary heading and the set course will change proportionally and there will be an imbalance at a comparator. The comparator’s output will then move up or down depending on whether the course error is to the left or right of the set course.

The rudder will continue to turn the vessel until a balanced condition is obtained at the comparator, at which point the drive to the rudder stops.

The rudder position is determined by a rudder reference unit and continuously monitored by the processor unit.

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Contents Model NAVpilot-500 00014698415 Important Notices How to discard this product How to discard a used batteryGeneral Safety Instructions Table of Contents Index Foreword FeaturesWord to the Owner of the NAVpilot-500 System Configuration System configuration of NAVpilot-500Principle of the Autopilot Principle of AutopilotPrinciple of Operation Operating Controls Basic OperationControl unit, front view Turning On/Off Turning the power offStartup sequence Displays Adjusting Brilliance and ContrastChoosing the display mode Contrast, brilliance windowSelecting data Analog indicator selection Displayed dataAvailable graphics for graphic display Port StbdStby mode display ex. Normal Display Stby ModeSteering Modes Using the Auto mode Auto ModeAuto mode display Normal display Enabling the Advanced Auto mode Advanced Auto modeAdvanced Auto mode display ex. Normal display Advanced auto options windowStarting the NAV mode NAV ModeNAV mode display Normal display Nav mode options window Selecting sailing method of NAV modeNAV mode, Course and XTE Switching waypoint Waypoint switching options windowSteering Mode Turn Mode Turn menu360º Turn for Auto mode only 180º Turn for Auto mode onlyExample of 180º maneuver in turn mode Example of 360º maneuver in turn modeOrbit Example of orbit maneuver ex. clockwiseTo escape from the Orbit while it is in use, press Stby key Example of spiral maneuver in turn mode SpiralSteering Mode Example of Figure Eight in NAV mode Figure EightNavigating to TLL point TLL navigationRemote Mode Dial type remote controller FAP-5551Turning power off dial type Rotating dialTurning power on, button and lever type remote controllers NFU No Follow-Up mode displayOperating remote controller ex. button and lever types Turning power off, button and lever type remote controllersDodging in Stby mode Dodge ModeDodge mode display Dodging in Auto or NAV mode 359This page is intentionally left blank Stby mode menu Stby Mode MenuMenu Operation Selecting the method of entering the parameter Setting parametersParameter setup menu Sea state options windowMANUAL-CALM Deviation level options windowSetting parameters manually Example of Manual parameterWeather Track line and weather setting valueRudder angle and rudder gain setting Rudder GainGeneral guidelines for setting counter rudder gain General guidelines for setting rudder gainCounter Rudder Adjusting the sensitivity in monitoring the boat’s trim Auto trim options windowNav mode data source window When towing a netNAV Mode Auto net towing options windowRadius of Orbit Fish ModeWaypoint Switching Spiral SpeedActivating key beep Setting other menu itemsSystem setup menu Key beep options windowLocking the control unit Lock options windowSetting the panel dimmer Alarm Menu AlarmsAlarm menu Alarm interval options window Selecting the alarm buzzerAudio alarm options window Selecting the beep patternSetting the heading deviation alarm Setting the watch alarmWatch alarm options window Setting the cross-track error limit XTE alarm options windowSetting the speed alarm Speed alarm options windowSetting the depth alarm Depth alarm options windowTemp alarm options window Setting the temperature alarmSetting the trip distance alarm Log trip options windowClearing the trip distance Log trip clear options windowAlarm Information Alarm messages Alarm messages, their meanings and prioritiesMaintenance program Maintenance & TroubleshootingPreventive Maintenance Check point RemedyParts Name Type Code No Remarks Replacement of FuseDiagnostics Test options windowController Unit Test Processor Unit TestHeading Sensor Test Keyboard Test Screen TestRudder Setup and Auto Test Rudder testSystem Data Clearing MemoriesSystem data screen Error messages Error MessagesError message Meaning Remedy Error messages con’t Menu Tree MN-1Auto mode menu MN-2Processor Unit Control UnitInterface Environmental Conditions Power SupplyCoating Color Index IN-1
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500 specifications

Furuno 500 is a high-performance marine radar system that represents the forefront of maritime navigation technology. Designed for both commercial and recreational vessels, the Furuno 500 combines advanced radar capabilities with user-friendly features, providing mariners with accurate situational awareness on the water.

At the core of the Furuno 500’s performance is its high-definition radar display. Utilizing a powerful processor, it delivers crisp imagery and enhanced target detection, even in challenging conditions. The 12-inch or 15-inch LED display ensures visibility in bright sunlight while accommodating multiple viewing modes. The radar can switch between various settings, such as long-range scanning and short-range detail, providing flexibility based on navigation needs.

One of the standout features of the Furuno 500 is the advanced Target Tracking technology. This system allows mariners to monitor multiple targets simultaneously, enhancing safety during navigation. With features like Automatic Radar Plotting Aid (ARPA), the radar can predict the movement of vessels and assist in collision avoidance, offering peace of mind while navigating busy waterways.

Furuno has also integrated digital signal processing (DSP) into the 500 series, which enhances the radar’s ability to filter out noise and clutter. This means users can rely on a clear, precise image without distractions that could impact decision-making. Enhanced target resolution helps in identifying various objects and provides essential data for safe navigation.

The Furuno 500 is also compatible with various networking options, allowing easy integration with other onboard systems such as GPS, AIS, and multifunction displays. This connectivity is crucial for modern vessels, enabling a holistic approach to navigation by consolidating information into a single interface.

In addition to its robust technical features, the Furuno 500 is designed for durability and ease of use. The intuitive menu layout and simplified controls allow mariners of all skill levels to operate the system effectively. Its rugged construction ensures reliable performance in harsh marine environments, making it suitable for both commercial applications and leisure crafts.

In summary, the Furuno 500 radar system offers cutting-edge technology combined with practical features that enhance navigational safety and efficiency. Whether navigating busy ports or remote waters, this sophisticated system caters to the needs of modern mariners, making it an essential tool for any serious vessel.
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