Furuno 821, 841 manual Outputting Cursor Position to Navigator, Visual Alarm Indications

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2.30Outputting Cursor Position to Navigator

Cursor position (NMEA0183 data sentence TLL) can be output to the navigator con- nected to this radar by pressing and holding down the [HM OFF] key.

2.31Displaying Cursor Position, Range and Bearing to Cursor

The cursor data indication at the bottom of the display can show cursor position in lati- tude and longitude or the range and bearing from own ship to the cursor. You can select the indication desired by pressing the [HM OFF] key.

2.32 Visual Alarm Indications

This radar display various visual alarms to alert you to error.

Table 2-1 Visual alarm indications

Error

Visual alarm

 

 

No heading pulse

HD SIG MISSING

 

 

No bearing pulse

BP SIG MISSING

 

 

Heading signal

***.* (appears

turned off

as heading)

 

 

The heading signal visual alarm may be cleared by pressing the [DISP MODE] key.

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Contents Marine Radar First Edition AUG Useable Environment Safety ArrangementsElectrical Shock Hazard Ground both the Display Unit and the Antenna UnitTable of Contents Foreword FeaturesDisplay Unit SPECIFICATIONS- ModelAntenna Unit Transceiver Module contained in radomeVibration Power supply & power consumptionProtection features Warm-up time Modulator switching methodReceiver front end MIC Michoeave IC Bandwidth 7 MHz Duplexer Ambiont temperatureInterface Nmea Model 821/841 Page Model 821/841 ConfigurationPrinciple of Operation How radar works Control Description OperationTurning the Radar On Off Display Indications and MarkersSelecting the Range Adjusting LCD Backlighting and Display ToneAdjusting Control Panel Brilliance TransmittingSTC MAN Auto Adjusting GAIN, STC, A/C Rain and FTCHow to tune manually Tuning the ReceiverAdjusting A/C Rain Adjusting FTCMeasuring the Bearing Measuring the RangeTarget on collision course with your vessel? Menu OperationMenu description 11 Display modes Selecting the Display ModeWindow Display Selecting the Presentation ModeCU course-up WPT-UP waypoint-up Guard AlarmGuard Suppressing Radar InterferenceOff Centering the Display Suppressing Noise InterferenceSelecting Pulselength Navigation Data Display Echo TrailsPress the Menu key Select Nav Data and press the ENT key Echo Stretch magnifying long range echoesSelecting Bearing Reference Selecting Unit of Measurement for RangeWatchman Deselecting Ranges Erasing the Heading MarkerDisplaying Navigation Data During Stand-by Outputting Cursor Position to Navigator Visual Alarm IndicationsDisplaying Cursor Position, Range and Bearing to Cursor Super-refraction Interpreting the DisplayRadar Wave and Radar Horizon Target Properties and Radar Wave ReflectionRange Resolution Bearing ResolutionFalse Echoes Multiple echoes Blind and shadow sectors Nautical Chart and Radar PictureTroubleshooting procedure Maintenance & TroubleshootingSafety Information Forming any maintenance orReplacing the Fuse Preventative MaintenanceTroubleshooting table TroubleshootingSelf Test Self TestAntenna Unit Installation InstallationMounting platform Removing packing materialsVent tube How to fasten the radome base To the mounting platform Ships bow Removing packing materials 10 Antenna unit Model 841, inside view, shield cover removed 12 Optional mounting bracket installation for sailboat Display Unit Installation 13 How to mount the display unit 14 Display unit, rear view Procedure Option connectorInstallation Check List Displaying the Installation Menus Initial Adjustment of PictureRelative Bearing Alignment Entering Initial SettingsSweep Timing Closing the Installation MenusSignal cable connection Page Page Page Page Page Page Page