Raymarine 420D manual Alarms, Range key operates normally to change chart scale

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3-30	RayChart 420/420D Chartplotter

•Marks the current position as a temporary waypoint with an MOB symbol which replaces any current active waypoint and route.

•Displays the MOB data box, showing the bearing and range to the MOB position, the elapsed time since the MOB was initiated and COG data.

•Sends an MOB message, including bearing and range, to other units in the system, via NMEA.

Notes: (1) A suffix (c) to the POSition data indicates that the vessel’s position has been User Calibrated, see Chart Set Up, Chapter 4.

(2)The RANGE key operates normally to change chart scale.

To cancel MOB, press and hold the GOTO key for 2 seconds.

The chart is re-drawn at its previous scale and the MOB symbol and data box are removed.

3.9 Alarms

The chartplotter reports the following alarms:
‰Alarm	Indicates:
Arrival	Your vessel has arrived at the active waypoint: it has either
	reached the arrival circle (the radius of which is specified) or,
	has reached its closest point of approach (defined by a line
	passing through the waypoint and perpendicular to the track).
XTE	Your vessel has exceeded the specified distance (maximum
	cross track error) from the active route leg.
Anchor	Your vessel has drifted from its anchor position (set when the
	alarm was turned on) by more than the specified distance.
No Fix	GPS fix or Differential data has been lost for more than 30 s.

The alarms are switched on or off, and the limits set, using the Chart Set Up function via the PAGE key menu, see Chapter 4.

When an alarm is triggered, the alarm buzzer sounds and a pop-up window, describing the alarm, is displayed.

To silence the alarm and clear the message, press any key.

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Contents Distributed by Raychart 420/ 420D Chartplotter Page Safety Notices RayChart 420 and 420D Chartplotter Owner’s HandbookUnited States Preface WarrantyEMC Conformance RayChart 420/420D Chartplotter Contents Join a route Advance to a waypoint Table of Contents Vii For accessories and parts Table of Contents RayChart 420/420D Introduction OverviewHow this Handbook is organised General Chartplotter displayDisplay functions Display options Operating controls128 nm Trackpad and cursorFunction bar Dedicated keysDatabase lists Pop-up menusConventions used Getting startedSimulator Switching on/off Chart simulator Controlling the display Selecting the display modeTime 1234 Date 26/01/99 Using Find Ship Moving around the chartStatus Bar Chart range Changing the chart scale128 nm Using Navionics Nav-Chart cardsInserting a Nav-Chart card Displaying the chart data Removing a Nav-Chart cardDisplaying chart information To obtain port services information RayChart 420/420D Chartplotter Operation SafetyWorking with waypoints IntroductionPlacing a waypoint Operation Selecting a waypoint Editing the waypoint details Enter Moving a waypoint Erasing a waypointWorking with routes Creating a new route Saving the Current Route Retrieving a route from the database Clearing the current route from the screenErasing or renaming a route Displaying route leg and waypoint informationEditing a route To add a waypoint to the end of a route Inserting/deleting waypoints in a routeFollowing routes and going to target points Reverse a route Follow a routeAlter a route Target point arrivalJoin a route Advance to a waypoint Restart Cross Track Error XTEGo to a waypoint Going to an individual targetGo to a port Go to cursorStop follow or stop goto Changing the display modeCDI display BDI display Waypoint data BRG 234 T RNG 12.4 nmNavigation data COG 230 T SOG 6.8 KtsTime/Date Data Time Date 26/01/99Displayed waypoints Transferring waypoints and routesManaging database lists WPT/ROUTE Transfer Using tracksSetting Setting up a trackClearing the current track Man Overboard MOBSmartRoute‰ Range key operates normally to change chart scale AlarmsSystem set up parameters Setting up the chartplotterMenu Options Factory New Default Setting Key beep Bearing modeUnits VariationLanguage Time offsetSimulated SOG Simulated COGChart set up parameters Parameter Options Factory New Default Setting Waypoint symbol Plotter modeOrientation Show waypointsXTE alarm Anchor alarmChart text Screen amplifierDepth contours 5M Chart boundariesDepth contours 10M Depth contours 20MGPS setup Setting Up the Chartplotter RayChart 420/420D Chartplotter EMC Installation Guidelines InstallationSuppression ferrites Unpacking and inspecting the componentsConnections to other equipment Items Missing? LocationRegistering this Product Selecting the best location122 mm 4.8 Mounting the chartplotter Connecting to other equipmentTrunnion yoke mounting Panel mountingD47221 GPS connector Chartplotter connectorsCabling POWER/NMEA connector Function Color System Check and Initial Switch OnSystem Check Initial Switch OnChecking the Chartplotter Operation RayChart 420/420D Chartplotter Maintenance Maintenance & fault findingServicing and Safety Routine checksTwo types of reset are available for the Chartplotter Resetting the systemFault finding Problem solvingFor accessories and parts How to contact Raytheon Marine USFor product repair and service Worldwide supportHow to contact Raytheon Marine Europe RayChart 420/420D Chartplotter Y2K Appendix a SpecificationRayChart 420/420D Chartplotter Appendix B Nmea data RayChart420 COG Appendix C List of abbreviationsRayChart 420/420D Chartplotter Cut out Shaded area Only RayChart Warranty Limitations Limited Warranty CertificateUnited States of America Factory Service Centers