RH Marine Rhodium RADAR 4600 User manual

RH MARINE NETHERLANDS B.V.
Sluisjesdijk 155
P.O. Box 5054
NL-3008 AB Rotterdam
The Netherlands
T [phone]
F [phone]
[e-mail]
www.rhmarine.com
Reference number: 4111A-RADAR4600-GBD-R1.1
27 February 2018
Page 1 of 149
Rhodium RADAR 4600
User Manual
Date
27 February 2018
Reference
4111A-RADAR4600-GBD-R1.1
Project Name
Project number

User Manual
Reference number: 4111A-RADAR4600-GBD-R1.1
Date: 27 February 2018
Page 2 of 149
Rhodium Bridge Product Line
PPM
Main title
Date
User Manual RADAR4600
27 February 2018
Subtitle
Reference number
RADAR 4600
4111A-RADAR4600-GBD-R1.1
Version
R1.1
Total number of pages
149
Registration code
4111A-RADAR4600-GBD-Rx.x.x
Author
PPM
Quality control
PPM

User Manual
Reference number: 4111A-RADAR4600-GBD-R1.1
Date: 27 February 2018
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Table of contents
DISCLAIMER .................................................................................................................................................................................................7
1. 1 System overview ...................................................................................................................................................... 11
1.1 Introduction ...........................................................................................................................................11
1.2 System architecture.............................................................................................................................11
1.2.1 Stand-alone system ...............................................................................................................12
1.2.2 Large system.............................................................................................................................13
1.3 Software Components .......................................................................................................................14
1.3.1 Overview.....................................................................................................................................14
1.3.2 Sensor management..............................................................................................................14
1.3.3 Infrastructure management................................................................................................14
1.4 Hardware components ......................................................................................................................15
1.4.1 Overview.....................................................................................................................................15
1.4.2 Transceivers & ancillaries.....................................................................................................15
1.4.3 PC and Display types.............................................................................................................15
1.5 Interfaces.................................................................................................................................................16
1.5.1 Serial interface..........................................................................................................................16
1.5.2 VDR output................................................................................................................................16
1.5.3 Alarm contact ...........................................................................................................................16
2. Screen Contents........................................................................................................................................................... 17
2.1 Function groups surrounding The (Multi) radar IMAGE.......................................................17
2.2 Upper left corner..................................................................................................................................18
2.2.1 Lower left corner .....................................................................................................................18
2.2.2 Upper right corner..................................................................................................................19
2.2.3 Radar Control group..............................................................................................................19
2.2.4 Lower right corner ..................................................................................................................19
2.2.5 Upper centre line - Range selection................................................................................20
2.2.6 Menu blocks with info pages and function select .....................................................20
2.2.7 Rou................................................................................................................................................20
2.2.8 Route display and information..........................................................................................21
2.2.9 Colours of screen contents .................................................................................................21
2.2.10 Different kinds and states of selector buttons............................................................22
2.3 Radar image...........................................................................................................................................24
2.3.1 Heading, Stern and Beam line ...........................................................................................24
2.3.2 EBL and VRM ............................................................................................................................24
2.3.3 PI Lines ........................................................................................................................................24
2.3.4 Course scale ..............................................................................................................................25
2.3.5 Variable cursor symbols .......................................................................................................26
2.3.6 Own ship indication...............................................................................................................26
2.3.7 Monitored AIS and target symbols..................................................................................27
2.3.8 Multi radar images and multi target association (optional) ..................................28
3. Radar operation........................................................................................................................................................... 29
3.1 Operation tools.....................................................................................................................................29
3.1.1 Arrow buttons ..........................................................................................................................29
3.2 Switching radar ON/OFF...................................................................................................................29
3.2.1 Master or Slave control ........................................................................................................30
3.3 Basic Radar operation ........................................................................................................................30

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3.3.1 Switch on System....................................................................................................................30
3.3.2 Radar ranges.............................................................................................................................31
3.3.3 Delete range rings [RR].........................................................................................................31
3.3.4 Manual tuning of radar image...........................................................................................32
3.3.5 Automatic tuning - AFC........................................................................................................32
3.3.6 SEA and RAIN adjustment...................................................................................................32
3.3.7 Automatic Sea Clutter (ASC)...............................................................................................34
3.3.8 Functionality of ASC...............................................................................................................34
3.3.9 Using ENHANCE function....................................................................................................36
3.3.10 Interference rejection –IR ...................................................................................................37
3.3.11 Adapt transmit pulse length...............................................................................................37
3.3.12 Brilliance parameter...............................................................................................................38
3.3.13 Day and Night Colours .........................................................................................................38
3.3.14 Options for Heading-, Stern- and Beam-line ..............................................................39
3.3.15 Suppress of synthetic lines..................................................................................................39
3.3.16 Set True Scaled Outline. .......................................................................................................40
3.3.17 Reference position for Own Ship......................................................................................40
3.3.18 Automatic correction for two antennas.........................................................................40
3.4 Extended RADAR settings.................................................................................................................41
3.4.1 Picture presentation modes................................................................................................41
3.4.2 Radar image motion modes...............................................................................................41
3.4.3 Select Azimuth modes ..........................................................................................................44
3.4.4 Heading line Reset in C UP mode ....................................................................................44
3.4.5 True or Relative bearing scale............................................................................................45
3.4.6 Select Motion modes ............................................................................................................45
3.4.7 Set Own Ship position ..........................................................................................................45
3.4.8 Ships position in TM Mode.................................................................................................45
3.4.9 Course/Speed through water or over ground ............................................................46
3.4.10 Manual Speed plus Set and Drift......................................................................................46
3.4.10.1 Manual Speed ..........................................................................................................................46
3.4.10.2 Set and Drift corrections ......................................................................................................46
3.4.10.3 Examples of displaying Stabilizing Modes....................................................................47
3.4.11 Target trails (Afterglow) as track of past positions....................................................49
3.4.12 Imitated target trail in TM ...................................................................................................51
3.4.13 Set speed and course vector..............................................................................................51
3.4.14 Set own ship vector and past track..................................................................................52
3.4.15 COG/SOG degradations at slow speed conditions ...................................................53
3.4.16 True motion presentation by reference target ...........................................................54
3.4.17 Different solutions with reference target ......................................................................56
3.4.18 Downgrading by using Ref. Target or SDME...............................................................58
3.4.19 Loss of Reference Target .....................................................................................................59
3.4.20 Limitations in case of data loss .........................................................................................59
3.5 Distance and bearing measurements ..........................................................................................61
3.5.1 Cursor position ........................................................................................................................61
3.5.2 Variable Range Marker –VRM...........................................................................................61
3.5.3 Electronic Bearing Line - EBL..............................................................................................62
3.5.3.1 EBL with a dash mark for VRM setting ...........................................................................63
3.5.4 Combined EBL/VRM function - ERBL..............................................................................63
3.5.4.1 Alternative ERBL setting .......................................................................................................63
3.5.4.2 Padlock function......................................................................................................................63
3.5.5 Floating EBL/VRM (OFFSET)................................................................................................64
3.5.6 True or Relative Bearing.......................................................................................................64

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3.5.7 Parallel Index Lines - PI.........................................................................................................67
3.6 Target monitoring................................................................................................................................69
3.6.1 Target control dependent on picture stabilisation....................................................69
3.6.2 Automatic Target Tracking..................................................................................................70
3.6.3 Function Buttons for Target Monitoring .......................................................................70
3.6.4 How to acquire target data.................................................................................................71
3.6.5 Menu settings for Target Tracking...................................................................................72
3.6.6 AIS target monitoring ...........................................................................................................73
3.6.7 Settings for AIS targets.........................................................................................................73
3.6.7.1 Suppress far away AIS-targets...........................................................................................74
3.6.8 How to operate with AIS Targets .....................................................................................74
3.6.9 Association of AIS- and Tracked Targets.......................................................................75
3.6.9.1 Temporary priority change of associated targets......................................................76
3.6.10 Detailed data by target selection .....................................................................................77
3.6.11 List of AIS- and tracked targets.........................................................................................78
3.6.12 Past Position track ..................................................................................................................79
3.6.13 Menu settings for Lost Target Alarming........................................................................79
3.6.14 Alarm settings for Collision Avoidance - CPA/TCPA.................................................80
3.6.15 Alarm Zone for automatic acquiring targets ...............................................................81
3.6.16 Target overload situation ....................................................................................................82
3.6.17 Affect between monitored targets by varying settings ...........................................82
3.6.18 Performance specification for tracked and for AIS-targets....................................83
3.6.19 Multi radar functionality (Optional).................................................................................85
3.6.20 Working with multi radar display (optional) ................................................................88
3.6.20.1 Switching between radar layers ........................................................................................88
3.6.20.2 Settings for tracked target association ..........................................................................91
3.7 Alarms and warnings ..........................................................................................................................92
3.7.1 General........................................................................................................................................92
3.7.2 Alert priorities...........................................................................................................................92
3.7.3 Alert categories........................................................................................................................92
3.7.4 Alert escalation ........................................................................................................................93
3.7.5 Indication of alerts..................................................................................................................93
3.7.6 Acknowledgement of alerts:...............................................................................................93
3.7.7 Alarms regarding the guard zone ....................................................................................94
3.7.8 System and Software faults ................................................................................................95
3.7.9 Indication of warnings ..........................................................................................................96
3.7.9.1 List of possible warnings......................................................................................................96
3.7.10 Calling a technical service....................................................................................................97
3.8 MISCELLANEOUS .................................................................................................................................98
3.8.1 Clock time settings.................................................................................................................98
3.8.2 MAP function............................................................................................................................98
3.8.3 Show Route Line and Waypoints......................................................................................99
3.8.4 AIS Radio SRM Messages .................................................................................................100
3.8.4.1 Check of Own Ship AIS message...................................................................................100
3.8.5 Order of preferences for NMEA sentences................................................................101
3.8.6 Operational hours of transceiver...................................................................................101
3.8.7 User Control Settings .........................................................................................................101
4. Test and simulate facilities ....................................................................................................................................102
4.1 Performance monitor options......................................................................................................102
4.1.1 Sperry or Litton scanner....................................................................................................102
4.2 Using virtual test targets................................................................................................................103

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4.2.1 Collision situation ................................................................................................................104
4.2.2 Check of tracking mode by virtual test targets........................................................105
4.3 Trial manoeuvre.................................................................................................................................108
4.3.1 Trial procedure......................................................................................................................109
5. Standardised target symbols................................................................................................................................110
5.1 Own ship symbols.............................................................................................................................110
5.2 Tracked target symbols ..................................................................................................................111
5.3 AIS symbols .........................................................................................................................................112
5.4 Associated targets ............................................................................................................................114
5.5 ATON and SART targets.................................................................................................................115
5.6 Lost targets..........................................................................................................................................118
6. AIS reporting rates....................................................................................................................................................118
7. ABOUT TARGET DETECTION AND INDICATION ..........................................................................................119
7.1 Basic principle of target detection .............................................................................................119
7.2 Echo strength in Relation to target surface angle ...............................................................119
7.3 Echo strength in relation to target consistency....................................................................120
7.3.1 Improved echo strength by radar reflectors.............................................................120
7.4 Minimum detectable distance .....................................................................................................120
7.5 Maximum detection range............................................................................................................121
7.5.1 Target detection ranges subject to regulations.......................................................121
7.6 Target discrimination in relation to beamwidth ...................................................................122
7.7 Target discrimination in relation to Pulselength ..................................................................122
7.8 Blind and shadowed target areas...............................................................................................122
7.8.1 Blind or shadowed areas...................................................................................................123
7.9 False targets ........................................................................................................................................123
7.10 Target enhancer ...................................................................................................................125
7.10.1 RACON targets......................................................................................................................125
7.10.2 SART targets...........................................................................................................................125
7.10.3 Active Radar Target Enhancer - RTE.............................................................................126
7.10.4 Corner reflectors as passive enhancers.......................................................................126
7.10.5 Adapted radar settings for SART/RACON targets ..................................................126
7.11 Damping effects by precipitation..................................................................................127
7.12 Target detection in sea clutter........................................................................................128
7.13 Other factors compromising performance................................................................129
8. Charts (optional)........................................................................................................................................................130
8.1 The Chart RADAR presentation ...................................................................................................130
8.1.1 Chart radar menu.................................................................................................................130
8.1.2 Map menu „CHART“ ...........................................................................................................131
8.1.3 Chart Shifting.........................................................................................................................131
8.2 Chart Handling...........................................................................................................................................................132
9. Maintenance and troubleshooting ....................................................................................................................133
9.1 Periodic maintenance schedule...................................................................................................133
9.2 Trouble shooting...............................................................................................................................135
9.2.1 General Issues for TFT Panel based Products ...........................................................137
9.2.2 General Issues for Computer Panel based Products..............................................137

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10. Hatteland monitor ....................................................................................................................................................139
10.1 Start-Up ...................................................................................................................................139
10.2 Brightness adjustment controls .....................................................................................140
10.2.1 Automatic Power Light Dimming ..................................................................................140
Annex I –Abbreviations and Standard Terms...........................................................................................................................141
Annex II –Radar and Ecdis related terms and definition .....................................................................................................144
DISCLAIMER
The re-use and transcription of this operation manual needs permission of RH Marine. RH Marine prohibits
the unauthorized re-use and transcription.
Specification of described equipment and the content in this manual are subject to be changed without
notice.
RH Marine is not liable for damage and trouble arisen from misunderstanding the content described in this
manual.
RH Marine is not liable for earthquake, lightning, fire, action by third party, other accident, customer’s
unintended error/abuse and damage caused by the use under other abnormal condition.
RH Marine is not liable for damage of accompaniment (change/loss of memorized content, loss of business
profit, stop of business) arisen from use or failure of our product.
If the stored data is changed or lost, irrespective of any cause of trouble and damage, RH Marine is not
liable for it.
RH Marine is not liable for any damage arisen from malfunction caused by combination of software and
connected equipment they do not involve.
The features, functionality and capability which are described in this manual are not necessarily present in all
versions or configurations of the RADAR 4600 system. In the manual used screenshots may differ from
actual RADAR 4600 used screen layout, colours, text or format.

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Date: 27 February 2018
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WARNINGS AND CAUTIONS
REGARDING PERSONAL INJURY
WARNING: Lethal Voltage Hazard
When access covers are removed, lethal voltages may be exposed. Some capacitors used in the equipment
take several minutes to discharge their stored voltages after switch OFF; this is a lethal voltage hazard.
Always set the supply switch-fuse to OFF and remove the fuses, before removing the access covers of the
equipment.
WARNING: Health Hazard
When cleaning the inside of the equipment, take care not to inhale dust. The dust may be a temporary
health hazard, depending on individual allergies.
WARNING: Radiation Hazard
Keep outside the hazard zone around an antenna or open waveguide radiating power. Refer to the table
below for hazard zones. When it is necessary to work on the Scanner Unit, make sure that RADAR is
switched OFF, and that both the Mains Isolator and the Scanner Control Unit are turned to the OFF position.
Never look directly into an open waveguide!
Radar and other forms of RF radiation can cause Cardiac Pacemakers to malfunction. If you use a Cardiac
Pacemaker and suspect a malfunction, leave the vicinity of the Radar system immediately and seek medical
advice.
Most countries accept that there is no significant radiation hazard at RF power density levels of up to
10mW/cm2. See below the table for antenna versus safe distance.
Hazard Zones
Antenna Length
10 mW/cm²
1 mW/cm²
1.2m X-Band
1.7 m
17 m
1.8m X-Band
1.05 m
10.5 m
2.4m X-Band
0.75 m
7.5 m
2.7m S-Band
0.73 m
7.3 m
3.7m S-Band
0.55 m
5.5 m

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WARNINGS REGARDING SYSTEM EQUIPMENT
CAUTION:
Electrostatic Sensitive Devices (ESSDs)
This equipment contains ESSDs. Take care not to
damage these devices by discharge of electrostatic
voltages.


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Date: 27 February 2018
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NOTICE
This document contains proprietary information.
No part of this document may be photocopied, reproduced of
translated into another language without prior written consent of
RH Marine
Updates
In the table below the corrections are recorded of those parts that have changed since the previous version.
Version
Date
Change/Correction
Reason
1.0
2010-07

First release
1.1
2018-02
Changed to RH Marine layout
Imtech references changed



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1. 1 System overview
1.1 Introduction
The RH Marine Radar 4600 is a radar system which meets or exceeds the minimum requirements posed by
IEC62388 for a CAT 1 radar.
The following optional features mentioned in IEC62388 are present:
Route display
VDR output via Ethernet
Multiple radars
Networked system
Activation of the optional chart radar feature makes the system suitable for IEC CAT 1C equipment category
1.2 System architecture
Radar 4600 is a modular and scalable PC-based radar system, built from 3 main building blocks:
Transceiver unit (X- or S-band)
Radar server (signal processing unit, 1 required for each transceiver).
Radar client (display unit, display sizes meet CAT1 or CAT2 requirements).
A radar server consists of:
Radar server software
PC
Radar interface card
A radar client consists of:
Radar client software
PC
TFT display
Track ball
With these building blocks it is possible to deliver stand-alone systems, combining signal
processing and display on a single PC as well as networked radar systems consisting of multiple transceivers,
servers and clients, exchanging data via a LAN with other applications running on the same PCs and/or
exchanging data via the same LAN.

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1.2.1 Stand-alone system
The stand-alone version of Radar 4600 consists of the following components:
1 Transceiver + radar antenna
1 PC + serial interface + radar interface card
1 TFT display & track ball
All software described in chapter 3.
The system can be expanded with up to 9 additional radar clients that are connected to the main radar
system via a LAN.

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1.2.2 Large system
Typical for a large system are the following features:
Sensor data management is handled primarily by 2 sensor server PCs. These provide sensor data via
a redundant LAN to the radar servers.
The Radar server and primary radar HMI software run on different PCs. Data is exchanged via a
redundant network (100Mbit LAN). These PCs can also run other client applications.
Each radar HMI can display data from each radar server.
In order to cope with complete failure of the network (fall-back scenario), the radar servers are
equipped with a direct interface and run radar HMI software. This allows the radar servers to
function as stand-alone radars in the fall-back scenario when a display and track ball normally
connected to a multifunction station are connected to the radar server.
Stand-alone functioning of the radar system is realized by fall-back sensor data connections and a
direct connection to the display and track ball. In this case the radar system works without network.
Stand-alone is not a normal operational mode and is only to be used as fall-back in case of
complete failure of the Ethernet network.
The minimally necessary navigational data is always provided directly to the radar server (see fall-
back data lines in the figure). Note that in stand-alone mode the client software is run on the server
PC.

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1.3 Software Components
1.3.1 Overview
The radar software consists of several components. The following components are identified:
A radar server package of software that handle the digitization of the video signal, image
processing and target tracking and association.
The radar client software provides the visualization of the radar system
RH Marine sensor management converts serial NMEA data to the network and vice versa and
communicates this data to/from the radar server (e.g navigational sensor data, ECDIS route data,
and alarm data).
Infrastructure software is used for ensuring and monitoring the integrity of all software running on
each PC and the status of the network (if applicable). This also includes minimizing applications that
are not in the foreground, which lowers total CPU load and prevents applications interfering with
each other.
1.3.2 Sensor management
RH Marine sensor management is responsible for
Converting serial NMEA data to TCP/IP and vice versa
Communicating data to/from the radar server (e.g nav sensor data, ECDIS route data, alarm data
Validation of NMEA inputs
Data selection & automatic switch-over in case multiple sensors provide the same type of data (e.g.
2x Gyro compass or GPS and bottom-track system).
1.3.3 Infrastructure management
The infrastructure tasks are primarily responsible for ensuring & monitoring the integrity of the other
software tasks. Application Manager software runs on each PC, while each system has 1 (stand-alone) or 2
System Managers (compact/integrated) running.
Application Manager
The Application Manager executes the following tasks
Automatic start-up of the software modules that have to run on a specific system.
Providing system status data
Ensuring that in an integrated environment with multi-purpose workstations the minimum HMI
requirements are met (at least on one station a Conning application will be on top).
System Manager
System Manager is a module that monitors and exchanges alarm and status from the various application
managers. Furthermore it monitors and possible alarms on network integrity.
Time synchronization
The system clocks on all PCs are synchronized by 2 applications:
1. Time server (present on all sensor servers)
2. NTP client (on all other PCs)
These applications have no direct link to the other software components. The time synchronization ensures
the consistency of all time-related data across the system (such as time stamping of alarms).

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1.4 Hardware components
1.4.1 Overview
Since Radar 4600 is a PC-based radar system the hardware components can be divided into transceiver-
related hardware and PC-related hardware. The transceivers & antennas are intended for exposed
application, the other equipment is intended for protected application.
1.4.2 Transceivers & ancillaries
The system supports the following transceivers, antennas & ancillary units:
Sperry
Sperry Marine VisionMaster FT/Bridgemaster E (legacy)
RADAR scanners: X-Band and S-Band
1.4.3 PC and Display types
Different Hatteland PCs and different TFT displays with 23" (16:9) are available.
In either case they comply or override the requirements of CAT1 and CAT2 display-diameters according to
Table 1 and Clause 6 of IEC 62388 Standard.

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1.5 Interfaces
To comply with all requirements of a CAT 1 radar, data receiving from following additional sensors must be
implemented:
Heading data from a gyro compass
Speed data from a single or dual axial speed log
Position data from a GPS receiver
AIS data from an AIS-receiver
All sensors must comply with IEC standards and IMO resolutions
1.5.1 Serial interface
The system supports the following NMEA 0183 / IEC61162 serial messages:
1.5.2 VDR output
The output to a VDR (VGA or DVI-I or IEC61162-450) is available. In case of multiple radar clients, the screen
image from a client (or multiple) is captured and sent to the VDR output of the bridge system.
1.5.3 Alarm contact
A PLC provides the required alarm contacts. When part of an integrated system, this PLC might also be used
for other purposes.

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2. Screen Contents
2.1 Function groups surrounding The (Multi) radar IMAGE
The monitor screen is separated into following parts:
Radar image as a big circle area.
Upper left corner, mainly including navigation data of own ship.
Lower left corner with adjustable parameters for the selected radar transceiver.
Centre top line up of the radar image with selector functions for radar ranges and for range rings.
Upper right corner with function buttons for presentation-modes and with cells for information of
cursor position and CPA/TCPA limits.
Lower right corner with EBL and VRM functions.
Menu-blocks as columns on right side of radar image for activating of variable adjustment
functions and of different information pages.
Upper left corner centre top line Upper right corner
Selector buttons
to open lists of
selected targets,
AIS targets or
activated alarms
Information
pages or menu
details with
setting options
Menu block
Route information
Lower left corner Lower right corner

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2.2 Upper left corner
This part mainly shows navigational information of own ship (OS).
OS heading from compass
Lat/Lon position of OS
COG and SOG of OS (or CTW and STW)
Screen Dimming Selector button for DAY light
(or for DUSK or NIGHT)
OS Speed
Quality of GPS Position
Selector button:
[GND STAB] - Ground stabilized or
[SEA STAB] - Sea stabilized or
GND MAN] –Ground stabilized by
manual settings
Note: If transmitted sensor data are unsafe for a high quality of data calculation, the regarding indication
changes from green (blue in later versions) to yellow, to signal a caution state. If no or invalid data are
available, the indication of data kind changes to red and only some dashes are shown instead of data values.
2.2.1 Lower left corner
This part contents settings and adjustment functions for the radar transceiver to get an optimum of target
indication.
Activated functions are shown in blue colour.
Interference rejection
Target enhance can be selected as
‘ENH Off’, ‘- Slight’, ‘- Medium’ or ‘- Strong.
‘GAIN’ can be altered by click and move.
‘RAIN’ and ‘SEA’ can be adjusted by click
and move, or by selecting an ‘ASC’ Mode.
Tune signal strength of received echoes.
‘TUNE’ can be adjusted by click and move,
or automatic by selecting [AFC].
[TX] –switchable to [STBY] or ‘TX’
(TX/STBY is in above picture blocked)
Transmitting pulse, selectable depending on
selected range as [SP], [MP] or [LP]

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2.2.2 Upper right corner
This part contents a mix of data information, value settings and selector buttons.
Limit setting for CPA in NM
and TCPA in minutes
Cursor position with TTG to cursor, Distance and
BRG from OS, plus Lat/Lon position of cursor
Actual time and date
UTC or Local Time [LT]
Trail mode and time setting of
trail length
Vector mode and length setting
Window for operation relating
Information (in this case a warning
regarding alarm filter and AIS)
[ALERT], [TT], [AIS]
Selector buttons to open lists of alarms, separate
selected target and separate selected AIS target.
2.2.3 Radar Control group
Selector buttons for presentation mode of radar image and for target information.
[N UP] or [C UP] or [H UP STAB] or [H UP]
[T BRG Scale] or [R BRG Scale]
[TM] or [RM]
[SEL TGT] - Select up to 2 single AIS- or Tracked targets
[CENT] –OS back to Centre / [RESET] –Manual OS position reset (only
in TM available) / [ACT AIS] –set AIS symbol from sleeping to active
targets or vice versa.
[OFF CENT] –OS to cursor position /
[ACQ TGT] –get Data from marked target
[DEL TGT] –Stop data acquiring of a target
[AIS] –Show AIS symbols (or suppress AIS symbols)
2.2.4 Lower right corner
This part mainly contents EBL and VRM functions, plus one button for switching off the synthetic lines.

User Manual
Reference number: 4111A-RADAR4600-GBD-R1.1
Date: 27 February 2018
Page 20 of 149
Click and hold this button to suppress all synthetic lines and symbols of radar
image. They are activated again, when leaving the button.
Bearings can be selected in true or relative.
The combined [EBL/VRM] button gets an active function, when one of the [EBL]
or [VRM] buttons is activated. Then the cursor is dedicated to those selected
function. If the cursor shall be left for basic functions, the [EBL/VRM] button
must be set to Off.
2.2.5 Upper centre line - Range selection
The upper centre field shows range buttons and the range ring On/Off button.
Clicking the arrows, changes to next range.
Click and hold [Range Rings]
to suppress synthetic lines
Clicking the RNG bar, changes the line to single buttons
with adjacent ranges, to select direct one of them.
2.2.6 Menu blocks with info pages and function select
Clicking one of the three topside selector buttons opens a regarding list of targets with alarming state, or
one of two lists with separate selected radar- or AIS targets.
Beside example shows data of two selected tracked targets. (Target no. 2 is associated with an AIS target).
If [AIS] is selected, also ships names are shown.
Ship names are often longer than the column wideness. To get the full name, set the cursor onto the name.
With short delay, the first column is suppressed and both target columns are shown enlarged.
Clicking one of the downside menu buttons*
opens a regarding window with different activation
functions or lists of acquired targets.
2.2.7 Rou
(Example shows menu [TT] with activated sub
menu ‘AIS Targets’, with a list of all received
AIS messages).