Page
General
How to discard this product How to discard a used battery
European Union
USA
Safety Instructions
Table of Contents
Plotter Operation
10.4
AIS Operation
Vii
MAINTENANCE, Troubleshooting
Model Output Range Radar antenna size, type Rotation speed
Features
Viii
Foreword
System Configurations
Single-unit NavNet system GD-1920C-BB
Single-unit NavNet system GD-1920C-BB
Two-unit NavNet system
Xii
Two-unit NavNet system
Three-or-more-unit NavNet system Max units
Control unit
Operating Controls
Radar and plotter displays
Soft keys
Processor unit
Inserting a Chart Card
Turning the Unit On/Off
Brilliance adjustment soft keys
Adjusting Hue, Panel Illumination
Hue window
Night Day Twilight
Selecting a Display
Panel brilliance setting window
Display modes
Display screens
Radar combination screen selection window
Selecting a display
Display screen selection window
To adjust plotter
Switching control in combination and overlay screens
Radar source and sounder source windows
Selecting image source
Select source menu
Cursor, cursor data
Trackball, Cursor
MOB mark messages
Entering the MOB Mark, Setting MOB as Destination
MOB concept
Showing, hiding data boxes with soft key
Data Boxes
Rearranging data boxes
Temporarily erasing a data box
Function Keys
Function Default Setting, Key Label
Executing a function
Function keys
Radar
Simulation setup menu
Simulation Display
Sounder
Plotter
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Radar display
Radar Display
Transmitting, Stand-by
Adjusting the Gain
Tuning
Tuning window
Gain sensitivity window
Effect of A/C SEA
Reducing Sea Clutter
How the A/C SEA works
Adjusting the A/C Rain
Adjusting the A/C SEA
SEA setting window
Rain setting window
Pulselength
Range Scale
Range scales nm, sm
Range scales km
Selecting a presentation mode
Presentation Mode
Signal process soft keys
Function Indicator on display Soft key label
Head-up
Description of presentation modes
Course-up
North-up
Measuring the Range
How to measure range to a target with the cursor
Measuring range by range rings
Measuring range by cursor
Various VRM operations
How to measure range with the VRM
Measuring range by VRM
Measuring bearing by cursor
Measuring the Bearing
Measuring bearing by EBL
Various EBL operations
Reducing Noise Interference
Erasing the Heading Line, North Marker
Rejecting Radar Interference
Radar interference
Zooming radar targets
Zoom
Target no. selection window
Zooming ARP, TTM targets
Zoom
Shifting the Picture
Setting automatic shift maximum speed
Manual shift
Automatic shift
Predicting collision course with the offset EBL
Using the Offset EBL
Predicting collision course
Measuring range and bearing between two targets
Measuring range & bearing between two targets
Trail time
Echo Trails
Sample echo trails
Trail soft keys
Trail gradation
Starting echo trails
Trail color
Multitone and monotone trails
Echo Stretch
Echo trail mode
Trail mode window
Effect of echo averaging
Echo Averaging
Target soft keys
Outputting TLL Data
How to set a guard alarm zone
Guard Alarm
Setting a guard alarm zone
Cancelling the guard alarm
When the alarm is violated…
Watchman
How watchman works
Suppressing Second-trace Echoes
Setting watchman stand-by interval
Watchman window
Second-trace echoes
Waypoint marker
Waypoint Marker
26 ARP, TTM Operation
Usage precautions for ARP
Activating/deactivating ARP, TTM
ARP setup menu
Acquiring and tracking targets ARP
ARP target info window
Automatic acquisition area window
ARP plot symbols
Automatic acquisition
Terminating tracking of ARP targets
Displaying target number ARP, TTM
Terminating tracking of selected targets
Terminating tracking of all targets
Vector reference, vector time
Setting vector attributes ARP
What is a vector?
26.7 ARP, TTM target data
Displaying past position ARP
Past position displays
History interval window
ARP target data
26.8 CPA/TCPA alarm ARP
Canceling a lost target
Lost target alarm ARP
Lost target mark
CPA distance
False echoes
Interpreting the Radar Display
Multiple echoes
Sidelobe echoes
Shadow sector
Appearance of Sart signal on the radar display
Sart Search and Rescue Transponder
Racon Radar Beacon
General procedure for detecting Sart response
Appearance of racon signal on the radar display
Full-screen plotter display
Plotter Displays
Full-screen plotter display
Nav data window
Plotter Operation
Contents of nav data window
Compass display
Nav graphic display
Compass display
XTE range setting window
Reading the XTE cross-track error monitor
Anemometer display
Anemometer display
Highway display
Highway display
Nav data displays
Nav data display
Perspective C-map only
Auto course-up
North-up
Course-up
Chart Cards
Chart Scale
Chart card overview
Shifting the Display
When a chart cannot be displayed
Indices and chart enlargement
Sample chart Japan, showing indices
Port service icons
Navionics Gold charts
Plotter display, showing port service display
Data for aids to navigation
Current data display
Current or tide data
Object information
Object information window
Find window
Find function
Cursor and data display
MAP charts
Objects window
Example of caution area window
Object windows
Icon data
Lighthouse icon
Tide window
Sample lighthouse data
Tide information
Find function
Map, port service display
Date window
Displaying track
Working with Track
Own ship track
Track control menu
Own ship’s track
Stopping, restarting plotting of own ship track
Changing track color
Own ship track color window
Track plotting method and interval for own ship track
Track plotting method
Interval window
Track plotting interval
Changing own ship track/mark distribution setting
Interval windows
Track memory window
Erasing own ship track by area
Erasing track
Erase menu
Erasing own ship track by color
Entering a mark, line
Marks, Lines
Erase track by color window
Erasing all own ship track
Selecting line type
Changing mark attributes
Marks & lines menu
Marks shape window
Lines style window
Erasing marks, lines
Erasing an individual mark
Erasing an individual line
Entering waypoints
Waypoints
Erasing all marks, lines
Entering a waypoint at own ship position
Waypoint mark color selection window
Waypoint window
Waypoint mark shape selection window
Entering a waypoint by range and bearing
Entering a waypoint from the waypoint list
Editing waypoint data
Alphanumeric and local waypoint lists
Editing waypoint data from the waypoint list
Editing a waypoint from the plotter display
Erasing waypoints
Plotter display
Erasing a waypoint directly from the plotter display
Chart configuration menu
Changing waypoint mark size Navionics Gold charts
Erasing a waypoint from the menu
Erasing a waypoint from the waypoint list
Alphanumeric list
Searching waypoints
Creating routes
Routes
Entering a route with existing waypoints
Route menu
Creating voyage-based routes
New route entry screen
Entering a route with the cursor
Displays for entry of time, distance interval
Save route menu
Save route window
Connect route window
Connecting routes
Inserting a waypoint from the route list
Inserting waypoints
Edit route menu
Waypoint list for editing a Route local list
Inserting a waypoint from the plotter display
Removing waypoints from a route
Removing a waypoint from the route list
Removing a waypoint from the plotter display
Erasing routes
Navigation
Navigating to a quick point
Selecting quick point entry method
Navigating to a single quick point
Navigating to waypoints
Navigating to multiple quick points
Selecting a waypoint from the plotter display
QP window
Navigating to ports, port services NavChartTM only
Selecting an external waypoint
Select Service
Port services and sample port list
Selecting the route to follow
Following a route
Plotter display, route selected as destination
Navigating waypoints in reverse order
Log display
Example of when to restart navigation
Restarting navigation
Switching waypoints
Setting speed for ETA calculation
Automatic waypoint switching methods
Select speed for ETA window
On the plotter display
Canceling route navigation
Through the menu
Audio alarm on/off
Alarms
Plotter alarm menu
Audio alarm window
Arrival alarm window
Arrival alarm
How the arrival alarm works
Anchor watch alarm window
Anchor watch alarm
How the anchor watch alarm works
Speed alarm
XTE Cross-Track Error alarm
How the XTE alarm works
XTE alarm window
Trip alarm
Proximity alarm
Proximity alarm window
Trip alarm window
Grounding alarm window
Grounding alarm C-MAP specification
Plotter alarm menu,
Alarm information
Message Meaning
Alarm messages
Plotter alarm messages and their meanings
General setup menu,
Resetting Trip Distance
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Selecting a sounder display
Display mode window
Sounder Displays
Single-frequency display
Description of sounder displays
Indications on the single frequency display
Dual-frequency display
Marker-zoom display plus normal sounder display
Sounding area and transmission frequency
Marker-zoom display
Bottom-zoom display plus normal sounder display
Bottom-zoom display
Bottom-lock display
Bottom-lock display plus normal sounder display
Bottom discrimination display
Bottom discrimination display
Scope display display only
Scope display
Selecting screen split method in combination displays
Automatic Sounder Operation
How the automatic sounder works
Types of automatic sounder modes
Selecting the manual mode
How to enable automatic sounder operation
Manual Sounder Operation
Selecting display range
Shifting the range
Adjusting the gain
Examples of proper and improper gain
Gain window
Measuring Depth, Time
How to measure depth and time
Reducing Interference
Types of interference
Noise limiter window
Reducing Low Level Noise
Appearance of clutter
Clutter window
Appearance of weak echoes
Signal level window
Erasing Weak Echoes
White Marker
Color bar 16 color when white marker function is active
Picture Advance Speed
Advancement independent of ship’s speed
Picture advance window
How the speed-dependent picture advance mode works
Advancement synchronized with ship’s speed
Hue No Echo Color Background Color
Display Colors
Hue no. and background and echo colors
Alarm audio window
Sounder alarm menu
Fish alarm
Bottom alarm
Bottom alarm window
Fish alarm window
Water temperature alarm
Fish alarm B/L
Fish alarm B/L window
Water temperature alarm window
Sounder alarm messages and their meanings
When an alarm setting is violated
Saving Sounder Picture to an SD Card
Water Temperature Graph
Changing Pulse Repetition Rate
Zero line
Interpreting the Sounder Display
Bottom echo
Zero line
Surface noise/Aeration
Fish school echoes
Fish school echoes
Surface noise/aeration
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AIS Option menu
Turning AIS Feature On/Off
Vector mode
AIS Display Mode window
Setting Number of AIS Targets to Display
AIS Symbols
AIS symbols
Symbol Description
Displaying Target Data
Activating Targets
Plotter display Press the Enter knob
Activated target selected for data display
Lost Target
Setting CPA and Tcpa
Lost target
Confirming a lost target
Tcpa window
Proximity Alarm
CPA window
AIS vector time window
Showing, Hiding AIS Target Tracks
Choosing Vector Time
AIS past position displays
Displaying Past Positions of AIS Targets
Save data menu
Deleting all data other than chart data from memory cards
Memory Card Operations
Memory card messages
Saving data to a memory card
Memory card messages
Message Reason Remedy
Load data menu
Playing back data from a memory card
Receive data menu
Receiving Data Via Network Equipment
Host name window
Marks & lines window
Select sentence menu
Outputting Data Through the Network
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General setup menu
General Setup
Con’t on next
Contents of general setup menu
Contents of general setup menu con’t from previous
Radar display setup menu
Radar Setup
Radar display setup
Contents of radar display setup menu
Contents of radar display setup menu con’t from previous
Model Maximum Range
Radar range setup
Radar range setup menu
Function Key Default Function
Function key setup
Radar function key menu
Radar function key options
Menu Item Function Function Key Label
Radar function keys
Navigation options
Plotter Setup
Plotter setup menu Contents of plotter setup menu
Key
Plotter function key menu
Plotter function keys
Plotter display, chart offset selected
Chart Setup
Chart offset
Navionics Gold chart attributes
Displaying the Chart Configuration menu
MAP chart attributes
Chart configuration menu C-MAP
Contour Line Soft key
Chart Configuration menu description
Chart Configuration menu description
Object Content Setting Description
Chart Configuration menu description con’t from previous
Normal or U.ZOOM or O.ZOOM
Safety Status Indication
Depth Config menu
Depth Config soft key
Depth Config menu description
Setting Description
Setting Setting Range Default Setting
Setting Description Default Setting
Data box menu
Data Boxes Setup
Hot page setup menu
Hot Page Setup
Navigation data source
Navigator Setup
Hot page setup menu, Split X 3 screen, sub screen selection
Contents of nav setup menu
GPS setup menu Contents of GPS setup menu
Furuno BB GPS receiver setup
Contents of GPS setup menu con’t on previous
GPS Status
TD setup menu
TD display setup
Contents of Waas Setup menu
Loran GRI & station pair window
Displaying Loran C TDs
Loran C GRI & station pair window
Displaying Decca TDs
Nav data setup screen
Nav Data Display Setup
System setup
Sounder Setup
Nav data setup window
Sounder system setup menu
HF,LF
Sounder system setup menu description
STC HF, LF
Sounder system setup menu description con’t from previous
Sensor setup menu
Sensor setup
Sensor setup menu settings
Setting range for default Default Setting
Default basic ranges
Sounder range setup menu
Sounding range, zoom range, bottom lock range
Zoom range and bottom-lock ranges
Sounder function key options
Sounder function key menu
Sounder function keys
NAV Graphic menu
Nav Graphic Display Setup
Graphic meter window
Depth graph up-date window
Check point Remedy
Preventive Maintenance
Maintenance program
Battery on circuit board
Replacement of Batteries
Replacement of Fuse
Replacing the Magnetron
Trackball Maintenance
Replacing the Synchro Belt 1824C-BB only
Radar model and magnetron used
General troubleshooting
Simple Troubleshooting
Radar troubleshooting
Radar
If…
Plotter troubleshooting
Plotter
Sounder
Sounder troubleshooting
Memory I/O Test menu
Diagnostics
Memory I/O test
Processor unit test results
Processor unit test
GPS sensor test Requires a Furuno BB GPS receiver
GPS receiver test results
ARP test results
Network sounder test results
Test pattern sequence
Test pattern
Keyboard test
Screen for testing keyboard
About the GPS status display
GPS Status Display
GPS status display
Windows for clearing memory
Clearing Memories
Memory clear menu
Error Message Meaning Remedy General
Error Messages
Error messages
AP-1
Menu Overview
Appendix
AP-2
AP-3
Setup
AP-4
NAV Graphic Display Setup
PURPLE, BLUE, White Interval TIME, Distance
AP-5
MAP
AP-6
AP-7
Zoom Marker ON, OFF HUE
AP-8
Radar Alarms
Alarm key
Plotter Alarms
Sounder Alarms
AP-10
Geodetic Chart List
Icon Meaning
Icons
AP-11
AP-12
Model 18x4C-BB/19x4C-BB Series
Specifications of Marine Radar
Page
Transceiver Module
Plotter Function
Coating Color
Specifications of Video Plotter GD-1920C-BB
IN-1
Index
Index
IN-2
Messages
IN-3
IN-4
Proximity alarm
Trackball
IN-5
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