Page
USA
How to discard this product How to discard a used battery
General
European Union
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
Three-or-more-unit NavNet system Max units
Xii
Two-unit NavNet system
Two-unit NavNet system
Control unit
Operating Controls
Radar and plotter displays
Soft keys
Processor unit
Inserting a Chart Card
Turning the Unit On/Off
Night Day Twilight
Adjusting Hue, Panel Illumination
Brilliance adjustment soft keys
Hue window
Display screens
Panel brilliance setting window
Selecting a Display
Display modes
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
Temporarily erasing a data box
Data Boxes
Showing, hiding data boxes with soft key
Rearranging data boxes
Function keys
Function Default Setting, Key Label
Function Keys
Executing a function
Radar
Simulation setup menu
Simulation Display
Sounder
Plotter
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Radar display
Radar Display
Transmitting, Stand-by
Gain sensitivity window
Tuning
Adjusting the Gain
Tuning window
Effect of A/C SEA
Reducing Sea Clutter
How the A/C SEA works
Rain setting window
Adjusting the A/C SEA
Adjusting the A/C Rain
SEA setting window
Range scales km
Range Scale
Pulselength
Range scales nm, sm
Function Indicator on display Soft key label
Presentation Mode
Selecting a presentation mode
Signal process soft keys
North-up
Description of presentation modes
Head-up
Course-up
Measuring range by cursor
How to measure range to a target with the cursor
Measuring the Range
Measuring range by range rings
Various VRM operations
How to measure range with the VRM
Measuring range by VRM
Various EBL operations
Measuring the Bearing
Measuring bearing by cursor
Measuring bearing by EBL
Radar interference
Erasing the Heading Line, North Marker
Reducing Noise Interference
Rejecting Radar Interference
Zooming radar targets
Zoom
Target no. selection window
Zooming ARP, TTM targets
Zoom
Automatic shift
Setting automatic shift maximum speed
Shifting the Picture
Manual 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 soft keys
Echo Trails
Trail time
Sample echo trails
Multitone and monotone trails
Starting echo trails
Trail gradation
Trail color
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
How watchman works
When the alarm is violated…
Cancelling the guard alarm
Watchman
Second-trace echoes
Setting watchman stand-by interval
Suppressing Second-trace Echoes
Watchman window
Waypoint marker
Waypoint Marker
26 ARP, TTM Operation
Usage precautions for ARP
ARP target info window
ARP setup menu
Activating/deactivating ARP, TTM
Acquiring and tracking targets ARP
Automatic acquisition area window
ARP plot symbols
Automatic acquisition
Terminating tracking of all targets
Displaying target number ARP, TTM
Terminating tracking of ARP targets
Terminating tracking of selected targets
Vector reference, vector time
Setting vector attributes ARP
What is a vector?
History interval window
Displaying past position ARP
26.7 ARP, TTM target data
Past position displays
ARP target data
26.8 CPA/TCPA alarm ARP
CPA distance
Lost target alarm ARP
Canceling a lost target
Lost target mark
Sidelobe echoes
Interpreting the Radar Display
False echoes
Multiple 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
Nav data window
Plotter Displays
Full-screen plotter display
Full-screen plotter display
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
Course-up
Auto course-up
Perspective C-map only
North-up
Shifting the Display
Chart Scale
Chart Cards
Chart card overview
When a chart cannot be displayed
Indices and chart enlargement
Sample chart Japan, showing indices
Data for aids to navigation
Navionics Gold charts
Port service icons
Plotter display, showing port service display
Object information window
Current or tide data
Current data display
Object information
Find window
Find function
Example of caution area window
MAP charts
Cursor and data display
Objects window
Object windows
Icon data
Lighthouse icon
Tide window
Sample lighthouse data
Tide information
Find function
Map, port service display
Date window
Track control menu
Working with Track
Displaying track
Own ship track
Own ship’s track
Stopping, restarting plotting of own ship track
Changing track color
Interval window
Track plotting method and interval for own ship track
Own ship track color window
Track plotting method
Track memory window
Changing own ship track/mark distribution setting
Track plotting interval
Interval windows
Erasing own ship track by color
Erasing track
Erasing own ship track by area
Erase menu
Erasing all own ship track
Marks, Lines
Entering a mark, line
Erase track by color window
Marks shape window
Changing mark attributes
Selecting line type
Marks & lines menu
Erasing an individual line
Erasing marks, lines
Lines style window
Erasing an individual mark
Entering a waypoint at own ship position
Waypoints
Entering waypoints
Erasing all marks, lines
Waypoint mark color selection window
Waypoint window
Waypoint mark shape selection window
Entering a waypoint by range and bearing
Editing waypoint data from the waypoint list
Editing waypoint data
Entering a waypoint from the waypoint list
Alphanumeric and local waypoint lists
Erasing a waypoint directly from the plotter display
Erasing waypoints
Editing a waypoint from the plotter display
Plotter display
Erasing a waypoint from the waypoint list
Changing waypoint mark size Navionics Gold charts
Chart configuration menu
Erasing a waypoint from the menu
Alphanumeric list
Searching waypoints
Route menu
Routes
Creating routes
Entering a route with existing waypoints
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
Waypoint list for editing a Route local list
Inserting waypoints
Inserting a waypoint from the route list
Edit route menu
Removing a waypoint from the plotter display
Removing waypoints from a route
Inserting a waypoint from the plotter display
Removing a waypoint from the route list
Selecting quick point entry method
Navigation
Erasing routes
Navigating to a quick point
Selecting a waypoint from the plotter display
Navigating to waypoints
Navigating to a single quick point
Navigating to multiple quick points
QP window
Navigating to ports, port services NavChartTM only
Selecting an external waypoint
Select Service
Port services and sample port list
Navigating waypoints in reverse order
Following a route
Selecting the route to follow
Plotter display, route selected as destination
Log display
Example of when to restart navigation
Restarting navigation
Select speed for ETA window
Setting speed for ETA calculation
Switching waypoints
Automatic waypoint switching methods
On the plotter display
Canceling route navigation
Through the menu
Audio alarm window
Alarms
Audio alarm on/off
Plotter alarm menu
Arrival alarm window
Arrival alarm
How the arrival alarm works
Anchor watch alarm window
Anchor watch alarm
How the anchor watch alarm works
XTE alarm window
XTE Cross-Track Error alarm
Speed alarm
How the XTE alarm works
Trip alarm window
Proximity alarm
Trip alarm
Proximity 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
Dual-frequency display
Description of sounder displays
Single-frequency display
Indications on the single frequency display
Marker-zoom display plus normal sounder display
Sounding area and transmission frequency
Marker-zoom display
Bottom-lock display plus normal sounder display
Bottom-zoom display
Bottom-zoom display plus normal sounder display
Bottom-lock display
Scope display
Bottom discrimination display
Bottom discrimination display
Scope display display only
Types of automatic sounder modes
Automatic Sounder Operation
Selecting screen split method in combination displays
How the automatic sounder works
Selecting display range
How to enable automatic sounder operation
Selecting the manual mode
Manual Sounder Operation
Gain window
Adjusting the gain
Shifting the range
Examples of proper and improper gain
Types of interference
How to measure depth and time
Measuring Depth, Time
Reducing Interference
Clutter window
Reducing Low Level Noise
Noise limiter window
Appearance of clutter
Appearance of weak echoes
Signal level window
Erasing Weak Echoes
Advancement independent of ship’s speed
Color bar 16 color when white marker function is active
White Marker
Picture Advance 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 window
Bottom alarm
Fish alarm
Bottom alarm window
Water temperature alarm window
Fish alarm B/L
Water temperature alarm
Fish alarm B/L 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
Zero line
Bottom echo
Surface noise/aeration
Fish school echoes
Surface noise/Aeration
Fish school echoes
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AIS Option menu
Turning AIS Feature On/Off
Vector mode
AIS Display Mode window
Symbol Description
AIS Symbols
Setting Number of AIS Targets to Display
AIS symbols
Activated target selected for data display
Activating Targets
Displaying Target Data
Plotter display Press the Enter knob
Confirming a lost target
Setting CPA and Tcpa
Lost Target
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
Message Reason Remedy
Saving data to a memory card
Memory card messages
Memory card messages
Load data menu
Playing back data from a memory card
Marks & lines window
Receiving Data Via Network Equipment
Receive data menu
Host name 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
Radar function key options
Function key setup
Function Key Default Function
Radar function key menu
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
Contour Line Soft key
MAP chart attributes
Displaying the Chart Configuration menu
Chart configuration menu C-MAP
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
Setting Description
Depth Config soft key
Depth Config menu
Depth Config menu 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
Displaying Decca TDs
Displaying Loran C TDs
Loran GRI & station pair window
Loran C GRI & station pair window
Nav data setup screen
Nav Data Display Setup
Sounder system setup menu
Sounder Setup
System setup
Nav data setup window
HF,LF
Sounder system setup menu description
STC HF, LF
Sounder system setup menu description con’t from previous
Setting range for default Default Setting
Sensor setup
Sensor setup menu
Sensor setup menu settings
Zoom range and bottom-lock ranges
Sounder range setup menu
Default basic ranges
Sounding range, zoom range, bottom lock range
Sounder function key options
Sounder function key menu
Sounder function keys
Depth graph up-date window
Nav Graphic Display Setup
NAV Graphic menu
Graphic meter window
Check point Remedy
Preventive Maintenance
Maintenance program
Battery on circuit board
Replacement of Batteries
Replacement of Fuse
Radar model and magnetron used
Trackball Maintenance
Replacing the Magnetron
Replacing the Synchro Belt 1824C-BB only
Radar
Simple Troubleshooting
General troubleshooting
Radar troubleshooting
If…
Plotter troubleshooting
Plotter
Sounder
Sounder troubleshooting
Memory I/O Test menu
Diagnostics
Memory I/O test
GPS receiver test results
Processor unit test
Processor unit test results
GPS sensor test Requires a Furuno BB GPS receiver
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
Sounder Alarms
Alarm key
Radar Alarms
Plotter 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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