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
 Foreword
Features
 NavNet system Model 1724C/1734C
NavNet system Model 1724C/1734C
 External buzzer
 Two-unit NavNet system
Two-unit NavNet system
 Three-or-more-unit NavNet system
Three-or-more-unit NavNet system Max display units
 Display unit controls
Operating Controls
Display unit controls
 Plotter displays
Soft keys
Display unit
 Key Function
Remote controller
Key
 Inserting a Chart Card
 Turning the Unit On/Off
 Display Brilliance, Panel Brilliance, Hue
Brilliance adjustment soft keys
Display brilliance, panel brilliance
Display brilliance and panel brilliance windows
 Night Day Twilight
2 Hue
Hue window
 Display screens
Selecting a Display
Display modes
 Radar combination screen selection window
Selecting a display
Display screen selection window
 Switching control in combination and overlay screens
 Radar source and sounder source windows
Selecting image source
Select source menu
 Cursor, cursor data
Cursor pad, 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
Function Keys
 Radar
Simulation setup menu
Simulation Display
 Sounder
Plotter
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 Radar display
Radar Display
 Adjusting the Gain
Tuning
Tuning window
Transmitting, Stand-by
 Reducing Sea Clutter
Adjusting the FTC
How the A/C SEA works
Gain sensitivity window
 SEA setting window
Adjusting the A/C SEA
Rain setting window
Reducing Precipitation Clutter
 Range scales km
Range Scale
Range scales nm, sm
 Pulselength
Signal process soft keys
 Function Indicator on display Soft key label
Presentation Mode
Selecting a presentation mode
 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
 Radar interference
Rejecting Radar Interference
 Zooming radar targets
Zoom
Zooming ARP, TTM targets
Zoom
 Manual shift
Shifting the Picture
Automatic shift
Target no. selection window
 Setting automatic shift maximum speed
Using the Offset EBL
Predicting collision course
Automatic shift
 Predicting collision course with the offset EBL
Measuring range & bearing between two targets
 Trail time
Echo Trails
Measuring range and bearing between two targets
Sample echo trails
 Trail time window
Starting echo trails
Trail soft keys
 Trail color window
Trail gradation
Trail color
 Types of echo stretch
Echo Stretch
 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
 Watchman time window
Setting watchman stand-by interval
Turning on/off watchman
 Waypoint marker
Waypoint Marker
 25 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
ARP target number
Terminating tracking of selected targets
 Vector reference, vector time
Setting vector attributes ARP
What is a vector?
 History interval window
Displaying past position ARP
Past position displays
 ARP target data
25.7 ARP, TTM target data
 Tcpa time
25.8 CPA/TCPA alarm ARP
CPA distance
 Lost target mark
Lost target alarm ARP
Canceling a lost target
 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
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 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 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
 Cursor and data display
MAP charts
Objects window
Example of caution area window
 Sample lighthouse data
Lighthouse icon
Object windows
 Tide window
Map, port service display
Tide information
 Port service icons
 Displaying track
Working with Track
Own ship track
Track control menu
 Changing track color
Stopping, restarting plotting of own ship track
 Own ship’s track
Track plotting method and interval for own ship track
Own ship track color window
Track plotting method
 Interval window
Changing own ship track/mark distribution setting
Track plotting interval
Interval windows
 Track memory window
Erasing track
Erasing own ship track by area
Erase menu
 Erase track by color window
Erasing own ship track by color
Erasing all own ship track
Erasing all target tracks
 Entering a mark, line
Marks, Lines
Changing mark attributes
Marks & lines menu
 Lines style window
Selecting line type
Marks shape window
 Erasing an individual mark
Erasing marks, lines
Erasing an individual line
Erasing marks, lines by area
 Entering waypoints
Waypoints
Entering a waypoint at own ship position
Entering a waypoint with the cursor
 Waypoint mark color selection window
Waypoint mark shape selection window
 Entering a waypoint from the waypoint list
Entering a waypoint by range and bearing
 Editing waypoint data from the waypoint list
Editing waypoint data
Alphanumeric and local waypoint lists
 Plotter display
Editing a waypoint from the plotter display
 Erasing a waypoint directly from the plotter display
Erasing waypoints
Erasing a waypoint from the menu
Erasing a waypoint from the waypoint list
 Changing waypoint mark size Navionics Gold
Chart details menu
 Alphanumeric list
Searching waypoints
 Creating routes
Routes
Entering a route with existing waypoints
Route menu
 Creating voyage-based routes
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
Selecting an external waypoint
 Select Service
Port services and sample port list Ex. NavChart
 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
 Plotter alarm menu
Alarms
 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
Audio alarm on/off
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
 Fish Alarm
When an alarm setting is violated
 Changing Pulse Repetition Rate
Water Temperature Graph
Sounder alarm messages and their meanings
 Interpreting the Sounder Display
Saving Sounder Picture to an SD Card
Zero line
Zero line
 Bottom echoes
Bottom echo
 Surface noise/Aeration
Fish school echoes
Fish school echoes
Surface noise/aeration
 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
 AIS target data display
Activating Targets
 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 from memory cards other than chart data
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
 Uploading, Downloading Data
Setting communication software on the PC
Uploading or downloading data
Upload and download menus
 Waypoint data format
Baud rate window
Waypoint data format
Characters available for comment
 End of sentence
Route data menu
Route comment data format
 Mark data format
Loading Waypoint Data from Yeoman
Mark data menu
 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
 Contents of general setup menu
 Contents of general setup menu con’t from previous
 Radar display setup menu
Radar Setup
Radar display setup
 Con’t on next
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
 Plotter function key menu
Function Default Function Function Key Label
 Scroll
Plotter function key options
 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
 Object Content Settings Description
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 Default Setting
 Contours, depth data, etc
Setting Setting Range Default Setting
 Data box menu
Data Boxes Setup
 Combination screen selection window
Hot Page Setup
Hot page setup menu
 Navigation data source
Navigator Setup
 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 C GRI & station pair window
Displaying Loran C TDs
Loran GRI & station pair window
 Decca chain and station pair window
Displaying Decca TDs
 Nav data setup window
Nav Data Display Setup
Nav data setup screen
 Sounder system setup menu
Sounder Setup
System setup
 HF,LF
Sounder system setup menu description
 Target
 Sensor setup menu
Sensor setup
Sensor setup menu settings
Settings 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 menu
Function key setting Function key label
 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
 Replacement of Fuse
Replacement of Batteries
Battery on circuit board
Batteries in remote controller
 General troubleshooting
Simple Troubleshooting
Replacing the Magnetron
Radar model and magnetron used
 Plotter troubleshooting
Radar troubleshooting
Radar
Plotter
 If… But… Then…
Sounder troubleshooting
Sounder
 Memory I/O Test menu
Diagnostics
Memory I/O test
 GPS receiver test results
Display unit test
GPS sensor test Requires a Furuno BB GPS receiver
 Network sounder test results
Test pattern
 Test pattern sequence
 Screen for testing keyboard, remote controller
Keyboard, remote controller test
 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
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 AP-1
Menu Overview
 Appendix
AP-2
 AP-3
Setup
 AP-4
NAV Graphic Display Setup
 PURPLE, BLUE, White Interval TIME, Distance
AP-5
 AP-6
Chart Details MAP
 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
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AP-12
 SP-1
Model 1724C/1734C
 Transceiver Module
 Plotter Function
 Coating Color
 Specifications of Video Plotter GD-1720C
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 IN-1
Index
 GPS sensor test Furuno BB
IN-2
 Messages
IN-3
 IN-4
Satellite disable Furuno BB
 IN-5
Shape Switching in route navigation