3.8.3 Erasing waypoints...........................................................................................3-34
3.8.4 Changing waypoint mark size (FURUNO, NavCharts™).................................3-35
3.8.5 Searching waypoints.......................................................................................3-36
3.9 Routes .......................................................................................................................3-37
3.9.1 Creating routes ...............................................................................................3-37
3.9.2 Connecting routes...........................................................................................3-41
3.9.3 Inserting waypoints .........................................................................................3-42
3.9.4 Removing waypoints from a route...................................................................3-44
3.9.5 Erasing routes.................................................................................................3-44
3.10 Navigation................................................................................................................3-45
3.10.1 Navigating to a "quick point"..........................................................................3-45
3.10.2 Navigating to waypoints ................................................................................3-46
3.10.3 Navigating to ports, port services (NavCharts™ C-MAP) ..............................3-47
3.10.4 Following a route...........................................................................................3-49
3.11 Alarms ....................................................................................................................3-53
3.11.1 Audio alarm on/off .........................................................................................3-53
3.11.2 Arrival alarm..................................................................................................3-54
3.11.3 Anchor watch alarm.......................................................................................3-55
3.11.4 XTE (Cross Track Error) alarm......................................................................3-56
3.11.5 Speed alarm..................................................................................................3-56
3.11.6 Proximity alarm .............................................................................................3-57
3.11.7 Trip alarm......................................................................................................3-58
3.11.8 Alarm information ..........................................................................................3-59
3.12 Resetting Trip Distance............................................................................................3-60
3.13 Entering the MOB Mark, Setting MOB as Destination ..............................................3-61
4. VIDEO SOUNDER OPERATION ...................................................................4-1
4.1 Principle of Operation...................................................................................................4-1
4.2 Sounder Displays.........................................................................................................4-2
4.2.1 Selecting a sounder display ..............................................................................4-2
4.2.2 Description of sounder displays ........................................................................4-3
4.2.3 Selecting screen split method in combination displays......................................4-7
4.3 Automatic Sounder Operation ......................................................................................4-8
4.3.1 How the automatic sounder works ....................................................................4-8
4.3.2 Types of automatic sounder modes...................................................................4-8
4.3.3 How to enable automatic sounder operation.....................................................4-8
4.4 Manual Sounder Operation..........................................................................................4-9
4.4.1 Selecting the manual mode...............................................................................4-9
4.4.2 Selecting display range.....................................................................................4-9
4.4.3 Adjusting the gain..............................................................................................4-9
4.4.4 Range shifting.................................................................................................4-10
4.5 Measuring Depth, Time.............................................................................................. 4-11
4.6 Reducing Interference................................................................................................4-12
4.7 Reducing Low Level Noise.........................................................................................4-13
4.8 Erasing Weak Echoes ..............................................................................................4-14
4.9 White Marker (MODEL1722C/1723C series)..............................................................4-15