Furuno 1722 Operator's Manual page 9

3.12 Navigation ............................................................................................................................. 3-44
3.12.1 Navigating to a "quick point" ........................................................................................... 3-44
3.12.2 Navigating to waypoints .................................................................................................. 3-45
3.12.3 Navigating to ports, port services.................................................................................... 3-45
3.12.4 Following a route............................................................................................................. 3-47
3.13 Alarms ................................................................................................................................... 3-52
3.13.1 Audio alarm on/off ........................................................................................................... 3-52
3.13.2 Arrival alarm .................................................................................................................... 3-53
3.13.3 Anchor watch alarm ........................................................................................................ 3-54
3.13.4 XTE (Cross Track Error) alarm........................................................................................ 3-54
3.13.5 Speed alarm.................................................................................................................... 3-55
3.13.6 Proximity alarm ............................................................................................................... 3-55
3.13.7 Trip alarm ........................................................................................................................ 3-56
3.13.8 Bottom alarm................................................................................................................... 3-56
3.13.9 Water temperature alarm ................................................................................................ 3-57
3.13.10 Alarm information .......................................................................................................... 3-58
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
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