Furuno CH-270 - Page 8

TABLE OF CONTENTS
vi
4.10.4 Resolution color .............................................................................................4-11
4.10.5 Suppressing clutter ........................................................................................4-12
5. MENU OPERATION .................................................................................................... 5-1
5.1 COM1 Menu.............................................................................................................. 5-1
5.1.1 Displaying the COM1 menu ............................................................................ 5-1
5.1.2 COM1 menu description ................................................................................. 5-1
5.2 COM2 Menu.............................................................................................................. 5-2
5.2.1 Displaying the COM2 menu ............................................................................ 5-2
5.2.2 COM2 menu description ................................................................................. 5-2
5.3 Short-cut Menu, Preset Menu.................................................................................... 5-3
5.3.1 Choosing short-cut or preset........................................................................... 5-3
5.3.2 Changing setting of preset key........................................................................ 5-5
5.3.3 Changing setting of short-cut key.................................................................... 5-6
5.4 SYSTEM Menu ......................................................................................................... 5-8
5.4.1 Displaying the SYSTEM menu........................................................................ 5-8
5.4.2 SYSTEM SETTING 1 menu description.......................................................... 5-9
5.4.3 SYSTEM SETTING 2 menu description.........................................................5-11
5.4.4 Sonar (horizontal) mode range settings .........................................................5-13
5.4.5 Vertical scan mode range settings .................................................................5-14
5.4.6 Echo sounder mode range settings................................................................5-15
5.4.7 Track range settings ......................................................................................5-16
5.4.8 Color palette ..................................................................................................5-17
5.4.9 Language.......................................................................................................5-18
5.4.10 System backup ..............................................................................................5-18
5.4.11 Loading backup data......................................................................................5-18
5.4.12 Transducer frequency adjustment..................................................................5-19
5.4.13 Demonstration mode......................................................................................5-19
5.4.14 Restoring all default settings..........................................................................5-20
6. MAINTENANCE, TROUBLESHOOTING .................................................................... 6-1
6.1 Preventive Maintenance............................................................................................ 6-1
6.2 Cleaning the Equipment ............................................................................................ 6-1
6.3 Hull Unit Maintenance ............................................................................................... 6-2
6.3.1 Lubrication ...................................................................................................... 6-2
6.3.2 Manually raising, lowering transducer ............................................................. 6-2
6.4 Transducer Maintenance........................................................................................... 6-3
6.5 Fuse Replacement .................................................................................................... 6-3
6.6 Troubleshooting ........................................................................................................ 6-4
6.7 Error Messages......................................................................................................... 6-5
6.8 Diagnostics ............................................................................................................... 6-6
6.9 Test Pattern............................................................................................................... 6-8
MENU TREE .................................................................................................................... M-1
SPECIFICATIONS ......................................................................................................... SP-1
INDEX ..............................................................................................................................IN-1