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4.11 Display Colors (GD-1700C/1710C) ...........................................................................................4-18
4.12 Alarm s .......................................................................................................................................4-19
4.12.1 Audio alarm on/off.........................................................................................................4-19
4.12.2 Bottom alarm ................................................................................................................4-20
4.12.3 Fish alarm .....................................................................................................................4-20
4.12.4 Fish alarm (B/L) ............................................................................................................4-21
4.12.5 Water temperature alarm..............................................................................................4-22
4.12.6 When an alarm setting is violated.................................................................................4-23
4.13 Water Temperature Graph .........................................................................................................4-24
4.14 Changing Pluse Repetition Rate ...............................................................................................4-24
4.15 Interpreting the Sounder Display...............................................................................................4-25
4.15.1 Zero line........................................................................................................................4-25
4.15.2 Bottom echo..................................................................................................................4-25
4.15.3 Fish school echoes.......................................................................................................4-26
4.15.4 Surface noise/Aeration .................................................................................................4-26
5. CUSTOMIZING YOUR UNIT ..................................................................................5-1
5.1 General Setup .............................................................................................................................5-1
5.2 Plotter Setup................................................................................................................................5-4
5.2.1 Navigation options ..........................................................................................................5-4
5.2.2 Function key setup..........................................................................................................5-5
5.3 Chart Setup .................................................................................................................................5-7
5.3.1 Chart offset .....................................................................................................................5-7
5.3.2 FURUNO, NavCharts
TM
chart attributes .........................................................................5-8
5.3.3 C-MAP chart attributes .................................................................................................5-11
5.4 Data Boxes Setup .....................................................................................................................5-15
5.5 Hot Page Setup .........................................................................................................................5-16
5.6 Navigator Setup.........................................................................................................................5-17
5.6.1 Navigation data source .................................................................................................5-17
5.6.2 GPS receiver setup (Set equipped with GP-310B/320B) .............................................5-18
5.6.3 TD display setup...........................................................................................................5-22
5.7 Nav Data Display Setup ............................................................................................................5-24
5.8 Radar Setup ..............................................................................................................................5-25
5.8.1 Radar display setup ......................................................................................................5-25
5.8.2 Function key setup........................................................................................................5-28
5.9 Sounder Setup ..........................................................................................................................5-30
5.9.1 System setup................................................................................................................5-30
5.9.2 Sensor setup.................................................................................................................5-32
5.9.3 Sounding range, zoom range, bottom lock range ........................................................5-33
5.9.4 Function key setup........................................................................................................5-34
6. DATA TRANSFER..................................................................................................6-1
6.1 Memory Card Operations ............................................................................................................6-1
6.1.1 Formatting memory cards...............................................................................................6-1
6.1.2 Saving data to a memory card........................................................................................6-2
6.1.3 Playing back data from a memory card..........................................................................6-4
6.2 Uploading, Downloading Data.....................................................................................................6-5
6.2.1 Setting communication software on the PC....................................................................6-5
6.2.2 Uploading or downloading data ......................................................................................6-5