Furuno NAVNET GD-1920C Operator's Manual page 5

4.2.1 How the automatic sounder
works......................................4-6
4.2.2 Types of automatic sounder
modes ....................................4-6
4.2.3 How to enable automatic
sounder operation..................4-7
4.3 Manual Sounder Operation ..............4-7
4.3.1 Selecting the manual mode ...4-7
4.3.2 Selecting display range .........4-7
4.3.3 Adjusting the gain ..................4-8
4.3.4 Shifting the range...................4-8
4.4 Measuring Depth, Time ....................4-9
4.5 Reducing Interference ......................4-9
4.6 Reducing Low Level Noise.............4-10
4.7 Erasing Weak Echoes .................... 4-11
4.8 White Marker ..................................4-12
4.9 Picture Advance Speed ..................4-12
4.9.1 Advancement independent of
ship's speed .........................4-12
4.9.2 Advancement synchronized
with ship's speed .................4-13
4.10 Display Colors.................................4-14
4.11 Alarms.............................................4-15
4.11.1 Audio alarm on/off................4-15
4.11.2 Bottom alarm........................4-16
4.11.3 Fish alarm ............................4-16
4.11.4 Fish alarm (B/L) ...................4-17
4.11.5 Water temperature alarm.....4-17
4.11.6 When an alarm setting is
violated.................................4-18
4.12 Water Temperature Graph..............4-19
4.13 Changing Pulse Repetition Rate ....4-19
4.14 Saving Sounder Picture to an
SD Card ..........................................4-19
4.15 Interpreting the Sounder Display....4-20
4.15.1 Zero line ...............................4-20
4.15.2 Bottom echo.........................4-20
4.15.3 Fish school echoes ..............4-21
4.15.4 Surface noise/Aeration ........4-21
5. AIS OPERATION ................... 5-1
5.1 Turning AIS Feature On/Off..............5-1
5.2 AIS Symbols .....................................5-3
5.3 Setting Number of AIS Targets
to Display ..........................................5-3
5.4 Activating Targets .............................5-4
5.5 Displaying Target Data .....................5-4
5.6 Lost Target ........................................5-5
5.7 Setting CPA and TCPA .....................5-5
5.8 Proximity Alarm.................................5-6
5.9 Showing, Hiding AIS Target Tracks ..5-7
5.10 Choosing Vector Time ......................5-7
iv
..................................5-1
5.11 Displaying Past Positions of
AIS Targets .......................................5-8
6. DATA TRANSFER..................6-1
6.1 Memory Card Operations .................6-1
6.1.1 Deleting all data (other than chart
data) from 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 ..........................6-3
6.2 Uploading, Downloading Data..........6-4
6.2.1 Setting communication software
on the PC ...............................6-4
6.2.2 Uploading or downloading
data ........................................6-4
6.3 Loading Waypoint Data from
Yeoman.............................................6-7
6.4 Receiving Data Via Network
Equipment.........................................6-8
6.5 Outputting Data Through the
Network.............................................6-9
7. CUSTOMIZING YOUR UNIT..7-1
7.1 General Setup...................................7-1
7.2 Radar Setup......................................7-4
7.2.1 Radar display setup ...............7-4
7.2.2 Radar range setup .................7-7
7.2.3 Function key setup.................7-8
7.3 Plotter Setup ...................................7-10
7.3.1 Navigation options ...............7-10
7.3.2 Function key setup...............7-11
7.4 Chart Setup.....................................7-13
7.4.1 Chart offset ..........................7-13
7.4.2 Navionics GOLD chart
attributes ..............................7-14
7.4.3 C-MAP chart attributes ........7-15
7.5 Data Boxes Setup...........................7-20
7.6 Hot Page Setup ..............................7-21
7.7 Navigator Setup ..............................7-22
7.7.1 Navigation data source ........7-22
7.7.2 GPS receiver setup (Set equipped
with GP-310B/320B) ............7-24
7.7.3 TD display setup ..................7-27
7.8 Nav Data Display Setup .................7-29
7.9 Sounder Setup................................7-30
7.9.1 System setup .......................7-30
7.9.2 Sensor setup........................7-33
7.9.3 Sounding range, zoom range,
bottom lock range ................7-34
7.9.4 Function key setup...............7-35
7.10 Nav Graphic Display Setup ............7-37