TABLE OF CONTENTS
vi
1.22 Zoom.......................................................................................................................1-27
1.22.1 How to zoom .............................................................................................1-27
1.22.2 Zoom mode ...............................................................................................1-28
1.23 Echo Stretch............................................................................................................1-29
1.24 Echo Averaging.......................................................................................................1-30
1.25 Target Trails............................................................................................................1-31
1.25.1 Starting, stopping trails...............................................................................1-31
1.25.2 Trail mode .................................................................................................1-32
1.25.3 Trail gradation ...........................................................................................1-33
1.25.4 Trail color ..................................................................................................1-33
1.25.5 Trail level ...................................................................................................1-33
1.25.6 Trail copy ...................................................................................................1-34
1.25.7 Narrow trails ..............................................................................................1-34
1.25.8 Own ship trail ............................................................................................1-34
1.25.9 Restarting trails .........................................................................................1-35
1.25.10 Trail length ................................................................................................1-35
1.26 Parallel Index Lines.................................................................................................1-36
1.26.1 Turning parallel index lines on or off .........................................................1-36
1.26.2 Adjusting parallel index line orientation and interval .................................1-36
1.26.3 Parallel index lines mode ..........................................................................1-37
1.27 Outputting Target Position, Inscribing Origin Mark .................................................1-37
1.27.1 TLL key mode ...........................................................................................1-37
1.27.2 Origin mark mode ......................................................................................1-38
1.28 Temporarily Hiding the Heading Line......................................................................1-38
1.29 Custom Setup .........................................................................................................1-38
1.29.1 About custom setup ..................................................................................1-38
1.29.2 Description of custom setup items ............................................................1-39
1.29.3 Setting custom setups ...............................................................................1-40
1.30 Programming Function Keys (F1 and F2 keys).......................................................1-41
1.31 Noise Rejector.........................................................................................................1-42
1.32 Suppressing Second-trace Echoes.........................................................................1-42
1.33 Watchman...............................................................................................................1-43
1.34 Color Schemes........................................................................................................1-44
1.34.1 Preset color schemes ................................................................................1-44
1.34.2 User color scheme ....................................................................................1-44
1.35 Navigation Data.......................................................................................................1-45
1.35.1 Navigation data during standby .................................................................1-45
1.35.2 Navigation data at the bottom of the screen .............................................1-46
1.36 Dynamic Range.......................................................................................................1-47
1.37 Characteristics Curve..............................................................................................1-47
1.38 Antenna Speed .......................................................................................................1-48
1.39 Waypoint Marker.....................................................................................................1-49
1.40 Alarm Message Display ..........................................................................................1-50
1.41 Echo Area ...............................................................................................................1-52
1.42 Customizing (Initial Menu).......................................................................................1-53
1.42.1 Opening the Initial menu ...........................................................................1-53
1.42.2 Description of Initial sub menu ..................................................................1-53
1.43 Sector Blank............................................................................................................1-55
1.44 GPS Buoy ...............................................................................................................1-57
1.44.1 Displaying GPS buoys ..............................................................................1-57
1.44.2 Choosing symbol color ..............................................................................1-58
1.44.3 History display ...........................................................................................1-58
1.44.4 Erasing GPS buoy symbols ......................................................................1-59
1.45 Remote Display.......................................................................................................1-60
