User's Manual
CONTENTS
xx
2.15 SETTING TT/AIS.................................................................................................................. 2-120
2.15.1 COLLISION AVOIDANCE ............................................................................................ 2-120
2.15.2 PREPARATION ............................................................................................................ 2-123
2.15.3 SETTING TARGET NUMBER DISPLAY..................................................................... 2-125
2.15.4 SETTING TARGET NUMBER ALLOCATION............................................................. 2-126
2.15.5 SETTING AIS ALARM.................................................................................................. 2-127
2.15.6 SETTING AIS DISPLAY TARGET............................................................................... 2-128
2.15.7 SETTING AIS DESTINATION SHIP (DirecTrak
TM
) ..................................................... 2-128
2.15.8 SETTING AIS RETRIEVED VESSEL.......................................................................... 2-129
2.15.9 SETTING AIS FILTER.................................................................................................. 2-130
2.15.10 FILE OPERATION ........................................................................................................ 2-130
2.16 SETTING DETECTION LEVELS OF RADAR ALARM ...................................................... 2-134
2.17 PLOTTER UNIT ................................................................................................................... 2-135
2.17.1 DISPLAYING WAYPOINT MARKS ............................................................................. 2-135
2.17.2 SETTING MARK FUNCTIONS .................................................................................... 2-136
2.17.3 SETTING LINE FUNCTIONS....................................................................................... 2-140
2.17.4 DISPLAYING OWN SHIP'S TRACK............................................................................ 2-144
2.17.5 FILE OPERATIONS...................................................................................................... 2-146
2.18 SETTING TIMED TX............................................................................................................ 2-153
Chapter 3 TRUE AND FALSE ECHOES ON DISPLAY
............................................................................. 3-1
3.1 RADAR WAVE WITH THE HORIZON.................................................................................... 3-1
3.2 REFLECTION FROM TARGET .............................................................................................. 3-3
3.3 SEA CLUTTER AND RAIN AND SNOW CLUTTER.............................................................. 3-4
3.3.1 SEA CLUTTER ................................................................................................................. 3-4
3.3.2 RAIN AND SNOW CLUTTER .......................................................................................... 3-4
3.3.3 COPING WITH SEA CLUTTER AND RAIN AND SNOW CLUTTER ............................ 3-4
3.4 FALSE ECHOES...................................................................................................................... 3-5
3.4.1 SHADOW .......................................................................................................................... 3-5
3.4.2 SIDE LOBE EFFECT........................................................................................................ 3-5
3.4.3 FALSE ECHO BY SECONDARY REFLECTION............................................................ 3-5
3.4.4 FALSE ECHO BY MULTIPLE REFLECTION ................................................................. 3-6
3.4.5 SECOND TIME ECHOES ................................................................................................ 3-6
3.4.6 RADAR INTERFERENCE................................................................................................ 3-7
3.5 DISPLAY OF RADAR TRANSPONDER (SART) ................................................................... 3-8