TABLE OF CONTENTS
1.23 Target Alarm ............................................................................................................... 1-39
1.25 Interference Rejector .................................................................................................. 1-43
1.26 Echo Stretch ............................................................................................................... 1-43
1.27 Echo Averaging .......................................................................................................... 1-44
1.28 Noise Rejector............................................................................................................ 1-45
1.29 Wiper .......................................................................................................................... 1-46
1.30 Target Trails................................................................................................................ 1-47
1.30.2 Trail time .......................................................................................................... 1-48
1.30.3 Trail gradation .................................................................................................. 1-48
1.30.5 Trail level ......................................................................................................... 1-50
1.30.10 Erasing trails .................................................................................................. 1-51
1.32 Origin Mark................................................................................................................. 1-56
1.33 Zoom .......................................................................................................................... 1-59
1.34 Markers ...................................................................................................................... 1-60
1.34.1 Heading line .................................................................................................... 1-60
1.34.2 Stern marker .................................................................................................... 1-60
1.34.3 North marker ................................................................................................... 1-60
1.34.4 Own ship symbol ............................................................................................. 1-61
1.34.5 Barge marker ................................................................................................... 1-62
1.34.6 INS marker ...................................................................................................... 1-62
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