iv
2.13 Reducing Noise Interference................................................................................................. 2-16
2.14 Reducing Radar Interference ................................................................................................ 2-17
2.15 Zoom ..................................................................................................................................... 2-18
2.15.1 Zooming radar targets..................................................................................................... 2-18
2.15.2 Zooming ARPA, TTM targets .......................................................................................... 2-19
2.16 Shifting the Picture ................................................................................................................ 2-19
2.16.1 Manual shift ..................................................................................................................... 2-20
2.16.2 Automatic shift................................................................................................................. 2-20
2.17 Using the Offset EBL............................................................................................................. 2-21
2.17.1 Predicting collision course with the Offset EBL............................................................... 2-21
2.17.2 Measuring range & bearing two targets .......................................................................... 2-22
2.18 Target Trails........................................................................................................................... 2-23
2.18.1 Selecting trail time........................................................................................................... 2-23
2.18.2 Starting target trail ........................................................................................................... 2-24
2.18.3 Trail brilliance (MODEL-1700 series only) ...................................................................... 2-24
2.18.4 Trail gradation (MODEL-1700C series only) ................................................................... 2-24
2.18.5 Trail color (MODEL-1700C series only) .......................................................................... 2-25
2.19 Magnifying Long Range Echoes (echo stretch) .................................................................... 2-25
2.20 Echo Averaging (log amp only) ............................................................................................. 2-26
2.21 Outputting TLL Data .............................................................................................................. 2-27
2.22 Guard Alarm .......................................................................................................................... 2-28
2.22.1 Setting a guard alarm zone ............................................................................................. 2-28
2.22.2 Guard zone type.............................................................................................................. 2-29
2.22.3 When the alarm is violated… .......................................................................................... 2-29
2.22.4 Cancelling the guard alarm ............................................................................................. 2-29
2.23 Watchman ............................................................................................................................. 2-30
2.23.1 How watchman works ..................................................................................................... 2-30
2.23.2 Turning on/off watchman................................................................................................. 2-30
2.23.3 Setting watchman stand-by interval ................................................................................ 2-30
2.24 Turning Waypoint Marker On/Off .......................................................................................... 2-31