Figure 4.1.0 - Range selection by Soft Key
4.1.1Motion Mode
Allows choosing between two different presentation of targets and ship position over the Radar screen Relative Motion (RM) and True Motion (TM). See the following table:
True | In True Motion, fixed Radar targets maintain a constant position on the screen, while your own ship |
| moves across the Radar image at the appropriate speed and heading. A |
| displayed, with all moving vessels travelling in true perspective to each other and to fixed |
| landmasses. As your ship’s position approaches the edge of the screen, the Radar center offset is |
| automatically reset to reveal the area ahead of your ship. |
Relative | In Relative Motion your own ship’s position remains fixed on the Radar screen and all Radar targets |
| move relative to your own ship. It is the default for the Radar display. |
| NOTE |
True Motion is only available in North Up and Track Up modes (not in Head Up mode). Also True Motion requires a compass heading sensor and GPS position information.
To change the Motion Mode follow this procedure:
1.Press [MENU]. Move the ShuttlePoint knob to highlight MOTION MODE and press [ENT].
2.Move the ShuttlePoint knob to highlight RELATIVE or TRUE and press [ENT].
4.1.2Echo Trails
Echo Trails causes the persistence of the Radar targets on the screen for the time specified. Selecting an appropriate trail plotting time help determining the speed and course of a target vessel and help prevent collision with it. Selects Radar Trails among Continuous, 15 seconds, 30 seconds, 1 Minute, 3 Minutes, 6 Minutes (or disables - Off).
To choose the Echo Trails follow this procedure:
1.Press [MENU]. Move the ShuttlePoint knob to highlight ECHO TRAILS and press [ENT].
2.Move the ShuttlePoint knob to highlight the desired trail plotting interval and press [ENT].
4.1.3Target Expansion
Target Expansion is used to enlarge the target size without changing the range. This function is useful to see and detect very small targets in open seas. To enable (On) or disable (Off) the Target Expansion follow this procedure:
1.Press [MENU]. Move the ShuttlePoint knob to highlight TARGET EXPANSION and press [ENT].
2.Move the ShuttlePoint knob to highlight ON or OFF and press [ENT].
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