3.Using the trackpad, highlight the required option, then press the trackpad right to select it.
Displaying vessel vectors (CPA graphics)
1.Position the cursor over the target.
2.To display the CPA graphic for the target, press the CPA GRAPHIC softkey until the ON option is selected.
3.To hide the CPA graphic for the target, press the CPA GRAPHIC softkey until the OFF option is selected.
4.To display the CPA graphic automatically when you place the cursor over any part of the MARPA symbol, select the AUTO option.
5.Press the OK button.
MARPA options
The MARPA options are accessible by pressing the TARGET TRACKING > MARPA & AIS OPTIONS softkeys.
Parameter | Descriptions | Options | |
|
|
|
|
Vector Length | The time period | • | 0.5 min |
| specified for drawing | • | 1 min |
| length of vectors. | ||
| • | 3 min | |
|
| ||
|
| • | 6 min |
|
| • | 12 min |
|
| • | 30 min |
|
| • | 60 min |
|
|
|
|
Parameter | Descriptions | Options | |
Target History | Plots a target’s previous | • | OFF |
| position at specified | • | 0.5 min |
| intervals. The four | ||
| most recent position | • | 1 min |
| points are displayed. | • | 3 min |
| If True target vectors | ||
| are selected, the four | • | 6 min |
| most recent vessel | ||
|
|
| |
| position points are also |
|
|
| displayed. |
|
|
Own Vessel Safe Zone | The safe zone is a ring, | • | 0.1 nm |
| centred on your boat, | • | 0.2 nm |
| within which a target is | ||
| considered dangerous | • | 0.5 nm |
| if it will enter this zone | • | 1.0 nm |
| within the Time to Safe | ||
| Zone period (see below). | • | 2.0 nm |
|
| ||
|
|
|
|
Time to Safe Zone | If a target enters your | • | 3 min |
| safe zone within this time | • | 6 min |
| period, it is considered | ||
| dangerous. | • | 12 min |
|
| • | 24 min |
|
|
|
|
Safe Zone Ring | Controls whether the | • | Visible |
| safe zone ring is | • | Hidden |
| displayed or hidden | ||
| on screen. |
|
|
Using radar | 127 |
