Raymarine C140w, C90w manual Viewing AIS target information, AIS target symbols

10.8 Viewing AIS target information

You can display information relating to individual AIS targets.

When a target is highlighted with the cursor, the softkeys change to allow you to select the following options:

•AIS vectors.

•AIS safety critical data.

•AIS list.

•Full AIS data.

AIS target symbols

Your multifunction display shows a range of symbols to represent the different types of AIS target.

Target type	Description	Symbol
Transmitting target	Target not activated,
	dangerous or lost.
	Target is moving or at
	anchor.
Activated target	Target activated —
	that is, AIS vector
	displayed. Vector
	line (optional) shows
	predicted distance
	travelled within a given
	time.
Selected target	Target selected with
	cursor. Can activate the
	target and view detailed
	data.

Target type	Description	Symbol
Dangerous target	Targets within specified
	distance (CPA) or time
	(TCPA). Dangerous
	target alarm sounds if
	enabled. Target flashes.
Uncertain target	Calculated CPA/TCPA
	value uncertain.
Lost target	When signal of
	dangerous target not
	received for 20 seconds.
	Target in latest predicted
	position. Alarms sounds
	if enabled. Target
	flashes.
Buddy target	Target has previously
	been added to the Buddy
	List.

Displaying detailed AIS target information

In the chart or radar application:

1.If the chart page is displayed, press the AIS OPTIONS softkey (or RADAR AND AIS softkey if Radar Overlay is ON).

2.Press the TARGET TRACKING softkey.

3.Press the AIS LIST softkey.

4.Press the VIEW FULL AIS DATA softkey.

Note: You can also display full AIS information by moving the cursor over the relevant target in the chart or radar pages, and pressing the VIEW FULL AIS DATA softkey.

Using AIS 139