Reference Manual Part 2

G-Series Reference Manual 160
AIS Target symbols
AIS target symbols are summarized below.
Viewing AIS information
You can display information relating to individual AIS targets.
To see AIS data for a selected target
1. Highlight the AIS target with the cursor.
2. Select the appropriate data from the toolbar.
The AIS toolbar
Softkeys on the AIS toolbar give you access to:
• AIS vectors
• AIS safety critical data
• AIS List
• Full AIS data
12.7 Displaying AIS vectors
The AIS vector feature gives you the following data for selected
targets:
• A COG/SOG vector indicating the predicted distance that a tar-
get will travel within a given period of time.
• Graphical representation of heading and direction of turn.
To switch AIS vectors on or off
1. Highlight the AIS target for which you want to display vectors.
2. Toggle to your desired setting on the AIS VECTOR softkey.
12.8 Displaying safety-critical AIS data
Safety-critical target data such as COG, SOG, CPA and TCPA can
be displayed in the tag alongside each target. You can switch this
data on or off or set it to display it automatically when the cursor is
over the target.
To view AIS data
1. Highlight an AIS target.
2. Toggle to your preferred setting on the AIS DATA softkey:
AUTO (default): safety-critical data shown when the cursor is
over the target.
ON: safety-critical data shown constantly.
OFF: safety-critical data never shown.
Uncertain target
Calculated CPA/TCPA value uncertain.
Sleeping target
Target not activated, dangerous or lost.
Activated target
Target activated i.e. AIS vector displayed.
Vector line (optional) shows predicted distance travelled within
given time.
Dangerous target
Targets within specified distance (CPA) or time (TCPA).
Dangerous target alarm sounds if en-abled.
Target flashes.
Lost target
When signal of dangerous target not received for 20 seconds.
Target in latest predicted position.
Alarms sounds if enabled.
Target flashes.
Selected target
Target selected with cursor.
Can activate the target and view detailed data.
COG/SOG
vector
Heading
Direction
of turn
AIS
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