4. AIS OPERATION
4-5
4.4 Activating
Targets
When you convert a sleeping target to an activated target, that target’s course
and speed are shown with a vector. You can easily judge target movement by
monitoring the vector.
Sleeping targets within an acquisition zone are automatically changed to
activated targets and are colored red. See section 3.14 for details.
4.4.1
Activating specific targets manually
By keyboard
1. Use the trackball to put the cursor on the AIS target you wish activate.
2. Press the [TARGET DATA] key to activate the target.
By trackball
1. With the cursor inside the effective display area, roll the scrollwheel to
display "TARGET DATA & ACQ / CURSOR MENU" in the guidance box.
2. Use the trackball to put the cursor on the sleeping AIS target you wish to
activate; that is, know more about a vessel’s motion.
3. Push the left button to activate the target.
Heading line *
2
SOG (Speed over Ground)
and COG (Course over Ground) vector
*
1
Turning direction
(ROT)
*
1
Vector shows STW (speed
thru water) and CSE
(course) when water
tracking mode is
selected at the radar.
*
2
If there is no heading data,
the line points in direction of COG.
Activated target
4.4.2
Activating all targets
1. Right-click the AIS DISP box to open the AIS TARGET menu.
2. Select 2 ACTIVATE ALL TRGTS.
3. Push the right button to close the menu.
Thicker than
activated target
Dangerous target
When an activated target violates the CPA/TCPA
alarm setting its symbol changes to the dangerous
target symbol (red and flashing) and the indication
AIS COLLISON appears. Press the [ALARM ACK] key
(or click the ALARM ACK box with the left button)
to acknowledge the CPA/TCPA alarm. The audible
alarm is silenced and the symbol stops flashing.
Take appropriate action to avoid collision.
