Furuno FAR-28x7 Series Operator's Manual page 170

4. AIS OPERATION
4.5 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.
4.5.1 Activating specific target
By keyboard
1. Roll the trackball to place the cursor on the AIS target you wish activate.
2. Press the [ACQ] key to activate the target.
By trackball
1. With the cursor inside the effective display area, roll the wheel to display
"TARGET DATA & ACQ / CURSOR MENU" in the guidance box.
2. Roll the trackball to place 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.
and COG (Course over Ground) vector
*1 = Vector shows STW (speed
thru water) and CSE
(course) when water
tracking mode is
selected at the radar.
4.5.2 Activating all targets
1. Roll the trackball to choose the AIS DISP box at the right side of the screen.
2. Push the right button to open the AIS TARGET menu.
3. Roll the wheel to choose 2 ACTIVATE ALL TRGTS and then push the wheel
or the left button.
4. Push the right button to close the menu.
When an activated target violates the CPA/TCPA
alarm setting its symbol changes to the dangerous
target symbol (red and flashing) and the indication
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.
4-6
SOG (Speed over Ground)
*1
Activated target
Dangerous target
Turning direction
(ROT)
Heading line#
# = If there is no heading data,
the line points in direction of COG.
Thicker than
activated target