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4.2
Activating Targets
When you convert an AIS symbol 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.
1. Use the trackball to place the cursor on the sleeping AIS target (indicates
only the presence of a vessel equipped with AIS in a certain location) you
wish to activate; that is, know more about a vessel's motion.
2. Press the [AIS MENU] key to open the AIS menu.
3. Press the [1] key (ACTIVATE TARGET) to activate the target.
4. Press any menu key to close the menu.
and COG (Course over Ground) vector
*1 = Length adjustable on
*2 = Vector shows STW (speed
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
"A-CLSN" appears. (CPA and TCPA may be set in the ARPA on the E, AUTO
PLOT MENU or on the EPA menu in the EPA mode.) Press the [AUDIO OFF]
key to acknowledge the CPA/TCPA alarm. The audio alarm is silenced and the
symbol stops flashing. Take appropriate action to avoid collision.
SOG (Speed over Ground)
ARPA's ARPA1 menu
or EPA electronic plot.
thru water) and CSE
(course) when water
tracking mode is
selected at the radar.
*1, *2
Heading line#
# = If there is no heading data,
the line points in direction of COG.
Activated target
Thicker than
activated target
Dangerous target
4 AIS OPERATION
Turning direction
45
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