4 AIS OPERATION
45
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.
Heading line#
SOG (Speed over Ground)
and COG (Course over Ground) vector
*1, *2
Turning direction
*1 = Length adjustable on
ARPA’s ARPA1 menu
or EPA electronic plot.
*2 = Vector shows STW (speed
thru water) and CSE
(course) when water
tracking mode is
selected at the radar.
# = If there is no heading data,
the line points in direction of COG.
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
“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.
Thicker than
activated target
Dangerous target
Summary of Contents for RP-340
Page 1: ...VIDEO PLOTTER RP 340...
