User's Manual Part 2
Operator Manual
Raytheon Marine GmbH
Germany
R
NSC 18
RADAR
2−69
3748DOC020102Edition: 14.JAN.2005
SHOW
Indicates that target data is displayed in the ARPA INFO window.
TEMP
After acquisition, the target is observed for a set period of time.
SHOW
This state is indicated if the current CPA/TCPA collision conditions are met.
The target vector flashes.
CONTACT
This state describes a target which has entered the warning/acquisition zone.
The symbol flashes.
LOST
This state is indicated if a target has been lost for a short time.
The target has passed the warning and acquisition zones.
Figure: 2−34 ARPA display symbols
This state is indicated if the trial maneuver is activated.
The symbol flashes.
TEST
This state is indicated if the test function has been called up.
The symbol flashes.
GROUND
Ground referencing.
TRIAL
TRAIL
SITUATION
This state is indicated if the current CPA/TCPA collision conditions are met in
the trial maneuver. The symbol flashes.
• ARPA colors
The NSC Radar ARPA function includes the following color assignments.
− Ship heading marker, SHM − WHITE
Vector (TRUE) − PURPLE
− Tracked target − RED −
Vector − RED −
Past Pos − RED −
Trails −GRAY−
− CPA/TCPA zone − RED −
− Acquisition zone − YELLOW −
− Guard zone − RED −
− Exclusion zone − GREEN −
− Artificial ARPA symbols − RED −
(PCP/CPA)