Raytheon Anschuetz GmbH High Seas Products GEMRM-10U Benutzerhandbuch

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Operator Manual
Raytheon Marine GmbH
Germany
R
NSC 18
RADAR
2−67
3748DOC020102
Edition: 14.JAN.2005
2.4
ARPA FUNCTION
This chapter describes the operation of the automatic radar plotting aid (ARPA).
NOTE
The NSC ARPA information is considered to assist decision making
in the current situation.
The resulting assessment with regard to avoiding collisions must be made
independently in accordance with the valid regulations!
2.4.1
General Information
• Requirements for optimum ARPA support
The following requirements must be met on the NSC Radar to achieve optimum
ARPA functionality.
− The sensitivity controls are optimally adjusted for the current 
weather conditions
− Before you start to use this function you need to select a RANGE 
higher than 6 NM for the ZONE settings.
The zone might not be visible at lower ranges. 
− Heading e.g. gyro and Speed (log, course over water (W) or course 
over ground (B))
• Target acquisition
can be used to manually or automatically acquire up to 70 targets.
The tracking data for selected targets is displayed in the ARPA information
window.