User's Manual

Table Of Contents
Synapsis Radar
with Nautoscan NX Pedestal
Operator Manual
Edition Sep 2015
2-129
4265.DOC020102
2.5.1 General Information
Requirements for optimum ARPA support
The following requirements must be met on the Radar to achieve optimum
ARPA functionality.
Operator controls
Task
The sensitivity controls are optimally adjusted to the
current weather conditions.
Before using this function select a RANGE higher
than 6 NM. The automatic target acquisition zone
might not be visible at lower ranges.
Heading e.g. gyro and Speed (log, course thru water (W)
or course over ground (B)).
Target acquisition
It is possible to acquire up to 40 targets manually and up to 40 targets
automatically. The tracking data for the selected targets is displayed in the
ARPA information window.
Target alarms
Targets generate an alarm message (chapter 2.11.2) and artificial symbols (see
ARPA SYMBOLS) accompanied by an acoustical signal.
“CPA TCPA BY xx TARGET(S)
This alarm is triggered as soon as a tracked target exceeds the set
limits for CPA or TCPA.