Operation Manual

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Using AIS | NSS Operator Manual
Viewing information about all AIS targets
Chart pages
You can view information about all AIS targets
within range of your vessel from the menu.
Radar pages
The data bar includes information about up to 3 AIS targets.
The targets are listed with the closest target on top, and are color coded to
indicate target status.
 Note: Data bar is not available on NSS7.
Vessel alarms
You can defi ne several alarms to alert you if a
target comes within predefi ned range limits, or if
a previously identifi ed target is lost.
Alarm ID Description
Dangerous vessel Controls whether an alarm shall be activated when a vessel comes
within the predefi ned CPA or TCPA. See “Defi ning dangerous
vessels” on page 64.
 Note: The check box controls whether the alarm pop-up box
is displayed and if the siren will sound. The CPA and TCPA
defi nes when a vessel is dangerous regardless of the enabled/
disabled state.
AIS vessel lost Sets the range for lost vessels. If a vessel is lost within this range
this will trigger an alarm
Vessel message Controls whether an alarm shall be activated when a message is
received from an AIS target
The vessel settings panel
Your vessel’s MMSI number
You need to have your own MMSI (Maritime Mobile Service Identity) number entered in the
NSS system to be able to receive addressed messages from AIS and DSC vessels.
It is also important to have the MMSI number entered to avoid seeing your own vessel as an
AIS target on the chart.
 Note: The Vessel message option in the alarm settings must be toggled on if any MMSI
message shall be displayed.