Lowrance HDS-7 Carbon Operators Manual EN - Page 151

Your vessel’s MMSI number, Icon filters, Course extension lines, Defining dangerous vessels

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Your vessel's MMSI number You need to have your own MMSI (Maritime Mobile Service Identity) number entered in the system 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. Ú Note: The Vessel message option in the alarm settings must be toggled on for any MMSI message to be displayed. Icon filters By default, all targets are shown on the panel if an AIS device is connected to the system. You can select not to show any targets, or to filter the icons based on security settings, distance, and vessel speed. Course extension lines You can set the length of the Course Over Ground (COG) extension lines for other AIS vessels. The length of the extension lines is either set as off, as a fixed distance, or to indicate the distance the vessel will move in the selected time period. If Off is selected, then no COG extension lines are shown for the vessel. For information about extension lines for your vessel, refer to "Extension lines" on page 52. Defining dangerous vessels You can define an invisible guard zone around your vessel. When a target comes within the set limits, the symbol changes to the Dangerous target symbol. An alarm is triggered if activated in the Alarm settings panel. AIS | HDS Carbon Operator Manual 151

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Your vessel’s MMSI number
You need to have your own MMSI (Maritime Mobile Service Identity)
number entered in the system 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.
Ú
Note:
The Vessel message option in the alarm settings must be
toggled on for any MMSI message to be displayed.
Icon filters
By default, all targets are shown on the panel if an AIS device is
connected to the system.
You can select not to show any targets, or to filter the icons based
on security settings, distance, and vessel speed.
Course extension lines
You can set the length of the Course Over Ground (COG) extension
lines for other AIS vessels. The length of the extension lines is either
set as off, as a fixed distance, or to indicate the distance the vessel
will move in the selected time period. If Off is selected, then no COG
extension lines are shown for the vessel. For information about
extension lines for your vessel, refer to
"Extension lines"
on page 52.
Defining dangerous vessels
You can define an invisible guard zone around your vessel. When a
target comes within the set limits, the symbol changes to the
Dangerous target symbol. An alarm is triggered if activated in the
Alarm settings panel.
AIS
| HDS Carbon Operator Manual
151