Lowrance HDS PRO Operator's Manual page 198

Bearings
Used for selecting whether the bearing should be measured in
relation to True/Magnetic North (°T/°M), or relative to own vessel
(°R).
Ú Note:
True bearing can only be selected when a compass is
available.
Data bar
Turns on/off the radar data bar. Refer to the radar panel illustration.
By default, the data shows targets arranged with the most
dangerous targets on top. You can select to show radar targets on
top and before any AIS targets, even if the AIS targets are
considered more dangerous.
Vessels and tracked targets
This dialog contains settings for both AIS and radar targets. AIS
specific settings are only available if you have a capable AIS device
connected to your system.
Use this option to specify:
• Dangerous targets
- Time to closest point of approach - specify the time of
approach in which a vessel is to be considered dangerous.
- Closest point of approach - specify the closest point of
approach in which a vessel is to be considered dangerous. This
setting determines the size of the safe ring if safe ring is
enabled, refer to "Safe ring" on page 200.
• Targets of interest - targets further away than the following
distance will be hidden:
- Range of interest - specify to show targets in all ranges
(based on radar range) or targets within a specific distance of
own vessel.
• Filtering - define which and how many AIS targets will be shown.
If the amount of targets exceeds the set number, only the most
interesting targets will be shown. For radars that support tracking
targets, the following target filter settings will also apply to
tracked targets.
Filter options are:
Radar| HDS Pro Operator Manual
199