Garmin 7215 Manuale Utente

Charts and 3D Chart Views

When heading and course over ground information are provided by an activated AIS target, the 

heading of the target appears on a chart as a solid line attached to the AIS target symbol. A heading 

line does not appear on a 3D chart view.
The projected course of an activated AIS target appears as a dashed line on a chart or a 3D chart 

view. The length of the projected course line is based on the value of the projected heading setting  

). If an an activated AIS target is not transmitting speed information, or if the vessel is not 

moving, a projected course line does not appear. Changes in the speed, course over ground, or rate of 

turn information transmitted by the vessel can impact the calculation of the projected course line.
When course over ground, heading, and rate of turn information are provided by an activated AIS 

target, the projected course of the target is calculated based on the course over ground and the rate of 

turn information. The direction in which the target is turning, which is also based on the rate of turn 

information, is indicated by the direction of the barb at the end of the heading line. The length of the 

barb does not change.

When course over ground and heading information are provided by an activated AIS target, but 

rate of turn information is not provided, the projected course of the target is calculated based on the 

course over ground information. 

AIS signal reception is turned on by default.

From the Home screen, select 

 > 

 > 

>

.

All AIS functionality on all charts and on all 3D chart views is disabled. This includes AIS vessel 

targeting and tracking, collision alarms that result from AIS vessel targeting and tracking, and the 

display of information about AIS vessels.