6-35  Section 6    Target Tracking and AIS 
 
 
 
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3  Click on [Property] in the context menu. 
The [TT Target INFO] dialog is opened. 
 
 
4  To set the target to a reference target, check [Reference Target]. 
To not set the target to a reference target, uncheck [Reference Target]. 
5  Select [TGT] from the COG/SOG source combo box in the own ship information at the 
top right corner of the screen. 
The ship speed is automatically calculated from the reference target and is displayed as the 
COG/SOG speed. 
When a reference target is set, the symbol display changes to “
R
 ”. 
 
Note 
Only one target can be set as a reference target. 
When a new reference target is set, the previous reference target is cancelled. 
 
 
 
[Reference Target] 
check box