20.5 Lost Tracked Targets
A lost tracked target is displayed on the ECDIS as a blinking target symbol in green and dark yellow alternately.
20.5.1 Lost tracked target alarm (buzzer)
Put the cursor on the text OFF, FILT or ALL (whichever is shown) in the Lost
TGT alarm line, spin the scrollwheel to select desired option then left click to
confirm selection.
The FILT option lets you set additional conditions for lost tracked targets. See
the dialog box below.
To set the conditions for the lost target alarm, put the cursor on the setting of
"Lost TGT alarm" then right-click to show the lost target alarm dialog box.
Set desired additional conditions (Max range and Min. ship speed).for lost tracked targets in the TT window.
20.6 How to Display True or Relative Speed Vectors
Targets vector can be displayed relative to own ship's heading R Vect or with
reference to the North (true vector stabilised to Ground, T Vect(G) or True
vector stabilised to Sea, T Vect(S)). All presentation modes can be used with
relative motion or true motion.
Vector time (or the length of vectors) and presentation mode can be set on
the information area Put the cursor on the item you wish to change, spin the
scrollwheel to select setting then push the scrollwheel. See the at right for
location of vector-related items.
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