3ņ51 
3.5.10    Display Radar Trails (Other Ships’ Trails) [TRAILS] 
 
Other ships’ movements and speeds can be monitored from the lengths and directions of their trails, serving for 
collision avoidance.    The trail length varies according to setting. 
The setting is described on the next page. 
 
Changing the trail length 
 
 
  Procedure   
 
 Trail length setting in SHORT mode: 
Press [TRAILS] key. 
  15 sec    will be selected. 
“TRAILS    15 sec ” will appear at the lower left of the radar display. 
The trails (15 sec in length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
  30 sec    will be selected. 
“TRAILS    30 sec ” will appear at the lower left of the radar display. 
The trails (30 sec in length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
  1 min    will be selected. 
“TRAILS    1 min ” will appear at the lower left of the radar display. 
The trails (1 min in length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
  3 min    will be selected. 
“TRAILS    3 min ” will appear at the lower left of the radar display. 
The trails (3 min in length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
  6 min    will be selected. 
“TRAILS    6 min ” will appear at the lower left of the radar display. 
The trails (6 min in length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
  10 min    will be selected. 
“TRAILS    10 min ” will appear at the lower left of the radar display. 
The trails (10 min in length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
  15 min    will be selected. 
“TRAILS    15 min ” will appear at the lower left of the radar display. 
The trails (15 min in length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
  CONT    will be selected. 
“TRAILS    CONT ” will appear at the lower left of the radar display. 
The trails (in unlimited length) will appear after other ships’ symbols. 
 
Press [TRAILS] key. 
“TRAILS    OFF ” will appear at the lower left of the radar display. 
The trails of other ships will disappear.