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The own ship's position is reset to the position at switching to true motion display, and the own 
ship starts moving from the position. 
Allowable combinations of azimuth modes and motion modes 
Available azimuth modes vary depending on the motion mode. 
 
  H-UP N-UP C-UP 
RM  ○  ○  ○ 
TM  ×  ○  ○ 
CTM  ×  ○  ○ 
Difference between TM and CTM 
The CTM mode always displays TM-mode images with the own ship as the center. 
 
 TM CTM 
Own ship display  True motion  Fixed to the center 
Another ship display 
True motion display  Relative motion display 
Image processing  True motion  True motion 
Radar trails  True motion display  True motion display 
Off-center 90%  90%