8-23  Section 8    Functions of the ECDIS (Option) 
 
 
 
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8.6.1  Setting motion mode 
Set a motion mode with the Motion Mode combo box in Chart Information Area. 
1  Click on the Motion Mode combo box. 
2  Select a motion mode. 
 
Setting item  Description  Display image 
[TM] True Motion Mode 
• Land and other fixed objects are fixed 
on the display and only own ship 
moves on the display. When own ship 
reaches the predetermined limit, the 
chart is automatically shifted so that 
own ship always remains on the 
screen. 
 
 
 
[RM]  Relative Motion Mode 
• Own ship is fixed at the center of the 
screen and the fixed objects such as 
land move relatively. 
 
 
 
[Free] Free 
• You can freely move the chart on the 
display regardless of the own ship's 
direction. As the own ship goes, it 
disappears from the screen. 
 
 
 
 
Fixed 
Heading line 
Own ship 
Moves 
relatively 
Heading line
 
Fixed on ship position 
Fixed 
Heading line 
Own ship