3─41
3.5.7 Switch True/Relative Motion Display Mode [TM/RM]
Switching Relative Motion (RM) Mode to True Motion (TM) Mode
Procedures 1 Press [TM/RM] key.
The true motion mode will be selected. In the true motion mode, the own ship’s position
on the radar display moves depending upon its speed and course and the influence of the
current. Land and other fixed targets are fixed on the radar display and only actually
moving targets move on the radar display. When the true motion mode is selected, the
own ship’s position is set to about 60% of the display radius in the opposite direction to its
course allowing for the influence of the current. Own ship starts moving depending
upon its speed and course and the influence of the current. Subsequently, when own ship
arrives at the position of about 66% of the display radius, it is automatically reset to its
initial position at about 60% of the display radius in the opposite direction to its course
allowing for the influence of the current.
Resetting Own Ship to its Initial Position in True Motion (TM) Mode
Procedures 1 Press [TM/RM] key for 2 seconds.
Own ship will be reset to its initial position as established when the relative motion mode
is changed to the true motion mode. The ship starts moving from that position.
Switching True Motion (TM) Mode to Relative Motion (RM) Mode
Procedures 1 Press [TM/RM] key.
The relative motion mode will be selected. Own ship returns to the center of the radar
display.
* Button
4
on the radar display on page 2-7 is also available to switch between true motion and relative
motion. Keep pressing the button for two seconds can reset the position of the own ship during true
motion.
Fixed on the radar display
Moving depending on own
ship’s speed
True Motion Display
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