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3.4 General Radar Operation
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3.4.6 Switch True / Relative Motion Display Mode [TM / RM]
Switching Relative Motion (RM) Mode to True Motion (TM) Mode
Procedures 1 Press the [TM / RM] key.
RM ⇒ TM
The true motion mode will be selected. In the true motion mode, the own ship’s
position of the display moves depending upon its speed and course and the influence
of the current. Land and other fixed targets are fixed of the display and only actually
moving targets move of the 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 60% of the display radius, it is automatically reset
to its initial position at about 66% 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 the [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 the [TM / RM] key.
TM ⇒ RM ⇒ TM
The relative motion mode will be selected. Own ship returns to the center of the
display.
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