JRC JMR-611 Instruction Manual page 19

SEA
SOG (Speed Over Ground)
TM (True Motion)
TRAILS
True Vector
VRM
: Sea clutter suppression.
: Speed relative to the ground.
: True motion presentation. A presentation in which own ship and
any other target move depending on their individual movements.
: Function of displaying tracks of other ships.
: A target's true movement predicted as the result of entering own
ship's direction and speed.
: Variable Range Marker.
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