Koden MDC-5004, Operation Manuals

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MDC-5000 Series Chapter 2 Radar Basic Operation
0093153004-00 2-17
Moving
Land
Fixed
Moving
Antenna
position
Moving
Land
Fixed
Moving
Antenna
position
For relative motion (RM) and true motion (TM)
Relative motion (H UP
RM
, C UP
RM
, N UP
RM
) fixes your antenna position at the center of the display, and
indicates the motion of targets that surround your antenna position.
Your antenna position is displayed at the center. So, while the ship is moving, the fixed targets such as
the land also continue to move.
True motion (C UP
TM
, N UP
TM
) indicates the motion of the target with respect to the specified bearing.
Fixed targets that do not move in any direction stay on the display, and all the moving targets move on
the display.
Note: The heading always continues to move. So, no true motion TM is available for H UP.
Relative motion (RM) : The antenna position is fixed and the other surrounding targets move on the
display.
This is useful to
monitor the surrounding situation with respect to own ship’s
position.
True motion (TM) : The antenna position on the display moves according to its speed and tidal current.
Stationary targets are fixed on the display. This mode is useful to monitor your
position with respect to the fixed targets such as land.