Relative motion
In relative motion your vessel remains in a fixed location on the
Radar PPI, and all other objects move relative to your position.
You select the position of the fixed location as described in "Offsetting
the PPI center" on page 129.
True motion
In true motion your vessel and all moving targets move across the
Radar PPI as you travel. All stationary objects remain in a fixed
position. When the vessel’s symbol reaches 75% of the PPI radius
(A), the radar image is redrawn with the vessel symbol re-positioned
(B) 180° opposite the current heading bearing.
When true motion is selected, the true motion reset option is
available from the menu. This allows for manually resetting the radar
image and vessel symbol to its starting position.
Ú
Note: True motion is only available when the PPI is in either
north up or course up orientation mode.
Radar symbology
Use this menu option to collectively turn on/off radar symbology
which are selected to show in the Radar Settings panel (refer to
"Radar settings" on page 133).
Target trails
A target trail indicates the target movement by leaving an
afterglow, gradually reducing the intensity over time.
Target trails show where a target used to be, and the function is
useful for quickly assessing the movement of targets relative to your
own vessel.
130
Radar | GO XSE/XSR Operator Manual
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