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3
RADAR OPERATION
D Measuring the relative speed and course of a target
VRM2
Terget
EBL1
VRM1
EBL2
• Measuring the distance and course from a waypoint
q Display a waypoint. (see p. 3-18)
w Set VRM1 and EBL1 to a target (e.g. the next waypoint) as described above.
e The VRM1 readout shows the distance to the target from the waypoint.
• The distance unit can be selected as nautical miles (nm), sea miles (sm) or kilometers (km) in the Systme Setup menu.
(p. 5-33)
r The EBL1 readout shows the direction to the target from the waypoint.
q Turn ON the Trail function (p. 3-13), and then wait
until the trail time count up reaches to the TRAIL
TIME.
w Set VRM1 and EBL1 to the current plotted position
of the same target as described at left.
e The VRM1 readout is a measure of target move-
ment which can be converted into relative target
speed.
• For example, when a 6 minutes trail time is selected,
multiplying the distance by ten gives the relative aver-
age speed of the target.
• If your ship is stationary during the plotting time, the
converted speed and direction become absolute.
• The converted speed unit is knots or kilometers/hour
when the unit selected in the Initial Setup menu is nau-
tical miles (nm), sea miles (sm) or kilometers (km), re-
spectively.
r The EBL1 readout shows the course direction of
the target.
3-26
, sea miles (sm) or kilometers (km), re-
or kilometers (km), re-
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