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AP-6
Figure AP-4 Auto acquisition area
Follow the steps shown below to activate the
auto acquisition area;
1. Open the "ARP-10 MENU".
2. Select "8. Auto ACQ" by operating the
omnipad.
3. Operate the omnipad to select "On".
4. Press the [ACQ/ENTER] key.
5. Press the [MENU] key to close the menu.
Terminating Tracking of Targets
When the Auto Plotter has acquired 10 tar-
gets, no more acquisition occurs unless tar-
gets are lost. Should this happen, cancel
tracking of individual targets or all targets by
the procedure described below.
Individual Targets
Place the cursor (+) on a target which you do
not want to be tracked any longer by operat-
ing the omnipad and press and hold down the
[SELECT/CANCEL] key.
All Targets
All targets can be canceled from "ARP-10
MENU" at a time.
1. Open the "ARP-10 MENU".
2. Select "2. All Cancel".
3. Press the [ACQ/ENTER] key.
Displaying Target Data
The Auto Plotter calculates motion trends
(range, bearing, course, speed, CPA and
TCPA) of all targets under tracking at the ARP
Data area.
To turn ARP data on;
1. Press the [MENU] key.
2. Select the "DISP DATA".
3. Press the [ACQ/ENTER] key to select the
message for "ARP" or "NAV and ARP ".
4. Press the [ACQ/ENTER] key to set.
5. Press the [MENU] key to close the menu.
CAUTION
At the speed under 5 kts the target data is
displayed with a delay because of
filtration.
Place the cursor on a wanted target and press
the [SELECT/CANCEL] key. Data on the se-
lected target is displayed at the bottom of the
screen. The symbol of the selected target gets
twice as large as the normal circle. The data
includes the follows;
RNG/BRG (Range/Bearing): Range and
bearing from own ship to the last-plotted or
selected target position with suffix "T" (True)
or "M" (Magnetic). For true bearings suffix
"T" is used in case of gyrocompass input and
suffix "M" is used in case of magnetic com-
pass input.
COURSE/SPEED (Course/Speed):
Course and speed are displayed for the last-
plotted or selected target with suffix "T" (True)
or "M" (Magnetic). For true bearings suffix
"T" is used in case of gyrocompass input and
suffix "M" is used in case of magnetic com-
pass input.
CPA (Closest Point of Approach) is the clos-
est range a target will approach to own ship.
Do not mix it with the operator preset CPA
alarm limit.