Onwa Marine Electronics KR-12X8 - Manual (Page 72)

Deactivation the Auto Plotter
To deactivate the Auto Plotter.
1. Open the "ARP MENU".
2. Operate the omnipad to select the "Display".
3. Operate the omnipad to select "Off".
4. Press the [ACQ/ENTER] key.
5. Press the [MENU] key to close the menu.
Acquiring targets
Manual Acquisition
Follow the steps below to manually acquire a target. Up to 20 target can be man-
ually acquired.
1. Place the cursor(+) on a target of interest by operating the omnipad.
2. Press the [ACQ/ENTER] key.
The plot symbol changes its shape according to the status as below. A vector
appears in about one minute after acquisition indicating the target s motion trend.
If the target is consistently detected for three minutes, the plot symbol changes to
a solid mark. If acquisition fails, the target symbol blinks ans disappears shortly.
'
CIRCLE (dotted)
Immediately after acquisition - Plot symbol shown in broken lines.
CIRCLE (dotted with a vector)
One minute after acquisition - Vector still unreliable.
CIRCLE (Soild with a vector)
3 minutes after acquisition - Plot symbol changes to a solid circel indicating
the stable tracking condition.
FRAME CIRCLE
The plot symbol of a target under tracking becomes twice as large as the nor-
mal symbol when the target is selected for data reading.
Note 1: The target to be acquired should be within 0.2 to 16 nm from own
ship and not obscured by sea or rain clutter for successful acquisition.
Note 2: When you want to acquire 21th target, cancel tracking one of less im-
portant target.
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