1. OPERATION
1-12
1.8.1
Plotter display
The plotter display, which automatically appears after the power-on sequence, shows
various information for AIS-equipped ships, AIS-SARTs, etc. within the range select-
ed. The display is fixed at a north-up orientation.
Data for ship target
A target marker (hollow triangle) indicates the presence of a vessel equipped with AIS
in a certain location and course. To view detailed information about a vessel, see
paragraph 1.8.2.
If two or more targets occupy a similar position, the display priority order is: selected
target (surrounded by a broken box, as shown in the example below) > non-selected
target.
How to operate the plotter display
1. Press the
DISP
key to show the plotter display.
2. Press
W
or
X
to select a range. The available ranges are (in nm): 0.125, 0.25, 0.5,
0.75, 1.5, 3, 6, 12, and 24.
3. Press
S
or
T
to select a target. The selected target is highlighted in a blue col-
ored broken box. Further, the selected target’s basic data are displayed on the
right-side of the screen.
4. To view a target’s detailed data, or to sort the target list, select the desired target,
then press the
ENT/ACK
key. The [FUNCTION] pop up window appears.
• [SORT (NORMAL)]: Press
W
to display and sort the [TARGET LIST] into range
order.
: CURSOR
: SELECT
: RANGE
ENT
: NEXT
DISP
B
CLASS A
MMSI
TYPE
POSN
SOG
RNG
HDG
COG
BRG
123123123
310º
135º
225º
10.0kn
3 .0NM
34º 31.1234´N
135º 24.5678´E
A
CPA
20'00"
2 .0NM
DANGER
is displayed here when a
target is calculated to be on a
collision course with your vessel. If
no signal is received from target,
LOST
is displayed. The target data
is deleted seven minutes after the
loss of signal from the target.
MMSI
: Target’s
MMSI
NAME
: Target vessel’s name (if available)
POSN
: Target’s last known position
HDG
: Target’s
heading
SOG
: Target’s Speed Over Ground
COG
: Target’s Course Over Ground
RNG
: Range to target from own ship
BRG
: Bearing to target
CPA
:
Range and time to approach to the target
from own ship
Target type
(CLASS A, CLASS B,
BS, AtoN, SAR,
AIS-SART, MOB-AIS,
EPIRB-AIS, INLAND)
MMSI
POSN
SOG
RNG
HDG
COG
BRG
123123123
310º
135º
225º
10.0kn
3 .0NM
34º 31.1234´N
135º 24.5678´E
CPA
20'00"
2 .0NM
Key guidance bar
Selected target
Own ship symbol
AIS-SART
Target (black)
Base station
B
For a full list of AIS icons, and their
meanings, see Appendix 5, at the
back of this manual.
FUNCTION
NEW MSG
VIEW DETAIL
SORT
(DANGER)
SORT
(NORMAL)
NAME REQUEST
ENT