3. AIS OPERATION
3-8
3. Click [AIS LOST FILTER] in the [AIS LOST FILTER] menu.
4. Click the target alarm to enable.
[OFF]: Disable the alarm.
[FILT]: Get the alarm against the targets whose criteria meet the settings on the
[AIS LOST FILTER] menu.
[ALL]: Get the alarm against all lost targets.
5. Click [MAX RANGE VALUE] and [MIN SHIP SPEED VALUE] as appropriate, re-
ferring to the description below.
[MAX RANGE], [MAX RANGE VALUE]: Any AIS lost target beyond the range set
here is not shown.
[MIN SHIP SPEED], [MIN SHIP SPEED VALUE]: Any AIS lost target slower than
this setting is not shown.
[EXCEPT CLASS B]: Select [ON] to prevent trigger lost Class B AIS lost target.
[MIN SHIP LENGTH], [MIN SHIP LENGTH VALUE]: Any AIS lost target whose
length is shorter than this setting is not shown.
3.7.2
How to acknowledge a lost target
1. Click the [AIS] icon to show [AIS TARGET MENU].
2. Right-click [ACK LOST TARGETS].
3. Click [YES]. The lost target disappears from the screen.
3.8
ROT Setting
You may set the lower limit of the ROT (Rate Of Turn) at which the heading line on
target symbols points the ship’s turning direction.
1. Open [MAIN MENU], click [TT
.
AIS].
2. Click [SYMBOL].
3. Click [AIS].
4. Click [ROT TAG LIMIT].
[AIS TARGET MENU]
1 BACK
2
SLEEP ALL TARGETS
NO/YES
3
ACTIVATE ALL TARGETS
NO/YES
4
ACK LOST TARGETS
NO/YES
5
[AIS DISP FILTER]
6
[CPA AUTO ACTIVATE]
7
[AIS LOST FILTER]
[AIS LOST FILTER]
1 BACK
2
AIS LOST FILTER
OFF/FILT/ALL
3 MAX
RANGE
OFF/ON
4 MAX
RANGE
VALUE
03.0km
5 MIN
SHIP
SPEED
OFF/ON
6
MIN SHIP SPEED VALUE
00.0km/h
7
EXCEPT CLASS B
OFF/ON
8
MIN SHIP LENGTH
OFF/ON
9
MIN SHIP LENGTH VALUE
000m
Click
[AIS]
1 BACK
2 SYMBOL
COLOR
GRN/BLU/CYA/MAG/WHT
3
ROT TAG LIMIT
000.0deg/min
4 SCALED
SYMBOL
OFF/ON
