JRC JMA-2343, Instruction Manual

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3.3.25 Monitoring the motion of other ships (Targets)
One of the following functions is used to monitor the movement of other ships (targets)
• Wakes (set using the soft key)
•
Lookout alarm (set using the soft key)
1. Radar display of wake 1. Radar display of wake 1. Radar display of wake 1. Radar display of wake
It is possible to confirm the movement of other ships through the length and direction
of the wake and this can be utilized to avoid collisions.
The length of a wake may automatically be selected among 15 seconds, 30 seconds, 1
minute, 3 minutes, 6 minutes, 15 minutes, 30 minutes and continuous.
Commencing radar display of a wake Commencing radar display of a wake Commencing radar display of a wake Commencing radar display of a wake
(a) Push the soft key
ＰＲＯＣＥＳＳ ＰＲＯＣＥＳＳ ＰＲＯＣＥＳＳ ＰＲＯＣＥＳＳ
.
(b) Push the soft key 4 and set the wake time to other than
ＷＫＳ ＷＫＳ ＷＫＳ ＷＫＳ ＯＦＦ ＯＦＦ ＯＦＦ ＯＦＦ
.
Radar display of the wake will begin.
Ending radar display of a wake
Ending radar display of a wake Ending radar display of a wake
Ending radar display of a wake
(a) Push the soft key
ＰＲＯＣＥＳＳ
ＰＲＯＣＥＳＳ ＰＲＯＣＥＳＳ
ＰＲＯＣＥＳＳ
.
(b) Push the soft key 4 and set the wake time to
ＷＫＳ
ＷＫＳ ＷＫＳ
ＷＫＳ ＯＦＦ
ＯＦＦ ＯＦＦ
ＯＦＦ
.
Display of the wake will be discontinued.
2. Using the lookout alarm 2. Using the lookout alarm 2. Using the lookout alarm 2. Using the lookout alarm
The guard zone may be defined using the lookout alarm.
The guard zone refers to an "area" defined on the PPI screen.
When a target enters this "area" or exits the "area" an alarm is sounded.
The alarm mode that is activated when a target enters a guard zone is called the IN
mode.
The alarm mode that is activated when a target exits a guard zone is called the OUT
mode.
Setting the guard zone
Setting the guard zone Setting the guard zone Setting the guard zone
(a) Push the soft key
ＧＵＡＲＤ ＧＵＡＲＤ ＧＵＡＲＤ ＧＵＡＲＤ
.
The marker "+" appears on the PPI screen and a dotted distance help line and
dotted azimuth help line that indicates the distance and azimuth of the marker will
be displayed.
(b) Push the soft key 1
ＭＡＫＥ ＭＡＫＥ ＭＡＫＥ ＭＡＫＥ
.