Monitoring The Motion Of Other Ships (Targets); Radar Display Of Wake; Commencing Radar Display Of A Wake; Ending Radar Display Of A Wake - JRC JMA-2343 Instruction Manual

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
(b) Push the soft key 4 and set the wake time to other than
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
(b) Push the soft key 4 and set the wake time to
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
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
ＰＲＯＣＥＳＳ .
ＰＲＯＣＥＳＳ
ＰＲＯＣＥＳＳ ＰＲＯＣＥＳＳ
ＰＲＯＣＥＳＳ .
ＰＲＯＣＥＳＳ ＰＲＯＣＥＳＳ ＰＲＯＣＥＳＳ
ＧＵＡＲＤ .
ＧＵＡＲＤ ＧＵＡＲＤ
ＭＡＫＥ .
ＭＡＫＥ ＭＡＫＥ
197
ＷＫＳ ＷＫＳ ＯＦＦ ＷＫＳ ＷＫＳ
ＯＦＦ .
ＷＫＳ ＯＦＦ ＷＫＳ
ＷＫＳ ＷＫＳ ＯＦＦ ＯＦＦ
ＯＦＦ .
ＯＦＦ ＯＦＦ