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4. Tracked Target (TT) Operation
4-24
Set 1
Set 2
Set 1
Set 2
Set speed and turn rate to
zero (0) to simulate
course and speed changes
not affected by ship's
inertia.
6. Click the Close window button (X) to close the menu. Then, the TRIAL box appears at the right side of the
display.
TRIAL box
7. Use the trackball to select the TRIAL box then push the scrollwheel to display TRIAL SET. Then, the TRIAL
box reads TRIAL SET and boxes appear above the TRIAL box as below.
86.8°T
06.5kn
00:30 DELAY
TRIAL 00:00
Course for trial maneuver
Speed for trial maneuver
Delay time for trial maneuver
Trial time
Boxes for setting trial maneuver parameters
8. Use the scrollwheel to select delay time at DELAY. This is the time after which own ship takes a new situation,
not the time the simulation begins. Change the delay time according to own ship loading condition, etc. Spin the
scrollwheel to select numeric; push the scrollwheel to set.
9. Use the trackball to select the course-setting box. Use the scrollwheel to set the course: Spin the scrollwheel to
select location; push the scrollwheel to set.
10. Use the trackball to select the speed-setting box. Use the scrollwheel to set the speed: Spin the scrollwheel to
select location; push the scrollwheel to set.
Note: Course and speed may also be set with the EBL and VRM, respectively. Put the cursor in any one
of the four trial maneuver related boxes and operate applicable control.
11. Select TRIAL SET. Push the left button or the scrollwheel. The TRIAL box shows "TRAIL 00:00" (00:00 is
trial maneuver time).
The time indication depends on trial mode:
Dynamic mode: The position of your ship and TTs is updated and displayed every 30 seconds.
Static mode: The position of your ship and TTs when set course and speed are reached are displayed. The progress
time until the position is reached is indicated on the display. The trial time can be changed from the Trial Time box.
Put the cursor in the Trial Time box and roll the scrollwheel. The position of targets at the end of selected time is
shown. Increase or decrease the time to get a safe manuever. When the cursor is removed from the box the original
positions of your ship and TTs are restored. If a manuever is unsafe, change speed, course and delay until it is safe.
The trial maneuver takes place with the letter "T" displayed at the bottom of the screen. The time appears at the top
right side of the display. If any TT is predicted to be on a collision course with own ship (that is, the target ship
comes within preset CPA/TCPA limits), the target plotting symbol flashes. If this happens, change own ship's trial
speed, course or delay time to obtain a safe maneuver.
Terminating a trial maneuver
The termination depends on the trial mode as follows:
Dynamic mode: The trial is terminated when 60 minutes is shown in the Trial Time Box.
Static mode: The trial is terminated when you terminate the trial maneuver manually.
To terminate the trial maneuver manually, put the cursor in the Trial Time box then push the left button to show
TRAIL OFF in the box.