User manual JRC JMA-9933-SA
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Manual abstract: user guide JRC JMA-9933-SA
Detailed instructions for use are in the User's Guide.
[. . . ] MARINE RADAR EQUIPMENT
INSTRUCTION MANUAL
9900
LCD
1087/1089
NKE-1079/1075A NKE-1079/1075A
NKE-1079/1075A
Then, wipe his mouth so that foaming mucus does not accumulate inside.
Transmitter-receiver Unit Type NTG-3037/3037A
Scanner Unit Type NKE-1075/1075A (12 Feet)
Display Unit Type NCD-4263(Self-standing Type)
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Monitor Unit Type NWZ-158T (Desktop Type) (Option)
Control Unit Type NDC-1279T (Desktop Type) (Optyon)
Keyboard Unit Type NCE-7721T (Desktop Type) (Option)
Display Unit Type NCD-4263T (Desktop Type) (Option)
CONTENTS
PREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Before Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Cautions to be Used during Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii PRECAUTIONS BEFORE OPERATION
·¡ ·TM ·TM ·TM ·¡ Cautions for high voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v What to do in case of electric shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v First-aid treatments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi When pulse is beating but breathing has stopped . . . . . . . . . . . . . . . . . . . . vii When both pulse and breathing have stopped . . . . . . . . . . . . . . . . . . . . . . . . . viii
FIRST-AID TREATMENTS
EQUIPMENT APPEARANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] [EBL] control Speed: 0 to 100 knots (0. 1 knot steps). . . . . . . . . . . . . . . . . . . . . . . . . [VRM] control
Trial Maneuvering in the True Vector Mode¥¥
In the True Vector mode, calculations are made according to the values set by TRIAL SPEED and TRIAL COURSE, and the result is displayed as a bold-line that represents the change of the own ship's vector as shown in the figure below (an example of the course changed to starboard). In this figure, the dangerous target that is ahead to the port side becomes safe as a result of the simulation. The target data display field indicates the current CPA LIMIT and TCPA LIMIT values regardless of the result of the simulation.
, T
NORMAL
Dangerous target
TRIAL
Change of symbol as a result of trial maneuver
HL
Change in course
HL
Own ship
Own ship T
Trial speed (vector time)
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Trial Maneuvering in the Relative Vector Mode¥¥
The result of trial maneuvering in the Relative Vector mode is shown by a change in target vector. In the figure below (with the same conditions as in the True Vector mode on the previous page), it is seen that the acquired target is a dangerous one because its vector is crossing the CPA RING.
NORMAL
TRIAL
Change of symbol as a result of trial maneuver
Dangerous target
HL
HL
Change in course
, T
Own ship
CPA·@RING
Own ship T
CPA RING
The above figure shows that the relative vector of the target has changed as shown in the figure as a result of simulation (course and speed), so that the target's symbol is changed to "·> "; i. e. , a safe target. As was the case in the True Vector mode, the data display field indicates the current values of CPA LIMIT and TCPA LIMIT, not those as the result of the simulation. The course change of own ship is displayed as a dotted line.
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Using the TRIAL Function¥¥ ¥
Procedures 1 Press the MENU or OPTION2 key on the screen.
The ARPA menu will be opened.
2
Click SUB1 MENU , then ARPA/AIS and TRIAL .
The ARPA TRIAL menu will be opened.
3
Left-click ·gON·h under ·g1. TRIAL·h.
"1. TRIAL" will be turned "ON" and the character "T" will blink below the own ship display in the radar screen, indicating that the system is conducting a trial.
4
Make the settings with the course [EBL] control and speed [VRM] control. The plot data symbols are "·¢ for safe targets. " for dangerous targets and "·> "
5
Cancellation
1
Select OFF under TRIAL in the ARPA TRIAL menu.
"OFF" will be set for "TRIAL" and the system will return to the normal display.
, T
Exit
1
Click EXIT .
The ARPA TRIAL menu will be closed.
2
Click EXIT .
The ARPA menu will be closed.
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5. 9
DELETING UNWANTED TARGETS
When it is no longer necessary to continue tracking acquired and tracked targets with their symbols and vectors displayed, or when it necessary to reduce the number of vectors to make the screen easier to observe, unnecessary targets can be cancelled one by one. When all targets are reacquired from the beginning, all the targets on display can be cancelled at once.
Deleting Targets¥¥ ¥ ¥
Deleting one target Procedures 1 Press
CANCEL
ACQ
.
The ARPA menu is opened.
, T
Or, Procedures
2 3
Place the cross cursor over the target to be deleted. Press the left trackball button.
The symbol and vector of the target will be deleted, and only the target echo will remain.
1
Press
MANUAL
ACQ
.
The ARPA menu is opened.
2
Place the cross cursor over the target to be deleted.
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3
Press the left trackball button.
The symbol and vector of the target will be deleted, and only the target echo will remain.
Target to be deleted.
Attention
When all targets are deleted, the system stops tracking all the targets and they must be acquired again, either automatically or manually. Therefore, do not use this method except when it is necessary to delete all targets.
, T
Deleting all targets Procedures 1 Press
CANCEL
ACQ
continuously for 2 seconds or more.
All the symbols and vectors of all targets will be deleted.
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5. 10
ARPA SETTING
CAUTION
This simulation is a function to check whether the ARPA system is operating normally. Do not use this function except to check ARPA operation. Especially, avoid using this mode during actual navigation because it will display pseudo targets on the radar screen which may be confused with actual targets. Using this function during actual navigation can lead to accidents.
, T
The following constants used for ARPA can be referred to and modified:
Pseudo targets are generated on the radar display to check whether the ARPA functions are operating normally. [II] VD LEVEL: Quantizing level for the video to be input to the target detection circuit. [III] VECTOR CONSTANT: Constant to calculate the ARPA vectors. [IV] GATE: Gate size to acquire and track targets. [V] TEST VIDEO: Test video for use in checking the operation of the target detection circuit.
[I]
SIMULATOR:
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Simulation¥¥ ¥
CAUTION
Do not change the VD LEVEL and VECTOR CONSTANT, because they are already set to the optimum values. Making any changes to these may cause deterioration in the ARPA performance.
Pseudo targets are generated in certain known positions to check whether the ARPA processing circuits are operating normally. Since the pseudo targets move according to known parameters, the values for these pseudo targets can be compared with the known values by acquiring, tracking and displaying them, and thereby checking whether the ARPA system is operating normally. This function should be used only in the standby TEST M ENU mode.
ARPA TEST 1. [. . . ] Alarm Message CPA / TCPA LOST AIS MAX TARGET AIS (DATA) AIS I/ F (DATA) Meaning Dangerous Target is occurred Lost Target is occurred The number of displayed AIS symbols was exceeded the maximum target number 50. (The 51st data was received. ) AIS is not connected correctly. The AIS interface is not connected to radar correctly. It is the alarm information received from AIS, AIS ALARM *** Local Alarm Number of an ALR sentence is displayed by 3 figure number "***". . [. . . ]
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