JRC JMA-5204 User manual
ISO 9001, ISO 14001 Certified
AUG. 2022 Edition 7CODE No.7ZPRD0703
Not use the asbestos
For further information,contact:
URL Head office : http://www.jrc.co.jp/eng/
Marine Service Department
1-7-32 Tatsumi, Koto-ku, Tokyo 135-0053, Japan
:
+81-50-3786-9201
e-mail
One-call
MARINE RADARMARINE RADAR
EQUIPMENTEQUIPMENT
INSTRUCTIONINSTRUCTION
MANUALMANUAL
JMAJMA-52045204
JMAJMA-5208/HS5208/HS
JMAJMA-52095209
JMAJMA-52125212-4/64/6
JMAJMA-52225222-7/97/9
JMAJMA-52125212-4HS/6HS4HS/6HS
RIV
E
INSTR
J
CODE No.7ZPRD0767
NOV. 2009 Edition 2 JRC
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- i -
PREFACE
Thank you very much for purchasing the JRC marine radar equipment, JMA-5200MK2 series.
This equipment is a marine radar equipment designed to obtain safe operation of marine ships.
This equipment consists of a radar signal transmitter-receiver unit, a LCD display unit and a scanner unit as its
main units.
ە Before operating the equipment, be sure to read this instruction manual carefully for correct operation.
ە Maintain this instruction manual so that operators can refer to it at anytime.
Refer to this manual when any inconvenience or defect occurs.
- ii -
ە
Before Operation
ە
Pictorial Indication
Various pictorial indications are included in this manual and are shown on these equipment so that you can
operate them safety and correctly and prevent any danger to you and/or to other persons and any damage to
your property during operation. Such indications and their meanings are as follows.
Please understand them before you read this manual:
DANGER This indication is shown where incorrect equipment operation due to
negligence may cause death or serious injuries.
WARNING This indication is shown where any person is supposed to be in
danger of being killed or seriously injured if this indication is
neglected and these equipment are not operated correctly.
CAUTION This indication is shown where any person is supposed to be injured
or any property damage is supposed to occur if this indication is
neglected and these equipment are not operated correctly.
Examples of Pictorial Indication
Electric Shock
The U mark represents CAUTION (including DANGER and WARNING).
Detailed contents of CAUTION (“Electric Shock” in the example on the
left.) is shown in the mark.
Disassembling
Prohibited
Prohibited
The ; mark represents prohibition.
Detailed contents of the prohibited action (“Disassembling Prohibited” in the
example on the left.) is shown in the mark.
Disconnect
the power
plug
Instruction
The z mark represents instruction.
Detailed contents of the instruction (“Disconnect the power plug “ in the
example on the left.) is shown in the mark.
Warning Label
There is a warning label on the top cover of the equipment.
Do not try to remove, break or modify the label.
- iii -
ە
PRECAUTIONSە
DANGER
Never conduct inspection or repair work of equipment
components.
Inspection or repair work by uncertified personnel may
result in fire hazard or electrocution.
For inspection and repair work of equipment
components, consult with our branch office, branch
shop, sales office, or our distributor in your district.
When conducting maintenance, make sure to turn the
main power off.
Failure to comply may result in electrocution.
Turn off the main power before cleaning the equipment.
Especially when a rectifier is used, make sure to turn it
off since voltage is still outputted from the rectifier even
after the indicator and the radar are turned off. Failure to
comply may result in equipment failure, or death or
serious injury due to electric shock.
When conducting maintenance work on the antenna,
make sure to turn its main power off.
Failure to comply may result in electrocution or injuries.
Make sure to turn off the antenna operation switch.
Failure to comply may result in injuries caused by
physical contact with the rotating antenna.
Do not touch the radiator. Even if the power is turned off,
the radiator may be rotated by the wind.
- iv -
Never directly touch the internal components of the
antenna, receiver/transceiver, or indicator. Direct
contact with these high-voltage components may cause
electrocution. For maintenance, inspection, or
adjustment of equipment components, consult with our
branch office, branch shop, sales office, or our distributor
in your district.
Do not get close to the radiant section of the antenna. It
is a rotating part, and it may cause injuries if it suddenly
starts rotating and consequently hits the body. It is
recommended that the radiant section be installed at a
high place such as on the roof of the wheelhouse, on the
flying bridge, on the trestle, or on the radar mast so that
no one can get close to it. When any work must be done
on the antenna, make sure to turn the antenna switch off.
WARNING
Microwave radiation level:
Keep away from a scanner when it is transmitting.
The high level of microwave is radiated from the front
face of the scanner specified below. The microwave
exposure at close range could result in injuries
(especially of the eyes).
System 50W/m2 10W/m2 2.5W/m2
NKE-2103 n/a 26cm 123cm
NKE-2254 5cm 81cm 162cm
Make sure to install the antenna at a place higher than
human height.
Direct exposure to electromagnetic waves at close range
will have adverse effects on the human body.
- v -
WARNING
When conducting maintenance work, make sure to turn
off the power and unplug the power connector J1 of the
radar process unit so that the power supply to the
equipment is completely cut off.
Some equipment components can carry electrical current
even after the power switch is turned off, and conducting
maintenance work without unplugging the power
connector may result in electrocution, equipment failure,
or accidents.
Direct exposure to electromagnetic waves at close range
will have adverse effects on the human body. When it is
necessary to get close to the antenna for maintenance or
inspection purposes, make sure to turn the indicator
power switch to "OFF" or "STBY."
Direct exposure to electromagnetic waves at close range
will have adverse effects on the human body.
When cleaning the display screen, do not wipe it too
strongly with a dry cloth. Also, do not use gasoline or
thinner to clean the screen. Failure to comply will result
in damage to the screen surface.
When disposing of used lithium batteries, be sure to
insulate the batteries by attaching a piece of adhesive
tape on the
and
{
terminals. Failure to comply may
cause heat generation, explosion, or fire when the
batteries get shorted out.
Do not change MBS Level/Area unless absolutely
necessary.
Incorrect adjustment will result in deletion of nearby
target images and thus collisions may occur resulting in
death or serious injuries.
- vi -
CAUTION
When using the [AUTO SEA] function, never set the
suppression level too high canceling out all image noises
from the sea surface at close range.
Detection of not only echoes from waves but also targets
such as other ships or dangerous objects will become
inhibited.
When using the [AUTO SEA] function, make sure to
choose the most appropriate image noise suppression
level.
A malfunction may occur if the power in the ship is
instantaneously interrupted during operation of the radar.
In this case, the power should be turned on again.
If sensitivity is set too high, unnecessary signals such as
noises in the receiver and false echoes increase to lower
target visibility.
At the same time, if sensitivity is set too low, detection of
targets such as ships and dangerous objects may be
hindered.
Therefore, sensitivity must always be set to an optimal
level.
Always use the automatic tuning mode.
Use the manual tuning mode only when the automatic
tuning mode does not provide the best tuning state due
to deterioration of magnetron for example.
- vii -
Use the radar only as a navigation aid. The final
navigation decision must always be made by the operator
him/herself. Making the final navigation decision based
only on the radar display may cause accidents such as
collisions or running aground.
CAUTION
When using the [AUTO RAIN] function, never set the
suppression level too high canceling out all image noises
from the rain or snow at close range.
Detection of not only echoes from the rain or snow but
also targets such as other ships or dangerous objects
will become inhibited.
When using the [AUTO RAIN] function, make sure to
choose the most appropriate image noise suppression
level.
When the chart position is corrected, the display will be
shifted away from the actual position. With this in mind,
navigate your ship with attention to the surroundings.
Otherwise, this may cause accidents.
Compact Flash Cards can be used with this system. The
following shows the recommendations in use. However
they do not guarantee that CF cards may properly work
with this system. Depending on the hardware or software,
the cards will not work correctly.
Any damage including loss of data caused by using the
data created on this system is out of warranty.
Important files should be backed up therefore.
- viii -
Use the target tracking function (TT) only as a navigation
aid. The final navigation decision must always be made
by the operator him/herself. Making the final navigation
decision based only on the target tracking function (TT)
information may cause accidents.
The target tracking function (TT) information such as
vector, target numerical data, and alarms may contain
some errors. Also, targets that are not detected by the
radar cannot be acquired or tracked.
Making the final navigation decision based only on the
radar display may cause accidents such as collisions or
running aground.
CAUTION
When a large value is set as an association condition, a
tracked target near an AIS target is identified as the AIS
target and may thus disappear from the display.
For example, when a pilot vessel equipped with the AIS
function (a small target which is not a tracked target)
goes near a cargo vessel which is a tracked target
without the AIS function, the tracked target symbol for
the cargo vessel may disappear.
Target Tracking Function Test is provided to test if the
target tracking function is operating normally. Thus, do
not use the function except when you test the target
tracking function.
Note especially that, if this function is used during actual
navigation, simulated targets are displayed and may
become confused with other actual targets. Therefore,
never use this function during actual navigation.
- ix -
Any adjustments must be made by specialized service
personnel.
Incorrect settings may result in unstable operation.
Do not make any adjustments during navigation. Failure
to comply may result in adverse effects on the radar
function which may lead to accidents or equipment
failure.
When a small value is set as a hysteresis condition, a
tracked target near an AIS target is identified as the AIS
target and may thus disappear from the display.
For example, when a pilot vessel equipped with the AIS
function (a small target which is not a tracked target)
goes near a cargo vessel which is a tracked target
without the AIS function, the tracked target symbol for
the cargo vessel may disappear.
Since these alarms may include some errors depending
on the target tracking conditions, the navigation officer
himself should make the final decision for ship
operations such as collision avoidance.
Making the final navigation decision based only on the
alarm may cause accidents such as collisions.
CAUTION
When setting a automatic acquisition zone, make sure to
properly adjust gain, sea-surface reflection suppression
level, and rain/snow reflection suppression level so that
the optimal target images are always on the radar screen.
The automatic acquisition zone alarm will not be
activated for targets undetected by the radar, and it may
result in accidents such as collisions.
Optimal values have been set for Video Level and Vector
Constant; therefore, never change their values unless
absolutely necessary. Failure to comply may result in
accidents that would lower target tracking performance.
- x -
CAUTION
Do not change the quantization level settings unless
absolutely necessary. If set at an inappropriate value,
the acquisition or tracking function of the target tracking
function (TT) deteriorates, and this may lead to accidents.
Make sure to shut off the main power before replacing
parts. Failure to comply may result in electrocution or
equipment failure.
When replacing magnetrons, make sure to shut off the
main power and let the equipment stand for more than 5
minutes to discharge the high-voltage circuit. Failure to
comply may result in electrocution.
Make sure to take off your watch when your hand must
get close to the magnetron.
Failure to comply may result in damage to the watch
since the magnetron is a strong magnet.
Make sure that two or more staff member work together
when replacing the LCD. If only one person attempts to
replace the LCD, he/she may drop it and become injured.
Do not directly touch the inverter circuit of the LCD
display with a bare hand since high voltage temporarily
remains in the circuit even after the main power is shut
off.
Failure to comply may result in electrocution.
Any adjustments must be made by specialized service
personnel.
Failure to comply may result in accidents or equipment
failure.
- xi -
CAUTION
Never changes or modifications the equipment by user
with not expressly approved method. Otherwise, the party
responsible for compliance could void the user’s
authority to operate the equipment.
This equipment has been tested and found to comply with the
limits for a Class A digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction
manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own
expense.
- xii -
The Mounting Point of the Warning Label
Warning Label
Warning Label
NCD-4380 Radar Process Unit
Front face Back face
NWZ-164 LCD Monitor
- xiii -
NKE-2043 Scanner Unit
NKE-2062 Scanner Unit
Warning Label
NKE-2063A Scanner Unit
- xiv -
NKE-2103-4/6/4HS/6HS Scanner Unit
NKE-2254-7/9 Scanner Unit
Warning Label
Warning Label
This manual suits for next models
15
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