JRC JMA-5212-4/6 Manuel utilisateur

MARINE RADAR

EQUIPMENT

INSTRUCTION

MANUAL

JMA-5212-4/6

JMA-5222-7/9

JMA-5212-4HS/6HS

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ٟٟٟ

PRECAUTIONS BEFORE OPERATION

ٟٟٟ

Cautions for high voltage

High voltages from hundreds volts to tens of thousands volts are to be applied to the electronic

equipment such radio and radar devices. You do not face any danger during normal operation,

but sufficient cares are required for maintenance, inspection and adjustment of their internal

components. (Maintenance, check-up and adjustment of the inside of the equipment are prohibited

except by maintenance specialists.)

High voltages of tens of thousands volts are so dangerous as to bring an instantaneous death from

electric shock, but even voltages of hundred volts may sometimes lead to a death from electric

shock. To prevent such an accident, make it a rule to turn off the power switch, discharge

capacitors with a wire surely earthed on an end make sure that internal parts are no longer charged

before you touch any parts inside these devices. At the time, wearing dry cotton gloves ensures

you further to prevent such danger. It is also a necessary caution to put one of your hands in the

pocket and not to use your both hands at the same time.

It is also important to select a stable foothold always to prevent additional injuries once you were

shocked by electricity. If you were injured from electric shock, disinfect the burn sufficiently

and get it taken care of promptly.

What to do in case of electric shock

When finding a victim of electric shock, turn off the power source and earth the circuit

immediately.

If it is impossible to turn off the circuit, move the victim away promptly using insulators such as

dry wood plate and cloth without touching the victim directly.

In case of electric shock, breathing may stop suddenly if current flows to the respiration center in

the brain. If the shock is not so strong, artificial respiration may recover breathing. When

shocked by electricity, the victim will come to look very bad with weak pulse or without beating,

resulting in unconsciousness and rigidity. In this case, it is necessary to perform an emergency

measure immediately.

ٟٟٟ

FIRST-AID TREATMENTS

ٟٟٟ

First-aid treatments

As far as the victim of electric shock is not in dangerous condition, do not move him and practice

artificial respiration on him immediately. Once started, it should be continued rhythmically.

(1) Do not touch the victim confusedly as a result of the accident, but the rescuer may also get an

electric shock.

(2) Turn off the power source calmly and move the victim away quietly from the electric line.

(3) Call a physician or ambulance immediately or ask someone to call a doctor.

(4) Lay the victim on this back and loosen his necktie, clothes, belt, etc.

(5) a. Examine the victim’s pulse.

b. Examine his heartbeat bringing your ear close to his heart.

c. Examine his breathing bringing the back of your hand or your face close to his face.

d. Check the size of the pupils of his eyes.

(6) Open the victim’s mouth and take out artificial teeth, cigarette or chewing gum if any. Keep

his mouth open, stretch his tongue and insert a towel or the like in his mouth to prevent the

tongue from suffocating. (If it is hard to open his mouth due to set teeth, open it with a

screwdriver and insert a towel in this mouth.)

(7) Then, wipe his mouth so that foaming mucus does not accumulate inside.

When pulse is beating but breathing has stopped

(Mouth-to-mouth respiration) Fig. 1

(1) Tilt the victim’s head back as far as this face looks back. (A pillow may be inserted his neck.)

(2) Push his jaw upward to open his throat wide (to spread his airway).

(3) Pinch the victim’s nostrils and take a deep breath, block his mouth completely with yours and

blow into his mouth strongly. Take a deep breath again and blow into his mouth.

Continue this 10 to 15 times a minutes (blocking his nostrils).

(4) Carefully watch that he has recovered his natural breathing and atop practicing artificial

respiration.

(5) If it is difficult to open the victim’s mouth, insert a rubber or vinyl tube into one of his

nostrils and blow into it blocking the other nostril and his mouth completely.

(6) When the victim recovers consciousness, he may try to stand up suddenly, but let him lie

calmly and serve him with a cup of hot coffee or tea and keep him warm and quiet. (Never

give him alcoholic drinks.)

Method of mouth-to-mouth respiration by raising head

(1) Raise the victim’s head. Support his

forehead with one of your hand and his

neck with the other hand. oM

When you tilt his head backward, the

victim, in most cases, opens his mouth to

the air. This makes mouth-to mouth

respiration easy.

(2) Cover his mouth as widely as possible with

yours and press your cheek against his nose

or, pinch his nostrils with your fingers to

prevent air from leaking. oO

(3) Blow into his lungs. Continue blowing

into his mouth until his breast swells.

Blow into his mouth as quickly as possible

for the first 10 times.

Fig. 1 Mouth-to mouth respiration

When both pulse and breathing have stopped

Perform the (Cardiac massage) Fig. 2 and (Mouth-to-mouth respiration) Fig. 1

When no pulse has come not to be felt, his pupils are open and no heartbeat is heard, cardiac arrest

is supposed to have occurred and artificial respiration must be performed.

(1) Place your both hands, one hand on the other, on the lower one third area of his breastbone

and compress his breast with your elbows applying your weight on his breast so that it is

dented about 2cm (Repeat compressing his breast 50 times or so a minutes). (Cardiac

massage)

(2) In case of one rescuer,

Repeat cardiac massages about 15 times and blow into his mouth 2 times quickly, and repeat

this combination.

In case of two rescuers,

One person repeats cardiac massages 15 times while the other person blow into his mouth

twice, and they shall repeat this combination. (Perform the cardiac massage and

mouth-to-mouth respiration)

(3) Examine his pupils and his pulse sometimes. When the both have returned to normal, stop

the artificial respiration, serve him with a cup of hot coffee or tea and keep him warm and

calm while watching him carefully. Commit the victim to a medical specialist depending on

his condition. (Never give him alcoholic drinks.) To let him recover from the mental shock, it

is necessary for persons concerned to understand his situations and the necessary treatment.

Fig. 2 Cardiac massage

- i -

PREFACE

Thank you very much for purchasing the JRC marine radar equipment, JMA-5200M2 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.

٨ Before operating the equipment, be sure to read this instruction manual carefully for correct operation.

٨ Maintain this instruction manual so that operators can refer to it at anytime.

Refer to this manual when any inconvenience or defect occurs.

- ii -

Before Operation

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 Umark 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

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 zmark 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 -

PRECAUTIONS٨

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 -

WARNING

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.

Microwave radiation level of the antenna

Make sure to stay away from the microwave-radiating

antenna during transmission at least by the distances

indicated below. If the distance between you and the

front-center of the antenna is shorter than the distances

indicated below, exposure to microwave may result in

physical injuries (damage to the eye in particular).

NKE-2103 ( radio-density : 10 W/m2): 0.6 m

NKE-2254 ( radio-density : 10 W/m2): 0.6 m

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.

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