Jotron AS TRONSART20 Users Manual

84145_UM_ SART20_B 1

EC Declaration of Conformity, available at www.jotron.com

Abbreviations and definitions

EMC

Electromagnetic Compatibility

LED
Light Emitting Diode

PWB
Printed Wire Board

RF

Radio Frequency

SART

Search and Rescue Transponder

VHF
Very High Frequency

2 84145_UM_ SART20_ B

AMENDMENT

NO.

1 ES 14.09.07 Total: 24 A New product

Amendment Record

INCORP.

BY

DATE PAGE(S) VERSION

REASON FOR
CHANGE

2 ES 02.04.08 10, 15 B Added text
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84145_UM_ SART20_B 3

The information in this book has been carefully checked and is believed to

be accurate. However, no responsibility is assumed for inaccuracies.

CAUTION!

This equipment contains CMOS integrated circuits. Observe handling

precautions to avoid static discharge which may damage these devices.

Jotron AS reserves the right to make changes without further notice to any

products or modules described herein to improve reliability, function or

design. Jotron AS does not assume any liability arising out of the application

or use of the described product.

Jotron AS is a prime manufacturer of safety equipment designed for rescue of human lives and
their property. For safety equipment to be effective in line with the design parameters it is
important that they are handled, stowed and maintained in compliance with the manufacturers
instructions. Jotron AS cannot be held responsible for any damage caused due to incorrect use of
the equipment or breach of laid down procedures or for failure of any specific component or other
parts of the equipment.
The chapter covering battery replacement (6.2.1) is added for information only. Jotron AS does not
take any responsibility for improper disassembling/assembling of the beacon. We strongly
recommend all service to be done by authorized Jotron agents. In addition to normal service, Jotron
agents have the necessary equipment and knowledge to test the operational functions of the beacon.
Non-original maintenance and/or service parts may destroy the equipment function and
performance.

4 84145_UM_ SART20_ B

TABLE OF CONTENTS

1 GENERAL DESCRIPTION

1.1 TRON SART20 FEATURES

2 TECHNICAL SPECIFICATIONS

2.1 ELECTRICAL SPECIFICATIONS

2.2 MECHANICAL SPECIFICATION

3 FUNCTIONAL DESCRIPTION

3.1 GENERAL

3.1.1

3.1.2

3.1.3

4 INSTALLATION

4.1 BRACKETS

4.1.1

4.1.2

4.2 USING THE TELESCOPIC POLE

4.3 USING THE 10M ROPE

5 OPERATING INSTRUCTIONS

5.1 ACTIVATING TRON SART20

5.2 DEACTIVATING TRON SART20

5.3 TEST OF TRON SART20

6 MAINTENANCE AND TROUBLESHOOTING

6.1 MAINTENANCE

6.2 SERVICE

6.2.1

6.2.2

6.2.3

6.2.4

6.2.5

7 SERVICE AGENTS

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Tron SART20 electronic assembly
Battery module
Bottom lid

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Wall bracket
Lifeboat bracket

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REPLACING THE BATTERY MODULE
BATTERY DISPOSAL
INCINERATION
LAND FILLING
RECYCLING

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84145_UM_ SART20_B 5

BATTERY SAFETY DATA SHEET

(Form: EEC directive 91/155)

(2) SAFETY ADVICE

S2 Keep out of reach of children.
S8 Keep container dry.
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S43 In case of fire, use D type extinguishers. Never use water.
S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label

where possible).

(3) FIRST AID MEASURES

In case of contact of cell contents with eyes, flush immediately with water for 15 min. With skin, wash
with plenty of water and take off contaminated clothes. If inhaled, remove from exposure, give oxygen,
and seek medical advice.

(4) FIRE-FIGHTING MEASURES
Extinguishing media

Suitable: Type D fire extinguishers
Not to be used: Water - CO2 - Halon, dry chemical or foam extinguishers

Special exposure hazards
Generation of chlorine, sulphur dioxide, disulphur dichloride during
thermal decomposition.

Special protective equipment

Use protective working boots, rubber apron and safety glasses with side shields.

6 84145_UM_ SART20_ B

1

GENERAL DESCRIPTION

Tron SART20 is emergency equipment consisting of:

1. Tron SART20 radar transponder.

2. Mounting rope for life rafts / life boats.

The 9 GHz radar transponder type Tron SART20 is developed by Jotron AS to meet
the rules and regulations for use on vessels and life rafts in the maritime service.
Tron SART20 meets the specifications for 9 GHz radar transponders for use in search
and rescue operations at sea.

The operating range of the Tron SART20 is up to 30 nautical mi l es, depe n din g on the
height of the electronic unit and the radar height of the search and rescue unit (sea or
airborne).
With a radar height of 20m and the Tron SART20 placed at 1m above sea level, the
range will be up to 10 nautical miles.

Tron SART20 is buoyant, however to obtain maximum performance the transponder
should be placed in a vertical position and as high up as possible in order to achieve
maximum coverage.

Several mounting brackets and mounting aids are available to ensure correct
mounting and use of the radar transponder.

The purpose of the Tron SART20 is to perform a secondary alarm when search and
rescue units are searching for a life raft / lifeboat in distress. The Tron SART20 will
help the units to pinpoint exactly where the distressed boat is located in a larger area.
This is done with the help of the radar on the searching ship or helicopter.
When the Tron SART20 is interrogated (hit) by a radar signal, it will immediately
start to transmit a number of sweeps covering the complete maritime 3 cm radar
band.
These sweeps are detected on the radar screen and are used to navigate directly
towards the distressed life raft, for details on radar display see chapter Feil! Fant
ikke referansekilden..

84145_UM_ SART20_B 7

Maximum distance to a ship will normally be about 10 nm and approximately 30nm
to a helicopter, dependent on the helicopters altitude. The transponder will not give
any alarms further away than this.

The primary alarm will usually be an Emergency Position Indicating Radio Beacon

(EPIRB) or distress call on VHF / HF - manual or via digital selcall.

The Tron SART20 should be activated immediately after activation of the EPIRB
or by instruction from the rescue control centre.

The batteries of the Tron SART20 will last at least 96 hours in standby after
activation and then minimum 8 hours of continuous operation.

Although the transponder does not send any alarm via satellite, VHF or other radio
communication, the use should be limited to short tests and emergency situations.
This is to save battery capacity in case of a situation where the transponder is needed.

1.1 Tron SART20 features

Watertight:

Tron SART20 is watertight to a depth of minimum 1 meter.

Buoyant:

Tron SART20 is buoyant in case the transponder is accidentally dropped into the
water. To increase coverage the SART20 should always be held or mounted as high
as possible.

Rugged design:

The Tron SART20 will withstand a drop from 20 meters into the water. It is resistant
to seawater, oil and sunlight.

Handling:

Tron SART20 is designed for easy operation, with a brief operating instruction
printed on the unit. It comes standard with a 10 meter rope and a shackle hook to be
used for hanging the SART20 on the inside of a life raft.

8 84145_UM_ SART20_ B