jotron Tron SART20 User Manual
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jotron Tron SART20 User Manual

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Tron SART20
Radar Transponder
User Manual

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Summary of Contents for jotron Tron SART20

  • Page 1 Tron SART20 Radar Transponder User Manual...
  • Page 2 This page is intentionally left blank...
  • Page 3 International Telecommunication Union Light Emitting Diode EU Marine Equipment Directive Nautical mile SART Search and Rescue Transponder SOLAS Safety of Life at Sea (An international maritime safety treaty) Very High Frequency jotron.com Doc. No.: 84145 Rev. L Page 3 of 40...

  • Page 4: Table Of Contents

    11 Battery safety information ............34 11.1 Handling and storage ............34 11.1.1 Transportation ............. 34 12 Technical specifications ............. 35 12.1 Product specification ............35 12.2 Radar transponder ............35 jotron.com Doc. No.: 84145 Rev. L Page 4 of 40...
  • Page 5 14.1 Counterfeit spare parts ............. 36 15 Recycling and disposal ............... 36 16 Warranty ..................37 17 Service ..................37 17.1 Service agents ..............37 18 Document revision log ............... 38 jotron.com Doc. No.: 84145 Rev. L Page 5 of 40...

  • Page 6: List Of Figures

    Figure 8 Illustration: Wall bracket dimensions ..........16 Figure 9 Illustration: Tron SART20 mounted in wall bracket ....... 17 Figure 10 Illustration: Placement of Tron SART20 in a wall mount ..... 17 Figure 11 Illustration: Lifeboat bracket disassembled ......... 18 Figure 12 Illustration: Lifeboat bracket dimensions ........

  • Page 7: List Of Tables

    List of Tables Table 1 List of components - lifeboat bracket ..........19 Table 2 Maintenance requirements ............. 29 jotron.com Doc. No.: 84145 Rev. L Page 7 of 40...

  • Page 8: General

    All information contained within this manual has been verified and is to Jotron’s knowledge correct. Jotron reserves the right to make changes to any product(s) or module(s) described herein to improve design, function or reliability without further notice.

  • Page 9: Standards

    Jotron declares that this this product is compliant in accordance with IMO, SOLAS and GMDSS regulations. A copy of the declaration of conformity can be downloaded from jotron.com. The Tron SART20 has been verified, tested and meets the following product standards: Commission Directive Testing standards for international...
  • Page 10 SOLAS (74 amended) This regulation applies to ro-ro Chapter III Regulation 26. passenger ships. Additional requirements SOLAS (74 amended) Required radio communication Chapter IV, Regulation 7.1.3 equipment on mobile offshore units. jotron.com Doc. No.: 84145 Rev. L Page 10 of 40...

  • Page 11: Product Description

    Product description The Tron SART20 is a 9 GHz radar transponder in a sealed waterproof and buoyant enclosure. It is water, oil and sunlight resistant. The Tron SART20 is designed for easy operation and can withstand a drop of 20 meters into water.
  • Page 12 Figure 1 Tron SART20 jotron.com Doc. No.: 84145 Rev. L Page 12 of 40...

  • Page 13: Functional Description

    Functional description Tron SART20 consists of a housing sealed at the lower end with a bottom lid. It may be split into the following main parts: • Transmitter module • Battery module • Bottom lid • LED indicator Figure 2 Illustration: Tron SART20 disassembled Transmitter module Tron SART20 transmitter module is inserted into the Tron SART20 housing.

  • Page 14: Battery Module

    Battery module The battery module consists of two C-size lithium batteries, a battery house and connector and cable. A battery expiry label on the Tron SART20 housing displays the expiry date. A new battery comes complete with cable and connector.

  • Page 15: Bottom Lid

    Only original Jotron batteries can be used with this product. Figure 6 Illustration: Battery module (no cable or connector) Bottom lid The bottom lid includes four items: 1. Lanyard 2. Screen ring 3. Light tower 4. O-ring Figure 7 Illustration: Bottom lid jotron.com...

  • Page 16: Installation

    Lifeboat bracket (with or without a pipe clamp) 7.1.1 Mounting the wall bracket A wall bracket is delivered with the Tron SART20 and should be used for storage of the unit. The bracket should be mounted in a vertical position and placed where the Tron SART20 is easily available in the case of an emergency.
  • Page 17 Figure 9 Illustration: Tron SART20 mounted in wall bracket Figure 10 Illustration: Placement of Tron SART20 in a wall mount jotron.com Doc. No.: 84145 Rev. L Page 17 of 40...

  • Page 18: Mounting A Lifeboat Bracket

    The Tron SART20 must not be permanently stored in this bracket if mounted outside a freefall lifeboat. Move the Tron SART20 to this bracket after the lifeboat is deployed in water. Figure 11 Illustration: Lifeboat bracket disassembled Item Document No.
  • Page 19 Washer, DIN 9021 – Ø6mm Table 1 List of components - lifeboat bracket Use the following dimensions when mounting the lifeboat bracket on a wall. Figure 12 Illustration: Lifeboat bracket dimensions jotron.com Doc. No.: 84145 Rev. L Page 19 of 40...
  • Page 20 Figure 13 Illustration: Mounting - interior/exterior wall The lifeboat bracket fits a pipe with a maximum diameter of 50mm. Figure 14 Illustration: Mounting on a pipe jotron.com Doc. No.: 84145 Rev. L Page 20 of 40...

  • Page 21: Non Bracket Mounting Options

    Figure 15 Illustration: Mounted ready on a pipe Figure 16 Illustration: Placing the Tron SART20 into the lifeboat bracket Non bracket mounting options A Tron SART20 can be mounted on a lifeboat/liferaft without a bracket in several ways, choose one of the following: •...

  • Page 22: Mounting The Lanyard

    7.2.1 Mounting the lanyard The lanyard is stored in the bottom lid and is 10 meters in length. Use the lanyard to tie the Tron SART20 to any object inside the liferaft, where the unit can hang freely. Keep the Tron SART20 away from any metal objects.

  • Page 23: Mounting The Liferaft Mounting Strap

    Figure 17 Illustration: using the lanyard on a lifeboat 7.2.2 Mounting the Liferaft mounting strap A Liferaft mounting strap can also be used to attach the Tron SART20 to an inflatable canopy. To use the Liferaft mounting strap, do the following: 1.
  • Page 24 Make sure the pole is locked by pulling hard when it is fully extended. The pole can be fastened or held by a person. 3. Lift the Tron SART20 up through the tent air tube and secure it. Figure 19 Illustration: Tron SART20 with telescopic pole attached jotron.com Doc.

  • Page 25: Replacing The Battery Module

    Figure 20 Illustration: using the telescopic pole on a lifeboat Replacing the battery module Below describes how to change the battery on the Tron SART20. 7.3.1 Disassembly To disassemble the battery module, do the following: 1. Twist the rubber grip anticlockwise to remove the lid. If difficult, remove the rubber holder over the lid and try again.

  • Page 26: Assembly

    1. Install the new battery, verify the cable is within the guide. 2. Connect the cable to the electronics (black = left & red = right) 3. Add two new 5grams silica gel bags. jotron.com Doc. No.: 84145 Rev. L Page 26 of 40...
  • Page 27 5. Remove old O-ring (using for example a plastic card). Use Vaseline (acid free) and fit a new O-ring in place. 6. Reinstall the lid (tighten by hand), then replace the rubber holder. jotron.com Doc. No.: 84145 Rev. L Page 27 of 40...

  • Page 28: Operation Instructions

    Operation instructions Figure 21 Image: Tron SART20 operating instructions label The Tron SART20 should only be used in an emergency. The battery lasts for 96 hours from activation. Replace the battery if the unit is used for any purpose other than a test.

  • Page 29: Deactivation

    The LED indicator starts to flash every 4 seconds and the unit will also beep. 3. Secure the Tron SART20 to the lifeboat/liferaft in a vertical position and as high as possible. When in range of an active 3cm radar x-band, the internal loudspeaker will activate, and the flash will flash faster.

  • Page 30: Testing

    Testing Although the Tron SART20 does not send an alarm via satellite, VHF or other radio communication, usage should be limited to short tests. This ensures the best battery capacity available for a potential emergency. Do the following steps to test the Tron SART20: The test should be conducted in open sea to avoid interference on the radar display from land echoes.
  • Page 31 Test procedure instructions are also indicated on the product label. Testing of the Tron SART20 is done using the ships own 3 cm X-band radar. Alternatively, a radar or a nearby ship can be used to test the unit. A ship- to-ship VHF channel should then be used to confirm operation.
  • Page 32 “SART” is shown at the bottom of the display. Ensure the SART feature is turned off when SART detection is no longer necessary. Figure 22 Image: Tron SART20 - Test instruction label jotron.com Doc. No.: 84145 Rev. L Page 32 of 40...

  • Page 33: Test And Maintenance Records

    Test and maintenance records Below is an overview of all test and control details. Date B/T* Signature Inspector name *B=New battery, T=Test jotron.com Doc. No.: 84145 Rev. L Page 33 of 40...

  • Page 34: Battery Safety Information

    The safety information is available for download at jotron.com - product. http://jotron.com/product/tron-sart20/. 11.1 Handling and storage This product should be stored in a cool and well-ventilated area. Elevated temperatures can result in a reduction of battery life.

  • Page 35: Technical Specifications

    Forward 7.5 us ±1 us Return 0.4 us ±0.1 us Starts with return sweep Receive sensitivity: Better than -50 dBm e.r.s. Response delay: Max 0.5 us Antenna pattern: Horizontal polarization jotron.com Doc. No.: 84145 Rev. L Page 35 of 40...
  • Page 36 For an overview of the available spare parts for this product, refer to jotron.com. 14.1 Counterfeit spare parts Ensure that all spare parts being fitted to this product are only original spare parts manufactured or approved by Jotron. Any use counterfeit parts will invalidate the product type-approval certificate. Recycling and disposal...
  • Page 37 Service All services such as testing, installation, programming, replacement, marking and battery exchange are provided by an authorized Jotron service agent. Improper service or maintenance may destroy the functionality and/or performance of this product.
  • Page 38 New images – figure 4.1.2b & 4.1.3 (page 14.04.2011 Updated information 29.10.2014 Ms changed to us (page 12) 21.12.2021 Updated content, revised text structure in a new documentation design and layout in accordance with new company profile. jotron.com Doc. No.: 84145 Rev. L Page 38 of 40...
  • Page 39 Doc. No.: 84145 Rev. L Page 39 of 40...
  • Page 40 NORWAY / HEADQUARTERS CHINA Jotron AS Jotron USA, Inc Norway Jotron AS Beijing Ringdalskogen 8 6300 Rothway Street, Suite C Representative Office (ATC business) 3270 Larvik, Norway Houston, TX 77040, USA No. 1204 room, building D Tel: +47 33 13 97 00...

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