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Summary of Contents for Rhotheta RT-600 Light
- Page 1 User Manual RT-600 Light...
- Page 2 Direction Finder RHOTHETA RT-600 Light Edited by: RHOTHETA Elektronik GmbH Dr.-Ingeborg-Haeckel-Str. 2 82418 Murnau Germany Tel.: +49 8841 4879 - 0 Fax: +49 8841 4879 - 15 Internet: www.rhotheta.de E-Mail: email@rhotheta.de Copyright RHOTHETA Elektronik GmbH All rights reserved Issue: [2017/12/08] [Rev 1.00] Document-ID: 12-9-1-0021-3-1-60 LoJack is a registered trademark of LoJack Corporation.
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Page 3: Table Of Contents
Direction Finder RHOTHETA RT-600 Light Index 1 LEGEND OF SIGNAL WORDS ......................... 5 2 SAFETY................................5 2.1 General Safety Information ......................... 5 2.2 Basic Safety Instructions ..........................6 3 GENERAL INFORMATION ..........................7 4 INSTALLATION ..............................8 4.1 Antenna unit ..............................8 4.2 Influence of antenna location and environment on the bearing accuracy ........... - Page 4 Mechanical Drawing (all dimensions in [mm]) ..............18 Reference Documents Document-ID Document Title Editor Interface Specification for Antenna Units 12-9-4-5-00002-2 [Rev 1.00] RHOTHETA (RT-500-M RT-600 RT-800) The reference document is issued from RHOTHETA separately on request. RHOTHETA Page 4 of 22 User Manual...
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Page 5: Legend Of Signal Words
The manufacturer is not liable beyond the scope of legal rules! This guide is part of the product RT-600 Light and is retained throughout the lifetime and to pass with the product. For the reasons explained in 6.3 “Tracking in the 216 to 220 MHz band” RHOTHETA does not offer - and is not to be held responsible for - any guaranteed minimum range or distance to a transmitter in this band. -
Page 6: Basic Safety Instructions
Direction Finder RHOTHETA RT-600 Light 2.2 Basic Safety Instructions Caution / Warning Read and observe the following instructions, warnings and safety instructions of the manufacturer! • At all work, the local or national safety and accident prevention regulations must be observed. -
Page 7: General Information
The system is based on the proven and reliable RT-600 system for manned aircraft, which was designed for usage in harsh conditions, mounted on aircraft or vehicles. The excellent performance of the RT-600 Light is possible due to our revolutionary patented wide band antenna and it’s sophisticated bearing analyzing algorithms, which deliver quick and steady information. -
Page 8: Installation
Direction Finder RHOTHETA RT-600 Light 4 Installation 4.1 Antenna unit A convenient position of the monopole bearing antenna is crucial for good bearing results. The antenna needs an effective ground connection to the body of the aircraft or to the roof of the vehicle. If there is no metallic mounting surface available, a metallic sheet or similar (e.g. -
Page 9: Influence Of Antenna Location And Environment On The Bearing Accuracy
Direction Finder RHOTHETA RT-600 Light 4.2 Influence of antenna location and environment on the bearing accuracy The bearing accuracy of the direction finder antenna unit is severely influenced (comparable to an airspeed sensor) by the environment. For comparison, a perfect high quality speed sensor will not indicate the true airspeed, if this sensor is interfered by strong turbulences. -
Page 10: Configuration
5.2 Offset of Bearing The RT-600 Light has to be mounted on the aircraft in the way that, the 0° - marker ("North"-marker) is on the longitudinal axis of the aircraft and points in the flight direction. If the antenna cannot be mounted (for different reasons) in such way, the deviation correction has to be done via the setting of the appropriate byte in the interface data protocol (please s. -
Page 11: Operation
1. Bearing Standard Direction Finder Mode This is the standard mode of operation. To ensure the main function of the RT-600 Light (the bearing) the frequency and the squelch settings have to be done. To operate the direction finder in this mode the appropriate data byte of the interface data protocol has to be set (detailed information about squelch s. -
Page 12: Squelch
11. AU Info & Auto Error Send Mode The RT-600 Light always waits for an incoming data stream message from the Control Unit (Master). If there is no data available (timeout after 500 ms, or data inconsistent) then the Antenna Unit switches to auto send mode and sends automatically without request from Control Unit the auto send data protocol. -
Page 13: Frequency Band
ELT transmission with a continuous signal and still well-suited for ELTs with intermittent transmission (down to 33%). In cases where the RT-600 Light checks signal validity autonomously and without useful possibilities of user interaction, user interaction is not possible and the squelch purely follows internal rules appropriate to the type of signal received. -
Page 14: Tracking In The 216 To 220 Mhz Band (Only Available With Version Le)
For the reasons explained above, and even though the RT-600 Light features top performance in its class, RHOTHETA does not offer - and is not to be held responsible for - any guaranteed minimum range or distance to a transmitter in this band. -
Page 15: Technical Data
Direction Finder RHOTHETA RT-600 Light 7 Technical Data 7.1 Electric features Method of bearing: Doppler-principle (3 kHz rotational frequency, right / left rotation) Bearing accuracy ± 5° RMS Internal resolution: 1° Bearing Sensitivity: VHF Air/Emergency: ≤ 4 µV / m... - Page 16 Direction Finder RHOTHETA RT-600 Light Special scanning Complete maritime ship band scanning within 3 s modes: Bearable modulation: A3E, F3E, A3X (ELT-modulation), F1D, G2D, COSPAS-SARSAT Bearing largely independent of modulation Polarization: Vertical Polarization error : ≤ 5° at 60° field vector rotation Garbling cone: Ca.
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Page 17: Interface
Direction Finder RHOTHETA RT-600 Light 7.2 Interface External connection (Amphenol Connector, 6-pol. Amphenol plug, female, PTG06SE10-6S(SQ)) Fig 4) Connector Amphenol (PT07GS1) RS-485 (9600 baud, 8 data bits, 1 stop bit, no parity, LSB sent first): Serial data connection Antenna Unit to DCU or any other Control Unit. -
Page 18: Mechanical Features
Direction Finder RHOTHETA RT-600 Light 7.3 Mechanical features Temperature range: • permissible operating temperature -40 °C ... +60 °C • permissible storage temperature: -55 °C ... +80 °C Protective system: IP 67 Weight: ca. 1300 g Dimensions: ∅270 mm x 182,4 mm... -
Page 20: Appendix
Direction Finder RHOTHETA RT-600 Light 9 Appendix 9.1 Frequency Ranges RHOTHETA Page 20 of 22 User Manual... -
Page 21: Frequencies Of Channels On Maritime Band
Direction Finder RHOTHETA RT-600 Light 9.2 Frequencies of channels on maritime band (only for standard [A] version) Frequency-range of the RT-600 Light in the maritime band: 156.000 MHz ... 162.025 MHz Channel No. frequency (ship - station) Frequency (coast - station) -
Page 22: Notes
Direction Finder RHOTHETA RT-600 Light 10 Notes RHOTHETA Page 22 of 22 User Manual...
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