User Manual RT-400
Direction Finder RHOTHETA RT-400 Edited by: RHOTHETA Elektronik GmbH Kemmelpark Dr.-Ingeborg-Haeckel-Str. 2 82418 Murnau Germany Tel.: Fax: +49 8841 4879 - 0 +49 8841 4879 - 15 Internet: E-Mail: www.rhotheta.de email@rhotheta.de Copyright © RHOTHETA Elektronik GmbH All rights reserved - Issue: 2020/02/11 [Rev 1.04] - Document-ID: 12-9-1-0020-3-1-60 Note The manufacturer reserves the right to make modifications at any time and without previous information of the here described product.
Direction Finder RHOTHETA RT-400 Content 1 Legend of Signal Words .................................................................................................. 5 2 Safety ................................................................................................................................ 5 3 2.1 General Safety Information .....................................................................................................................5 2.2 Basic Safety Instructions ..............
Direction Finder RHOTHETA RT-400 12 Notes ...............................................................................................................................
Direction Finder RHOTHETA RT-400 1 Legend of Signal Words Note This symbol designates tips or additional notes that must be paid attention to and that make work easier. Caution means that ignoring the instructions may lead to property damage or loss of data. Warning means that upon ignoring the instructions, there may be a danger to health or life. 2 Safety 2.
Direction Finder RHOTHETA RT-400 2.2 Basic Safety Instructions Caution / Warning Read and observe the following instructions, warnings and safety instructions of the manufacturer! • During all work, the local and national safety and accident prevention regulations must be observed. • When installing or operating the product always follow the manufacturer's instructions. • Always place the product on appropriate locations.
Direction Finder RHOTHETA RT-400 Note RT-400 AU has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
Direction Finder RHOTHETA RT-400 3.4 ISED Information (Canada) This device contains license-exempt transmitter(s) / receiver(s) that comply with Innovation, Science and Economic Development Canada’s license-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device.
Direction Finder RHOTHETA RT-400 4 General Description The RHOTHETA direction finder system RT-400 is designed to receive and locate emergency signals and special application signals on the international distress and application specific frequencies in the VHF / UHF frequency range. The system consists of an RT-400 Antenna Unit (AU), which is designed light and robust for typical portable use, a RT-400 Carrying Frame, a RT-400 Power Pack, and the control software RT-400 DF Scout.
Direction Finder RHOTHETA RT-400 Connect the power cable from the Power Pack rack of the carrying frame to the connector at the bottom of the antenna mast. 5.3 Activation and use of the Antenna Unit The system is activated by toggling the POWER switch on the Power Pack to the ON position. Details on how to use the Tablet Software (RT-400 DF Scout) can be found in the RT-400 DF Scout User Manual. 5.
Direction Finder RHOTHETA RT-400 7 Mobile Use 7.1 Car Installation and Transport Position of the Antenna Unit The optional RT-400 Car Mounting Kit must be installed on the roof railing of the car first. The car mounting kit is prepared to be attached on standard roof luggage racks using tapped Theads Note Mounting technology might vary for some roof luggage racks. In the next step, fix the RT-400 Antenna Unit using the quick clamp.
Direction Finder RHOTHETA RT-400 8 Service and Maintenance of the RT-400 Power Pack 8.1 Installation of the Power Pack The power pack can be plugged into, and removed from, the power pack rack of the carrying frame. The power pack must be plugged into its rack as shown in the pictures above. As soon as the power pack is locked by the locking spring, it is automatically connected to the backward connector on the carrying frame and ready for use.
Direction Finder RHOTHETA RT-400 8.3 Charging Accumulators Connecting the RT-400 Battery Charger directly to the Power Pack, instead of the Antenna Unit using the Power Cable, allows charging the accumulators. Charging is done automatically, so no further user interaction is required.
Direction Finder RHOTHETA RT-400 9 Technical Data 9.1 Electrical Characteristics System Characteristics Parameter Condition Data DF Method - Doppler (3 kHz rotation frequency) Bearing Accuracy 5° RMS 1 Display Resolution 1° Minimum Signal Duration 100 ms VHF Air Band Marine Band Frequency Range Receive Frequency Tuning Steps Bearing Sensitivity Continuous signal RHOTHETA UHF Air Band 118.000 – 124.000 MHz 118.000 – 136.992 MHz (Option) 154.000 – 163.000 MHz 137.000 – 224.
Direction Finder RHOTHETA RT-400 System Characteristics Parameter Condition Data Bearable Types of Modulation A3E, F3E, A3X (distress signal modulation) Polarization Vertical Multiple scanning and monitoring functions available Decoding of COSPAS-SARSAMessage: Shows beacon ID, GPS position2) and whole message string (short and long message) Displays direction and distance2) to beacon.
Direction Finder RHOTHETA RT-400 9.3 Environmental and Mechanical Characteristics Typical Mechanical and Environmental Characteristics Parameter Carrying Frame 1) Antenna Unit Power Pack Car Mounting Kit2) Weight 5.6 kg 2.3 kg 1.8 kg 5.6 kg Operating Temperature -40°C to +60°C -40°C to +60°C -20°C to +55°C 3) Storage Temperature -55°C to +80°C -20°C to +50°C 4) Ingress Protection IP 67 IP 67 ∅ 270 mm x 185 mm Approx. W x H x D: 111 mm x 45 mm x 320 mm Dimensions Approx.
Direction Finder RHOTHETA RT-400 10 Disposal within the European Union Product Recycling Product labeling in accordance with EN 50419 At the end of the life of the product, this product may not be disposed of with normal household waste. Even disposal via the municipal collection points for electrical and electronic equipment is not allowed.
Direction Finder RHOTHETA RT-400 12 Notes RHOTHETA Page 18 of 18 User Manual
