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Summary of Contents for Rhotheta RT-400 Basic
- Page 1 User Manual RT-400 Basic...
- Page 2 Direction Finder RHOTHETA RT-400 Basic Edited by: Michael Silva 2023/07/13 [Rev 1.01] RHOTHETA International Inc 8201 Peters Road Suite 1000 Plantation FL 33324 Tel.: +1 (954) 495-8700 Fax: +1 (954) 476-5926 Internet: www.rhothetaint.com E-Mail: info@rhothetaint.com Issue: RHI 2023/07/13 [Rev 1.01] Based on Document-ID: 12-9-1-0020-3-1-60 Copyright ©...
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Page 3: Table Of Contents
Direction Finder RHOTHETA RT-400 Basic Content Legend of Signal Words ....................4 Safety ..........................4 General Safety Information ........................4 Basic Safety Instructions ........................5 Legal Information ......................5 EU Declaration of Conformity ......................... 5 FCC information (USA) regarding the included Wi-Fi module..............6 General Description ...................... -
Page 4: Legend Of Signal Words
2.1 General Safety Information RHOTHETA Elektronik GmbH is constantly updating their safety standards of their products and offer their customers the highest possible level of safety. RHOTHETA products are designed and tested in accordance with valid safety regulations. Compliance with these standards is continuously monitored by a quality assurance system. -
Page 5: Basic Safety Instructions
• The product may only be opened by authorized personnel. The connector must always be disconnected before opening. 3. Legal Information 3.1 EU Declaration of Conformity RHOTHETA Elektronik GmbH hereby declares that the product RT-400 is in compliance with the essential requirements and other relevant provisions of: • Directive 2014/53/EU relating to radio equipment •... -
Page 6: Fcc Information (Usa) Regarding The Included Wi-Fi Module
Direction Finder RHOTHETA RT-400 Basic 3.2 FCC information (USA) regarding the included Wi-Fi module For Wi-Fi connectivity, this product includes an S2W485E-ESP32, Wi-Fi RS-422/485 adapter, compliant with: ETSI EN 300 328 V2.2.2 (2019-07) III. RoHS Part 15C of the FCC Rules, Spread Spectrum Transmitter class... -
Page 7: General Description
Direction Finder RHOTHETA RT-400 Basic 4. General Description The RHOTHETA RT-400 is a precision wideband radio direction finder (RDF) intended primarily for professional SAR (search and rescue), law enforcement, and radio monitoring applications. It is designed to receive, track, and locate transmissions in the VHF/UHF frequency range including 121.5 MHz, 156.8 MHz, 243.0 MHz, COSPAS-SARSAT, and other... -
Page 8: Control Software
Direction Finder RHOTHETA RT-400 Basic 4.2 Control Software DF Scout smartDF DF Commander MK2 DF Scout is an Android software application designed to control the RT-400 RDF via Wi-Fi. All DF information is conveniently displayed over maps, alongside bearing triangulation. See DF Scout user manual for additional information. -
Page 9: Ramptesting The Rt-400 Rdf
A Rhotheta Ramptester kit can be used to check the RT-400 statically. This checkup will allow verification of the status and performance of the RDF, by testing its bearing accuracy and RF sensitivity of the RDF. -
Page 10: Vehicle Configuration
Direction Finder RHOTHETA RT-400 Basic 6. Vehicle Configuration 6.1 Vehicle Installation Installation of the car mounting kit on the vehicle roof may vary depending on the type of railing or luggage rack available. If spring-magnet legs or a custom roof mount is required contact Rhotheta. -
Page 11: Backpack Configuration
Direction Finder RHOTHETA RT-400 Basic 7. Backpack Configuration 7.1 Backpack Transport Position For convenient backpack transportation, the RT-400 can be mounted upside- down on the back frame and secured with two quick clamps. This position's low center of gravity enhances the system's ease of transportation. The Power Pack must be installed on the carrying back frame. -
Page 12: Backpack Deactivation (With Lift)
Direction Finder RHOTHETA RT-400 Basic 8.3 Backpack Deactivation (with Lift) Deactivate the RT-400 backpack by switching OFF the Power Pack. The RT-400 can be lowered to the transport position using the Up/Down switch on the Power Pack. The lift stops automatically if the minimum height is reached. -
Page 13: Battery / Accumulator Replacement And Protection
Direction Finder RHOTHETA RT-400 Basic 9.2 Battery / Accumulator Replacement and Protection The Power Pack operates with an internal 14,4 V NiMH accumulator package. Use a Torx (size TX10) screwdriver to remove the two screws on the back side of the Power Pack. The whole Battery Pack board can be removed from the housing and the accumulator may be replaced. -
Page 14: Electrical Characteristics
Direction Finder RHOTHETA RT-400 Basic 10. Electrical Characteristics System Characteristics Parameter Condition Data DF Method Doppler (3 kHz rotation frequency) Bearing Accuracy 5° RMS Display Resolution 1° Minimum Signal Duration 100 ms 118,000 – 124,000 MHz VHF Air Band 118,000 – 136,992 MHz (Option) 154,000 –... -
Page 15: Frequency Options
Direction Finder RHOTHETA RT-400 Basic System Characteristics Parameter Condition Data Polarization Vertical Multiple scanning and monitoring Scanning functions available Decoding of COSPAS-SARSA- Message: Shows beacon ID, GPS COSPAS-SARSAT position and whole message string Functionality (short and long message) Displays direction and distance ) to beacon. -
Page 16: Environmental And Mechanical Characteristics
Direction Finder RHOTHETA RT-400 Basic Environmental and Mechanical Characteristics Environmental and Mechanical Characteristics Parameter Antenna Unit Power Pack Carrying Frame Car Mounting Kit Weight 5.6 kg 2.3 kg 1.8 kg 5.6 kg Operating -40°C to +60°C -40°C to +60°C -20°C to +55°C -20°C to +80°C...
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