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Remote Observation Support System

DESCRIZIONE

1. DESCRIPTION
The Remote Observation Support System provides a complete ‘off the shelf’ wireless and / or cabled solution for users who require a highly portable rapidly deployed and self-contained remote surveillance capability. The system is capable of exchanging data wirelessly at distances of up to 1000 meters (in ideal weather conditions). The system has been designed for use with traditionally hand-held electro-optical multifunction sensors and consists of a number of interchangeable elements as illustrated below and described in more detail in the following pages. Where appropriate, each element is supplied with a specific padded Cordura® field deployment bag. To ensure trouble free transportation and optimise ease of deployment, the system is packaged in to two hard transit cases, conveniently grouped as Remote Control Set and Observation Set.

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Universal power/comm’s unit and accessories in soft carry case

  • Video & control antenna
  • Battery interface assembly
  • Video and control antenna cables
  • Mains power adapter & cable

Display & control unit and accessories in soft carry case

  • Video & control antenna
  • Battery interface assembly
  • Video and control antenna cables
  • Mains power adapter & cable
  • Vehicle power cable

2. SYSTEM CONNECTIVITY DIAGRAM

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3. SYSTEM ELEMENTS IN MORE DETAIL

3.1 Observation set components

The Motorised Pan and Tilt Unit used in the system is Hornet. The Hornet shares common features with the established range of goniometers and manual pan and tilt heads such as tripod mounting and payload quick release interfaces. As with other of our products, the Hornet is specifically designed to be tripod mounted for use by dismounted personnel in temporary or portable surveillance applications. When deployed, the high accuracy Hornet delivers precise remote control of the mounted sensor line of sight and features encoders in both azimuth and elevation axes for accurate position reporting and enabling the operator to define and playback a dynamic surveillance path. Positions of interest can be saved and recalled with a high level of repeatability. The unit is environmentally sealed and electrical interfacing is provided through a single sealed circular connector.

The Universal Power/Comm’s Unit is deployed and operated from within its deployment bag. The deployment bag has been carefully designed to accommodate system accessories such as antennas, cables and power supply items associated with the Universal Power/Comm’s Unit. Once deployed, the Universal Power/Comm’s Unit provides conditioned power to the Observation Set elements of the system from a wide range of sources including ac Mains within the range 100 - 240V 50 – 60Hz, external dc vehicle power within the range 18 – 32Vdc and independent local rechargeable and enables both wireless and cabled control of the Motorised Pan and Tilt Unit, mounted sensor and the subsequent transmission of video to the operator.

The Tripod used in the system comes from the TriLite family of tripods and has been designed for applications where portability, stability and rapid deployment are of primary importance. The Tripod is of lightweight aluminium construction and is both rugged and compact providing a stable platform on which payloads with compatible tripod interfaces can be quickly and easily mounted. Telescopic leg sections provide a wide operational height range as can be seen in the picture to the right whilst minimising stowed length. Independently adjustable leg angles allow for secure and stable deployment in the most demanding terrain.
Adjustment of leg angle and length is achieved using anti snag clamp levers, while a central ground anchor point and ground pinning capability can be employed to avoid unwanted movement and provide additional stability if required.

The Y-Form Payload Cable provides the cable interface between the Universal Power/Comm’s Unit and the Hornet Motorised Pan & Tilt Unit / mounted sensor.

3.2 Remote control set components

The System Control Cable is intended for use where wireless capability is not required or is inappropriate and serves to provide a direct cable connection between the Display & Control Unit (Remote Control Set side) and Universal Power/Comm’s Unit (Observation Set side). The cable is supplied on a tough thermoplastic cable drum to allow rapid deployment and neat storage and is 25 metres in length. For distances in excess of 25 meters additional cables can be purchased and connected together.

The Display & Control Unit is deployed and operated from within its padded deployment bag. The deployment bag has been carefully designed to accommodate the system accessories such as antennas, cables and power supply items associated with the Display & Control Unit. The lid of the deployment bag has been designed to double as a sun shield and features fold out side screens. The Display & Control Unit has the capability to operate from a wide range of power sources including ac Mains within the range 100 - 240V 50 – 60Hz, external dc vehicle power within the range 18 – 32Vdc and independent local rechargeable batteries and enables both wireless and cabled control of the Motorised Pan and Tilt Unit and mounted sensor and the subsequent display of video to the operator.

Once deployed, the Display & Control Unit allows the operator to control the line of the sight of the system via a full sized joystick and control the mounted sensor parameters using the tactile membrane keypad which mimics the sensor controls. For precise controlled positioning, the joystick response is non-linear, such that greatest sensitivity is achieved when the joystick is near its centre position. Membrane keypad controls next to the joystick adjust overall sensitivity for ultimate precision. Bright, clear images from the mounted sensor are displayed on the 8.4” colour TFT monitor and can be recorded using the integral digital video recorder, which has a 2 hour capacity as standard. To avoid video lag when recording, the real time analogue video signal can be selected for independent display. Both still and moving images can be captured in JPEG and MPEG-2 format for immediate or later review. A rugged USB interface is provided for file upload to an external PC.
Wireless video and control is selected by default until the System Control Cable is connected, then transmission of video and control is automatically transferred to the cable, saving power in cabled mode.
The membrane keypad controls have been designed to be intuitive and are arranged in to four functional groups, distributed in five control panel areas. A discreet mode button enables the operator to instantly turn off all sources of illumination from the membrane keypad and display to avoid possible visual detection. The specific functions of the membrane keypad controls are described in the control functions table over page.
All keys feature an illuminated status indicator.

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CONTROL FUNCTIONS TABLE

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3.3 Common system accessories
The Video & Control Antenna is a specially developed compact combined video and control signal antenna.
These units contain a compact patch antenna with a commensurate level of directionality for the video signal and a whip antenna for the control channel. The combination serial/video antennae are designed to be as small and unobtrusive as possible and are mounted on the Antenna Stand.
The Antenna Stand is a simple height-adjustable stand with used to position and support the Video & Control Antennae. The stand is finished in a black epoxy powder coat paint finish.
The Battery Interface Assembly provides a simple reliable connection between the integral battery packs and the Universal Power/Comm’s Unit / Display & Control Unit. Each Battery Interface Assembly features a MIL-STD-D38999 connector for connection to either the Universal Power/Comm’s Unit or Display & Control Unit.
The Control & Video Antenna Cables carry the radio frequency control or video signal to the antennae from either the Universal Power/Comm’s Unit or Display & Control Unit. The cables feature BNC (control) or TNC (video) connections and are each three meters in length.

The Mains Power Adapter & Cables allow the Universal Power/Comm’s Unit and Display & Control Unit to be powered from an ac mains supply. It features an integrated IP67 sealed universal mains supply, terminated with a military specification circular connector and a moulded European standard mains plug.
The Vehicle Power Cables allow the Universal Power/Comm’s Unit and Display & Control Unit to be powered from a vehicle onboard power network.

4. OUTLINE SPECIFICATION

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