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Summary of Contents for GUIDANCE MARINE RangeGuard
- Page 2 Copyright © 2015 Guidance Marine Limited. All Rights Reserved. Copyright in the whole and every part of this document belongs to Guidance Marine Limited (the 0191 “Owner”) and may not be used, sold, transferred, copied or reproduced in whole or in part in any manner or form or in or on any media to any person other than in accordance with the terms of the Owner’s Agreement or otherwise without the prior written consent of the Owner.”Windows”...
- Page 3 Document History Document Number Changes Issue Date 94-0447-4-A First Release of Rangeguard Operator’s Guide 21/04/2015...
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Page 4: Table Of Contents
Table of Contents Introduction System Overview ...................... 6 Getting Started Start Up and Shut Down ..................8 Start Up.............................. 8 Shut Down ............................8 Screen Layout ......................9 Table View ............................10 Display Options ...................... 12 Selecting/Deselecting Sensors ................13 Measurement Algorithms Selection of Measurement Algorithm .............. -
Page 5: Introduction
8 explains how to get the system up and running and how to shut it down again. It also details what you will see on the RangeGuard Display screen when the system is running, and how to interpret the information. -
Page 6: System Overview
System Overview The RangeGuard system provides object detection and distance measurements using RangeGuard Display - the user interface - is run from a web browser. It is recommended continuous wave radar sensors. These operate on a licence-exempt Short Range that either the user interface supplied by Guidance Marine or else Google Chrome are Device basis at 24.15GHz. -
Page 7: Getting Started
Getting Started This section describes RangeGuard Display and basic use of the system. It contains the following pages: • Start Up and Shut Down (Page 8) • Screen Layout (Page 9) • Display Options (Page 12) -
Page 8: Start Up And Shut Down
2. Double-click on the RangeGuard icon. (Or run the RangeGuard Display application from: Start > All Programs > Guidance RangeGuard > RangeGuard Display). 3. The display will appear in full screen mode, with the Bird’s Eye View open. Shut Down To Close RangeGuard Display Click on the X button in the top right corner of the screen. -
Page 9: Screen Layout
Bird’s Eye View, Table View and Single Sensor View. Bird’s Eye View (BEV) The BEV depicts the operational area of the RangeGuard system from above. By default, the BEV is centred on an image of the vessel and around this it shows a radar beam, range measurement and received signal level for each sensor that has detected an object. -
Page 10: Table View
Screen Layout (Continued) Table View By default, this displays the positional data for all of the currently chosen sensors, in the form of a table. For each sensor this comprises: • Range : The measured distance to the object detected by the sensor. The background of this field is coloured according to the range value: Red for ranges below configured red alarm limit Amber for other ranges below configured amber alarm limit... - Page 11 Screen Layout (Continued) In order to switch to Table View from one of the other views, Alternatively, by clicking on the Expand Spectrum button in the bottom right corner the click on the Table View button in the top right of the display screen: screen is split between positional data and the profile plot: Single Sensor View This is essentially a magnified form of the data in a single row of the Table View, with the...
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Page 12: Display Options
Display Options To provide clear visibility during daytime operation and minimal glare during night shifts, the RangeGuard Display offers two display modes: Day View and Night View. In either mode the brightness can be further modified by brightness adjustment buttons. -
Page 13: Selecting/Deselecting Sensors
Selecting/Deselecting Sensors A RangeGuard system can be run with up to four sensors. The overall sensor count and characteristics of each sensor are configured at installation time in the password-protected RangeGuard Control Panel (see 94-0448-4 RangeGuard Installer’s Guide for details). -
Page 14: Measurement Algorithms
Measurement Algorithms This section describes the different ways that RangeGuard can make measurements. It contains the following pages: It contains the following pages: • Selection of Measurement Algorithm (Page 15) • Setting the Range Limits (Page 16) • Closest Algorithm (Page 17) •... -
Page 15: Selection Of Measurement Algorithm
Selection of Measurement Algorithm There is a measurement algorithm setting for each sensor in the system. It is selected via the buttons above the sensor’s profile plot in Table View or Single Sensor View: The algorithms use different methods of extracting a range measurement from the reflected signal received by the sensor. -
Page 16: Setting The Range Limits
Setting the Range Limits By default, when calculating the range of an object, the system takes into account all reflected signals that it receives. However, it is possible to mask out reflections from the shortest and/or longest ranges, for example to ignore an overhanging feature of the vessel’s own structure. -
Page 17: Closest Algorithm
Closest Algorithm When the Closest algorithm is selected, RangeGuard bases its range measurement on the shortest range peak in the reflected signal, within the Range Limits and above the Signal Threshold. For this algorithm the Signal Threshold is fixed at 20dB above the nominal noise floor. -
Page 18: Manual Threshold Algorithm
Manual Threshold Algorithm When this algorithm is selected, the Signal Threshold is adjustable, instead of being fixed at 20dB. Move the red slider up or down the dB axis to a suitable threshold level: Signal Threshold Measured Range Note that the Manual Threshold algorithm measures the lowest range at which the signal breaks through the threshold, as distinct from the Closest algorithm which uses the lowest- range peak. -
Page 19: Max Peak Algorithm
Max Peak Algorithm With this algorithm no Signal Threshold is applied and the strongest reflected signal within the Range Limits is used for the range measurement, rather than the closest: Measured Range... -
Page 20: Peak Lock Algorithm
Peak Lock Algorithm With this algorithm, you can manually select a peak within the Range Limits that is not necessarily the closest or highest. The system then locks onto it and reports its range. In order to select a peak, move the red slider along the Range axis: Measured Range Peak Picker... -
Page 21: Appendices
Appendices This section contains the following appendices: • System Specifications (Page 22) • FCC Warning Statement (Page 23) • Index (Page 23) -
Page 22: System Specifications
System Specifications Sensor Environmental Transceiver Type Frequency Modulated Continuous Wave (FMCW) Ambient Temperature Range -25 to +55°C Frequency Band 24.05GHz – 24.25GHz (Licence Exempt Short Range Device) Atmospheric Conditions Operates in fog, heavy rain, snow and ice conditions Maximum Power Output <100mW EIRP (EN 300 440 Compliant) Water and Dust Protection IP67 certified... -
Page 23: Fcc Warning Statement
FCC Warning Statement • This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. -
Page 24: Index
Index FCC Warning Statement 23 Hotkey Buttons 12 Overview System 6 Shut Down 8 Side Bar 8 Start Up 8 System Overview 6...
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