V5 System 2000 MTU/MTU-A User Guide
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PHOENIX GEOPHYSICS V5 System 2000 MTU/MTU-A User Guide Version 2.0 April 2010 Instrument firmware version 3112F PHOENIX GEOPHYSICS V5 System 2000 MTU/MTU-A User Guide Version 2.0 April 2010 Instrument firmware version 3112F Printed in Canada on water resistant Xerox® Polyester Paper. This User Guide was created in Adobe FrameMaker 7.0. Writing and Production: Stuart Rogers. Copyright 2010 Phoenix Geophysics Limited. All rights reserved. No part of this Guide may be reproduced or transmitted in any form or by any means electronic or mechanical, including photocopying, recording, or information storage and retrieval system, without permission in writing from the publisher. Address requests for permission to: Phoenix Geophysics Limited, 3781 Victoria Park Avenue, Unit 3, Toronto, ON Canada M1W 3K5, or [email protected]. Information in this document is subject to change without notice. V5 System 2000, SSMT2000 and the Phoenix logo are trademarks of Phoenix Geophysics Limited. Palm OS is a trademark of Palm, Inc. CompactFlash is a trademark of SanDisk Corporation. Windows is a trademark of Microsoft Corporation. Contents Chapter 1: Overview . 1 Introduction to the Phoenix SSMT 2000 Setting up the survey sites . .12 System . 2 Form a 3-person crew . 12 Keep records throughout . 13 System applications . 2 Conduct an inventory and inspection . 13 Phoenix System 2000 advantages . 3 Verify the location . 13 Determine the centre and place the MTU⁄MTU-A . 13 AMT and MT techniques . 5 Set up the telluric lines . 14 Duration of soundings. 5 Adjust for E-line difficulties . 15 Local, Remote, and Far Remote stations . 6 Set up the magnetic sensors . 17 Telluric vs. magnetic deployments . 6 Adjust for sensor difficulties . 20 Station spacing guidelines . 7 Measure and record electrode resistance and Overall station spacing . 7 dipole voltages. 20 Magnetic vs. telluric-only station spacing . 8 Start up and verify operation of the MTU⁄MTU-A . 21 Protect the equipment. 22 Steps in a typical survey. 9 Complete the layout sheet . 22 Planning . 10 Acquire data . 22 Choose the sites . 10 Retrieve the equipment. 22 Allocate and schedule the equipment. 11 Processing the data . .23 Obtain permissions. 11 Exporting and interpreting the data . .23 Create a standard set of parameters. 11 Calibrating the equipment . 12 i Contents i ii Contents ii Ensuring quality data. 24 Survey requirements . .26 Storage and handling . 24 Maintenance . 24 Operations . 25 Chapter 2: Field operations . 27 General techniques. 28 Satellite lock . 42 Handling locking-ring connectors . 28 Clock status. 43 Instrument mode . 43 Connecting a PC. 30 Summary of complete sequence . 44 Connecting the GPS antenna . 31 Examples . 45 Connecting electrodes . 32 Using the new indication sequence. .49 Connecting sensors . 33 Installing and removing the CompactFlash card . 34 Programming and monitoring an Connecting the battery . 36 MTU⁄MTU-A . .50 Understanding LED indications. 37 Calibrating the equipment . .50 Original indication sequence . 38 Calibrating the MTU⁄MTU-A . .51 System startup . 38 Calibrating coil sensors. .53 Initial satellite lock. 38 Calibrating air-loop sensors. .58 During data acquisition . 39 Interpreting calibration results . .62 After data acquisition . 40 New indication sequence . 40 Setting up a survey site . .62 System startup and shutdown. 40 Verifying your location . .63 Instrument status . 40 Choosing the site centre . .63 System error . 42 Setting up telluric dipoles (E-lines) . 64 Setting up the MTU⁄MTU-A instrument. .79 Installing porous pot electrodes . 65 Powering up the MTU⁄MTU-A and acquiring data . .79 Connecting electrodes to the MTU⁄MTU-A . 68 Retrieving the equipment . .81 Measuring electrical characteristics. 68 Shutting down the MTU⁄MTU-A . .82 Remeasuring electrical characteristics . .82 Setting up magnetic sensors . 71 Collecting the equipment . .83 Choosing sensor locations . 71 Installing coil sensors . 71 Charging the batteries . .83 Installing an air-loop sensor . 76 Connecting the sensors to the MTU⁄MTU-A . 77 Chapter 3: Programming an MTU using WinHost and WinTabEd . 85 WinHost and WinTabEd. 86 Setting the number of channels (WinTabEd) . .90 Starting the programs . 86 Setting gain parameters. .90 Entering Setup mode (WinHost) . 87 Determining the number of saturated records . .91 Loading an existing parameter file . 88 Setting filter parameters . .92 Loading a parameter file (WinTabEd) . 88 Setting the low pass filter . .92 Loading a parameter file (WinHost) . 88 Setting the power line filter. .94 Setting Record mode (WinTabEd) . 89 iii Contents iii iv Contents iv Setting the North Reference . 94 Setting power status after acquisition. .104 Setting magnetic declination . 95 Saving the parameters . .104 Setting coupling parameters . 95 Changing operational mode (WinHost) . .105 Setting site parameters . 96 Measuring electrode resistance . .106 Completing the text fields . 96 Site name . 96 Monitoring the MTU during acquisition File name . 97 (WinHost) . .107 Company . 97 Survey ID . 97 Working with files (WinHost) . .108 Azimuths and Dipole Lengths . 97 Managing files on the internal CF card . .110 Sensor identification. 97 “Phantom” calibration files . .110 Setting acquisition times . 98 Internal data files . .110 When to include dates . 98 Automatic clearing of dates in Start Time and End Time Upgrading instrument firmware (WinHost) . 99 (WinHost) . .111 Setting sampling parameters . 100 Preparing to upgrade . .111 Frequency bands, sampling rates, and sample interval . 100 Performing the upgrade . .112 Sampling schedule. 102 Verifying the upgrade . .114 Storage space required . 103 Testing the instrument . .115 Chapter 4: Programming an MTU-A using WinHost and WinTabEd . 117 Differences between MT and AMT . 118 Setting gain parameters. .124 WinTabEd.