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Summary of Contents for Geometrics MagEx
- Page 1 Quick Start Guide MagEx Portable Magnetometer P/N 770-00112-01 Volume 1- Rev. 1 December 2022 COPYRIGHT © 2022...
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Page 2: Table Of Contents
13.0 Exporting your Data ....................... 14 This guide is meant to be a quick reference for starting out with your MagEx. We recommend reading the user guide before performing a survey. More information can also be accessed in our online Help menu available in the Survey Manager software. -
Page 3: What's In The Box
Figure 1-1 – Standard MagEx system in the box Battery The MagEx system comes with two batteries, each providing approximately 5 hours of battery life between charges. It is recommended users install both batteries prior to the surveys. The battery compartment is located under the green cover on the rear portion of the instrument. -
Page 4: Powering On/Off
then push up slightly while swinging the door shut. You will feel the cap click into place to assure you that the door is closed. Figure 2-1 – Battery connectors USB and SD card locations Important: The battery connector and voltage monitor come in pairs. Make sure that you match wires so that each battery is plugged into the voltage monitor that corresponds to its matched battery connector. -
Page 5: Orienting The Sensor
Table 1 - LED Light Patterns Orienting the Sensor The MagEx has sensors that can be adjusted by 90º, depending on your location on the Earth’s Magnetic Field Inclination map. They are located at the front of the unit under the green cap. -
Page 6: Orienting The Gps
The MagEx can be used in two different orientations and features an adjustable GPS. Some people prefer to hold the MagEx vertically, and in those cases the GPS antenna will need to be adjusted from its regular straight up and down position. -
Page 7: Led Displays
Table 2 - LED Status Display How to Use the Shoulder Strap The MagEx comes with a shoulder strap designed to support the instrument safely and to be comfortable to wear. Clip the shoulder strap to the instrument as shown below in Figures... - Page 8 To adjust the level of the magnetometer, you can adjust the length of the front and back leveling strap supporting the MagEx Figure 7-1 – Fitting the Shoulder Strap (A) Front View (B) Back View and (C) View showing the...
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Page 9: Using The Getac Tablet
Using the Getac Tablet Power On both the Getac tablet and the MagEx Magnetometer. Once the tablet is on, swipe down to access the WiFi connection (Loki, password: password) and connect to the MagEx. Once the tablet is connected to the MagEx (blue LED becomes solid), return to the tablet’s home screen. -
Page 10: Starting Your Gps Survey
Figure 9-1 - Setting up a survey in MagNav (A) Creating your project (B) Setting your parameters and (C) Viewing your magnetic data in real time. Click on your new project to open it and inside the Surveys page click Create New Survey. In the pop-up window, set up your survey parameters and click OK. - Page 11 Start Stop Figure 10-1 – (A) The red margins indicate the that magnetometer is ready for use but that the survey has not yet started. Press the Start button and the screen will change to (B), where the green margins indicate that the GPS is working and data is recording.
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Page 12: Downloading Your Data
Map option at the top of the screen and your view will change to (B), a map showing the collected data. Walk around with the MagEx, the route will be displayed. After covering the survey site, click STOP. Navigate to the Heat Map page and click REFRESH to display the heat map of the collected data. -
Page 13: Ejecting Your Flash Drive
Transfer your data to your computer and use Survey Manager to convert dbt data to CSV or GDB files. Figure 11-1 - Exporting your data (A) Select your project and (B) choose where you want to store the data. 12.0 Ejecting Your Flash Drive It is very important for you to safely eject your flash drive. -
Page 14: Exporting Your Data
Select and open your dbt file. Figure 13-1 - Choose Open Exising MagEx Project to select your data for export. On the project screen you will see the export options. To export your file as a CSV, click on the... - Page 15 Figure 13-2 - Export Screen open asking which records you want to export - all data points or only those with accompanying GPS locations For users with licenses for GeoSoft software, you may export the data as a GDB file. If you find your file is smaller than expected or have fewer re- cords than expected, then you may have lost your GPS signal during the survey.
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