Geometrics Inc. G-882 Cesium Marine Magnetometer Page 1
1.0 Introduction
The G−882 Marine Magnetometer has been designed and manufactured to make it
easy to use and to get great marine magnetometer data. The purpose of this
manual is to give new users start up information and experienced users reference
information.
We begin with an introductory overview on to how the system works and then
provide a Quick Start Hardware Guide to show you how to connect the
magnetometer fish and tow cable system. The G−882 offers field convertible nose
tow or CG (center of gravity tow) configurations and we explain how to convert one
to the other. In general the nose tow is used in shallower applications, the CG tow
for deeper tow requirements.
We continue with a description of the Kellems grip cable attachment system and how
it is used to safely attach your tow system to a secure point on your vessel or towing
winch. The Quick Start Hardware Guide concludes with a section on connecting the
tow cable (or on-board deck cable) to the power-data-junction box, power supply and
PC computer for data logging
Most G−882 magnetometers are supplied with our MagLog or MagLogLite software
which runs on a Windows™ PC. A Quick Start Software Guide walks you through
the basic setup using the MagLog Survey Wizard to configure logging of the
magnetometer, GPS and printer. We suggest that the user refer to the MagLog /
MagLogLite manual for more in-depth setup and operational information after using
the Quick Start Guide.
Your data may be processed in our accessory software MagMap2000 and MagPick
programs, also supplied with the magnetometer. Please review those manuals for
processing steps and map making. The manuals are part of the software installation
and can be found under the Help tab.
After the Quick Start Guides we offer the main part of the manual where we discuss
deployment scenarios, tow depths, sensor orientation requirements, digital data
transmission formats, troubleshooting and service information.
We have produced this manual to provide you with a basic understanding of the
procedures required to obtain the best survey data obtainable and give you some
tips on how to care for your magnetometer system. It is not meant to be exhaustive
for every case as there are many different situations and applications in which the
magnetometers can be used. As always, we are here to support you and help you
get the most out of your system, so we encourage you to call or email us with
questions.
Contact information:
Technical support@mail.geometrics.com
Salessales@mail.geometrics.com
Tel: 408-954-0522 Fax: 408-954-0902
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