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G-882
Geometrics G-882 User Manual
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Geometrics
Inc.
G-882 Cesium
Marine Magnetometer
Page
6
Next carefully pull the pigtail cable assembly from inside the nose through the
nose hole (Fig 5 D) and remove the dummy plug. You do this by unscrew
ing the
locking sleeves and pulling the dummy plug straight out. Do the same on the
pigtail attached to the tow
cable
clevis termination.
Fig 5
Fig 5 A
Remove
cotter pin
Fig 5 B
Remove
clevis pin
Fig 5 C
Remove
nose plug
Fig 5 D
Extract
pigtail
Locking
Sleeves on
Clevis
14
16
Table of Contents
Default Chapter
7
Table of Contents
7
1 Introduction
10
How It Works
11
2 Quick Start Hardware Guide
11
Nose Tow Configuration
13
Converting Nose Tow to CG Tow
17
Adjusting Handle and Orientation Weight
18
Attaching the Tow Cable to the Vessel
20
Powering up the System
20
3 Quick Start Software Guide
21
What Does Maglog Do
23
The Survey Wizard
24
4 General Overview
34
Operation and FAQ
34
Performance
37
Sensor Orientation Guide
38
Main Field Inclination and Total Intensity Maps
42
Counter Data Format and Command Structure
45
Output Format
45
General Command Instructions
48
G−882 Quick Command List
48
G−882 Detailed Commands
49
Update Default Parameters
53
Command Set Descriptions
55
Power-Up Initialization
63
Accessory Software
64
Cesium Sensor Active Zones - CSAZ
64
Orientation Solutions
64
Cm201
64
Depth Cal
72
Depth Calibration Using Maglog-Lite or Maglog
76
Assembly, Installation and Use
81
Assembly of the Sensor Fish
81
Installation of the G−882 Magnetometer
81
Deployment of the G−882 Magnetometer
82
5 Service Information and Trouble Shooting Guide
89
Connector Information
89
O-Ring Maintenance
91
Depth Sensor Ratings
92
Tow Cable Strength Data
92
Trouble Shooting Guide
93
The Diagnostic Survey - How to Use It
97
Final Maglog Screen will Look as above to Provide Diagnostics for System Troubleshooting
104
Voltage Calibration for Magnetometers Using CM-221 Counters
104
Appendix A - Optically Pumped Magnetometer Theory
112
Appendix B - System Connection Wiring Diagrams
115
Appendix C: G-882 with Larmor Output
119
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Geometrics G-882 Specifications
General
Brand
Geometrics
Model
G-882
Category
Marine Equipment
Language
English
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