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C-Max CM2 User Manual

Magnetometer
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CM2 User Manual: Magnetometer Supplement
USER
MANUAL
The CM2
SIDESCAN
SONAR
SYSTEM
Magnetometer
Supplement
Version 1.4
© C-MAX Ltd 2017
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Summary of Contents for C-Max CM2

  • Page 1 CM2 User Manual: Magnetometer Supplement USER MANUAL The CM2 SIDESCAN SONAR SYSTEM Magnetometer Supplement Version 1.4 © C-MAX Ltd 2017...
  • Page 2 CM2 User Manual: Magnetometer Supplement (This page intentionally blank)

  • Page 3: Table Of Contents

    This supplement describes operation of the Marine Magnetics Explorer and SeaSPY magnetometers when towed behind a CM2 towfish, sharing the CM2's tow cable telemetry and power. This supplement should be read in conjunction with the CM2 User Manual and with Chapter 7 of the Explorer Operation Manual or SeaSPY Operation Manual.

  • Page 4: Connection To Mm Display Software

    The CM2 Magnetometer Interface Kit is a single version that works with both models of magnetometer. The Marine Magnetics (MM) sidescan sonar interface kit is available in two versions, specific to each model. When the CM2 system is ordered with the Magnetometer Interface Kit option it is delivered with the following items:-...

  • Page 5: Magnetometer Settings

    The data string is also the standard, factory default format. Settings can only be adjusted or reset to default when the SeaLINK computer is connected directly to the magnetometer. The CM2 telemetry does not allow downward communication with the magnetometer.

  • Page 6: Connecting The Magnetometer

    Connecting the Magnetometer Strap the magnetometer link cable to the CM2 towfish safety lanyard using plastic cable ties as shown in the illustration. This is important because, if the link cable is not secured in this way, hydrodynamic drag on the link cable may pull the plug out of the socket on the rear bulkhead.

  • Page 7: Launch And Recovery

    CM2 User Manual: Magnetometer Supplement To test the system before launch start MaxView (or third-party sonar acquisition software) and SeaLINK, then start the CM2 towfish. After a delay of a few seconds power will be automatically applied to the magnetometer and sampling will begin.