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The following conventions are used in this guide
The symbol leads you through nested menu items and/or dialog box options to a final action.
Example:
Logging Configure Logging Parameters
means “Select
Configure Logging Parameters
option
from the
Logging
pull down menu”.
bold
Bold text is used for items you must select or click in the software.
It is also used for the field names used into the dialog box.
Courier
Text in this font denotes text or characters that you should enter from the keyboard, the proper
names of disk Drives, paths, directories, programs, functions, filenames and extensions.
italic
Italic text is the result of an action in the procedures.
CONVENTIONS
OCTANS 3000 OVERVIEW
OCTANS 3000 is both a fiber-optic survey-grade gyrocompass and a Motion Reference Unit for Marine applications.
The core of OCTANS 3000 is a compact strap-down Inertial Measurement Unit (IMU) which contains three accelerome-
ters, three fiber-optic gyroscopes, and a real-time computer. This unit computer is a Digital Signal Processor (DSP) chip
enabling complex real-time computation.
The heading search algorithm has been designed by IXSEA. Heading and attitudes are computed whether the system is
in movement or not, and without an external reference point. Computation is based on (filtered) measurement of shifts
in local gravity as the Earth rotates. It involves angle integration using quaternion algebra, a heading search algorithm,
and Coriolis force correction for vessel speed.
The OCTANS 3000 system is used to deliver:
•
True heading, roll, pitch
•
Heave, surge, sway
•
Rates of turn and accelerations
OCTANS 3000 is delivered with a powerful and easy-to-use WEB-based User Interface, which allows a complete confi-
guration.
VERIFICATION OF THE PACK CONTENTS
You will find in the shipping case a Packing List detailing all the items delivered. This packing has been completed and
checked by IXSEA shortly before shipment, and should match the contents of the pack you have received.
However, we recommend that you check the contents of the pack and the equipment immediately on receipt of your
OCTANS 3000 unit. Specifically, you should check that all the items referred to above are present on delivery and that
none has sustained damage.
If you observe any non-conformity or damage, please inform the carrier and IXSEA without delay by certified mail,
describing in detail the problem encountered.
