General | 6
1 General
This manual describes the operation and installation of
the MX521 antenna sensor.
They were designed to work either interactively with MX
Control and Display Unit (MX CDU) or as a stand-alone
positioning device for other non-MX applications.
The MX521 smart DGPS antennas can achieve better
than 2-meter DGPS accuracy in areas with good beacon
differential coverage and autonomous GPS accuracy
better than 5 meters.
When connected to an MX-CDU (i.e. MX61x or MX51x),
the MX521 can be controlled to function in several
modes, namely;
• GPS only
• Differential correction search mode in Auto, Database
or Manual
• WAAS* (Wide Area Augmentation System-US system)
• EGNOS* (European Geostationary Overlay System)
• RAIM (Receiver Autonomous Integrity Monitoring)
The MX521 sensors were designed to be used as:
• Source of GPS/DGPS positioning for MX CDUs
including MX61x & MX51x series CDUs
• Retrofit of IMO compliant GPS and AIS installation
• Source of position for ECDIS and other charting
software
Before installing the MX521 smart antenna, please read
this manual carefully to ensure proper installation and
operation of the unit.
*Not yet recognized by IMO as official differential correction
system
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