MD69BRX
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17 GLOSSARY OF TERMS
Term
Description
EMC
Electro-Magnetically Compatibility
(Measuerd againt the relavant standard, e.g. IEC60945 or MIL-STD-461F)
Electromagnetic Compass
(electronic device measuring
ships heading by sensing the earth’s magnetic field
directly)
EN60945
Maritime navigation and radio communication equipment and systems. General
requirements. Methods of testing and required test results.
MOQ
Minimum Order Quantity
MTBF
Mean Time Between Failure
NMEA 0183
Combined electrical and data specification for communication between marine
electronic devices as specified by National Marine Electronics Association.
Equivilant to IEC61162-1
PCB
Printed Circuit Board
RAL7040
Paint colour specification. RAL is a European standard colourspace and derives from
Reichs-Ausschuß für Lieferbedingungen und Gütesicherung
(from the German
Imperial Commission for Delivery Terms and Quality Assurance).
RS422
Serial Communications Electrical Conneciton type
Sentence
Transmitting NMEA string, for example from a Gyro
TMC
Transmitting Magnetic Compass
(electronic device measuring and transmitting the heading indicated by a convetional
magnetic compass.)
VOLTS dc
Volts Direct Current
W.R.T.
With Respect To
