Introduction; Automatic Identification System - Comar Systems CSB200 Installation And Instruction Manual

CSB200 Class B AIS
LIMITED WARRANTY
Comar Systems Ltd warrants this product to be free from defects in
materials and manufacture for one year from the date of purchase.
Comar Systems Ltd will, at its sole option, repair or replace any
components that fail in normal use. Such repairs or replacement will be
made at no charge to the customer for parts and labour. The customer is,
however, responsible for any transportation costs incurred in returning
the unit to Comar Systems Ltd.
This warranty does not cover failures due to abuse, misuse, accident or
unauthorized alteration or repairs.
The above does not affect the statutory rights of the customer.
DECLARATION OF CONFORMITY
Hereby, Comar Systems Ltd of Medina Court, Arctic Road, Cowes, Isle of
Wight, PO31 7XD, United Kingdom, declare that this CSB200 is in
compliance with the essential requirements and other relevant provisions
of Directive 1999/5/EC.
This product carries the CE mark, notified body number and alert symbol
as required by the R&TTE directive.
This product is intended for sale in the following member states:
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CSB200 Class B AIS

INTRODUCTION

Automatic Identification System (AIS)
How AIS Works
The marine Automatic Identification System (AIS) is a location and vessel
information reporting system. It allows vessels equipped with AIS to
automatically and dynamically share and regularly update their position,
speed, course and other information such as vessel identity with similarly
equipped craft. Position is derived from a Global Navigation Satellite
System (GNSS) network and communication between vessels is by Very
High Frequency (VHF) digital transmissions. A sophisticated and
automatic method of time sharing the radio channel is used to ensure that
even where a large number of vessels are in one location, blocking of
individual transmissions is minimised, any degradation of the expected
position reporting interval is indicated to the user and even if the unit
suffers extreme channel overload conditions it will always recover to
normal operation.
AIS Classes
There are two classes of AIS unit fitted to vessels, Class A and Class B.
In addition AIS base stations may be employed by the Coastguard, port
authorities and other authorised bodies. AIS units acting as aids to
navigation (A to Ns) can also be fitted to fixed and floating navigation
markers such as channel markers and buoys.
Class A units are a mandatory fit under the safety of life at sea (SOLAS)
convention to vessels above 300 gross tons or which carry more than 11
passengers in International waters. Many other commercial vessels and
some leisure craft also fit Class A units.
Class B units are currently not a mandatory fit but authorities in several
parts of the world are considering this. Class B units are designed for
fitting in vessels which do not fall into the mandatory Class A fit category.
The CSB200 is a Class B unit
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