AIS CTRX GRAPHENE Class B AIS Transponder Manual
1.9E
8
CTRX GRAPHENE Manual
SAFETY INFORMATION
Before you start using the AIS CTRX GRAPHENE transponder it is important that you read and fully
understand the instructions in the installation manual. You should only proceed with the installation if
you are confident that you will be able to do so.
True Heading AB cannot be held liable for any injury or damage caused by, during or because of the
installation of AIS CTRX GRAPHENE. The AIS CTRX GRAPHENE is used at your own risk and it
shall be kept in mind that the validity of the AIS and GPS data depends on the full co-operation of
other users and systems.
AIS CTRX GRAPHENE is a navigation aid and is used together with other similar systems like radar,
optical lookout etc. to maintain safety at sea. The AIS CTRX GRAPHENE installation should be
inspected regularly and frequently checked by the user to maintain proper operation quality.
Remember that navigation and safety of lives at sea always requires proper seamanship and that the
AIS CTRX GRAPHENE is an aid and not a replacement for such qualities.
NOT ALL VESSELS CARRY AIS. IT IS THEREFORE IMPORTANT TO KEEP A PROPER
LOOKOUT AT ALL TIMES AND TO USE ALL AVAILABLE MEANS TO AVOID COLLISIONS AND
ACCIDENTS.
GPS MAY FROM TIME TO TIME INCLUDE ERRORS; THEREFORE, USERS MUST ALWAYS
VERIFY INDICATED POSITIONS RECEIVED FROM THE GPS BUILT IN TO THE TRANPONDER
WITH OTHER AVAILABLE MEANS.
General notice on GNSS reception
The AIS (Automatic Identification System) unit mostly utilise GNSS (Global Navigation Satellite
System) as GPS or GLONASS to determine position.
The accuracy of these systems is variable and can be affected by factors such as the positioning of
the receiving antenna, the number of satellites available at the time, angle of reception and if satellites
are healthy or not.
It is desirable to check and verify both your and other vessels AIS position data as often as possible
using visual or if available radar based observations.
Compass safe distance:
0.5m or greater for 0.3° deviation
