10. Other Functions; Ais Operations; Ais Target Symbols - Furuno GP-1670F Operator's Manual

10. OTHER FUNCTIONS

10.1

AIS Operations

AIS (Automatic Identification System) is a system that continuously transmits the iden-
tification and position of your boat to AIS transponder equipped vessels within com-
municating range. All such vessels also receive data from other AIS transponder
equipped vessels and display their positions and other relevant information. The AIS
broadcasts this information over a VHF transceiver. Data include:
• Position
• Call sign
• Name of vessel
• Speed over the ground
• Course over the ground
• CPA
A maximum of 200 targets can be displayed, in the order in which they are received.
Connection to a Class A or B AIS transponder is required.
10.1.1

AIS target symbols

Symbol
COG
The symbols of AIS targets out of the display range are displayed smaller.
• Heading
• MMSI no.
• TCPA
Target category
AIS target
Dangerous AIS
target
Lost AIS target
Color
White COG is indicated with a sol-
id line.
White An AIS target is declared a
(flashing) dangerous target when its
CPA and TCPA put the tar-
get on a collision course
with your boat.
White An AIS target becomes a
lost target if a signal is not
received from the AIS tar-
get for x* minutes. The lost
target symbol is erased if a
signal is not received for an
additional x* minutes. *The
time depends on the AIS
transponder. Check your
AIS owner's manual for de-
tails.
Description
10-1