Furuno RP180 - Manual (Page 78)

AIS
10-15
Own ship speed data (Note 3) Own ship course data (Note 3) Msg when signal below is lost (IMO and
Non-IMO)
Mode
BT
WT
BT
WT
Log Pulse
VBW WT data
Speed Source
Set/ Drift
Msg on IMO only
VTG
VBW BT data
Remarks
LOG OFF WT VTG Log Pulse VTG GYR
O LOG A-WT
A-CPA
LOG ON
BT
A-CPA A-CPA
LOG
NAV OFF/ BT VTG VTG
A-CPA
ON LOG OFF/ BT BT data of VBW BT data of VBW and (S-BT) ON Gyro calculation LOG OFF WT VTG (S-WT) MAN ON BT
A-C
PA
MAN OFF WT VTG MAN VTG G
YRO A-WT A-CPA
A-CPA
LOG ON BT (S-WT)
Not available on IMO spec.
A-CPA LOG
WT data of VBW
VTG
BT data of VBW and gyro calculation
A-WT A-CPA
A-WT A-CPA LOG
VTG
VTG
VTG
VTG
VTG
VTG
A-CPA LOG
A-CPA
See Note 2 See Note 2
See Note 2
Note 1: "VTG" means VTG or RMC data, and the order of priority is VTG>RMC. MAN means manually entered ship
’s speed; S/D means SET and DRIFT.
Note 2: "SET DRIFT" shown in red characters in this condition. Note 3: Own ship speed and course data show the data which is used used to calculate CPA/TCPA and WT vector of AIS targets.
Ship’s speed and course data and A-WT, A-CPA alarm generating conditions
A-CPA A-CPA
LOG
A-CPA
REF
OFF/ ON
BT
Target based speed Target based course
A-CPA