Furuno MFD8 User Handbook Manual page 14

Using ARPA
The Automatic Radar Plotting Aid (ARPA) is a radar function for target tracking and collision
avoidance. ARPA tracks and provides detailed information for up to 30 targets. You can track
targets automatically, manually or a combination of both.
Manually acquiring a target
Place cursor
on target.
ARPA target symbols
: Target being acquired.
: Target data being calculated.
Showing target data
Place cursor on
ARPA target.
Show
Radar popup.
Simple
data
Detailed
data
Acquire Target
is selected;
push RotoKey.
: Acquired target.
: Lost target.
ID
COG/SOG
CPA/TCPA
Range/Bearing
ID 1
COG 56.2°T
SOG 6.8 kt
CPA 3 m
TCPA 55m03s
Range 6.366nm
Bearing 26.7°T
Position 34°37.1715'N; 135°10.2459
14
1
56.2°T/6.8 kt
3 m/55m03s
6.366 nm/26.7°T