User's Manual

Table Of Contents
Synapsis Radar
with Nautoscan NX Pedestal
Operator Manual
4265.DOC020102
3-2
Edition July 2015
The point at which a target will be closest to own ship
Time to Closest Point of Approach (TCPA)
The time remaining to CPA, based on current own ship speed.
Potential Collision Point (PCP)
The point at which a collision would take place if the target vessel
maintains present course and speed, and own ship maintains present
speed and if own ship were to choose to steer a collision course now.
Radar Video presentation
Relative Motion (RM)
In this mode, the Radar shows the motion of a target relative to the
motion of own ship, own ship is fixed on the screen. Targets move on
the screen. Relative Motion can be with True Trails RM (T) or
Relative Trails RM (R)
True Motion (TM)
In this mode, the actual or true motion of a target and own ship, i.e.
land masses or non- moving targets are fixed on the screen while
targets with actual motion and own ship move on the screen (similar
to plotting chart). True Motion can be with True Trails TM (T) or
Relative Trails TM (R).