JRC JMA-9110-6XA, Instruction Manual

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RM Relative Motion
A display on which the position of own ship remains fixed, and all
targets move relative to own ship.
RM(R)
Relative Motion. Relative Trails.
RM(T)
Relative Motion. True Trails.
ROT
Rate Of Turn
Change of heading per time unit.
Route A set of waypoints.
RR Range Rings
S
SART Search And Rescue Transponder
Radar transponder capable of operating in the 9GHz band
Sea stabilization
A display mode in which speed and course information are referred
to the sea.
Sea state
Status of the sea condition due to the weather environment,
expressed as a sea state 0 for flat conditions with minimal wind, to
sea state 8 for very rough sea conditions.
SET
The current direction for manual correction or the current speed on
the horizontal axis of the 2-axis log is displayed.
Sleeping AIS
target
A target indicating the presence and orientation of a vessel
equipped with AIS in a certain location.
SOG
Speed Over the Ground
The speed of the ship relative to the earth, measured on board of the
ship.
SP Short Pulse
STAB STABilization
STW Speed Through Water
The speed of the ship relative to the water surface.
T
TCPA
Time to Closest Point of Approach to own ship
Test target
Radar target of known characteristics used for test requirement
TM
True Motion
A display across which own ship moves with its own true motion.
Trails Tracks displayed by the radar echoes of targets in the form of an
afterglow.