Operator's Manual

2. OPERATIONAL OVERVIEW
2-9
2.1.4 Sensor information box
The sensor information box displays ship's heading, speed, course over the ground,
speed over the ground and position. When the user-selected sensor fails, the system
automatically selects another sensor. When this occurs, the color of the sensor name
changes from green to yellow. See the table below.
Color of nav data indications and sensor name
The color of the nav data indications and sensor name change according to the state
of the sensor data. The table shown below provides basic information. For detailed in-
formation, see Appendix 4. When no sensor data is received, the sensor source indi-
cation is blank.
The digital indications and sensor names are
colored according to sensor state. See the
table below.
• HDG: Heading and its source.
• SPD: Longitudinal speed and its source.
The direction of transverse speed is indi-
cated with arrows, , Starboard, , Port.
• COG: Course over ground and its source.
• SOG: Speed over ground and its source.
• POSN: Latitude and longitude position of
own ship and its source.
Note: The position source shall meet the re-
quirements of IMO MSC.112(73).
Nav data indication
Color of nav data
indication
Color of
sensor name
State
Green White Sensor is normal.
Yellow White Validity of data is low or offset
is applied.
Red Red Validity of data is critically low.
Green, data shown
with asterisks
(***.*)
No display Data is not being received.
Yellow Yellow Data is input manually (dead
reckoning).