Appendix A Alert List A-4
Heading(invalid) There is a format error or a status error of the
Heading data.
Heading(not plausible) There is a range error of Heading data.
Heading(unavailable) The Heading data cannot be received.
ISW(Communication error) There is a communication error with ISW.
LAT(Out Of Bounds) The ship is out of the system operating latitude
range.
LCD Fan LCD unit fan is abnormal.
LCD High TEMP The temperature of LCD is too high. It will be dim
or dark.
Lost(AIS) Signals of AIS target have become unable to
receive. The current position is predicted based on
the data received last.
Lost(TT) The TT target has been lost sight of. It is because
the reception condition is bad or the target has
entered other object's shadow.
New Target(AIS) The target of AIS has been complemented and
activated.
New Target(TT) The target of TT has been complemented.
No.#n Radar(Communication failed, LAN) Communication with No.1 RADAR cannot be
performed via LAN.
OPU1(Communication error) There is a communication error with the operation
unit 1.
OPU1(Keyboard Connection) Key / encoder circuit was detected an open error in
the operation unit 1.
OPU2(Communication error) There is a communication error with the operation
unit 2.
OPU2(Keyboard Connection) Key / encoder circuit was detected an open error in
the operation unit 2.
Position(doubtful) The integrity of Position cannot be verified.
Position(invalid) There is a format error or a status error of the
Position data.
Position(not plausible) There is a range error of Position data.
Position(unavailable) The Position data cannot be received.
Power Fail Power incoming of 3.3V/2.5V/1.5V/1.2V etc. has
decreased and stopped.
PROC(AZI) An azimuth signal error has occurred at the signal
processing unit.
PROC(HL) A heading line signal error has occurred at the
signal processing unit.
PROC(Interrupt 1) There is a stern interrupt error in the signal
processing unit.
PROC(Interrupt 2) There is a stern interrupt error in the signal
processing unit.
PROC(Trigger) A trigger signal error has occurred at the signal
processing unit.
PROC(Video) A radar image signal error has occurred at the
signal processing unit.
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