User's Manual

5─67
System Function Alarm (TT Data)
When an abnormal state of an input signal or Target Tracking unit may have a trouble, alarm is generated.
When an alarm occurs against any Target Tracking function, TT (Data) will appear in the alarm indication
(Software button ⑭ located at the operation/message area in Section 2.3.9), but no indication is made in the
Tracked Target information display (panel display area in Section 2.3.8). This status means that there is any
operational trouble in the Target Tracking unit. Please, contact the service depot or the manufactures.
System Function Alarm
Alarm characters
Alarm sound
Conditions
TT (DATA)
Beep sound (pipipi)
Alarm
acknowledgeable
An alarm sound is generated when a Target Tracking
circuit error occurs.
Gyro Set Alarm
The GYRO I/F in this system receives signals from a gyro. Even if the power is turned off, the system will
follow up the gyro. However, the system stops the follow-up operation when the power of the master gyro is
turned off or when any trouble occurs to the line. When the power of the master gyro is recovered, the
Set Gyro alarm will be generated.
If this alarm occurs, set the gyro.
Gyro Set Alarm
Alarm characters
Alarm sound
Conditions
Set Gyro Beep sound (pipi-pipi)
The signals from the gyro are stopped, but the gyro is
recovered.
AIS Alarm Display
The following provides a list of the AIS alarm.
Alarm No. Definition
001 Tx malfunction
002 Antenna VSWR exceeds limit
003 Rx channel 1 malfunction
004 Rx channel 2 malfunction
005 Rx channel 70 malfunction
006 general failure
008 MKD connection lost
025 external EPFS lost
026 no sensor position in use
029 no valid SOG information
030 no valid COG information
032 Heading lost/invalid
035 no valid ROT information