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Chapter 10    MAINTENANCE AND CHECK 
 
Alarm Name 
*Screen notation
  Class  Description 
Area1(Approach)  Alarm 
Echo in area1. 
Area1(Secession)  Alarm 
No echo in area1. 
Area1(Out of Range)  Alarm 
Rectangle area 1 is out of range. 
Creation of area 1 is out of range. 
Area2(Approach)  Alarm 
Echo in area2. 
Area2(Secession)  Alarm 
No echo in area2. 
Area2(Out of Range)  Alarm 
Rectangle area 2 is out of range. 
Creation of area 2 is out of range. 
TT(CPA/TCPA)  Alarm 
TT is changed to a dangerous ship 
TT(New Target)  Alarm 
TT is automatically acquired. 
TT(Lost)  Alarm 
TT is lost. 
Dragging anchor  Alarm 
The ship has left the dragging anchor monitoring area. 
GPS(Error)  Status 
Failed to set GPS. 
GPS(HDOP)  Caution 
Received excessive HDOP value beyond the setting. 
TM Reset  Status 
For TM, the own ship position is out of 40% of the radius of 
PPI. 
No Heading Data  Status 
Cannot function because own ship heading is not available 
-  Operations for specifying TT   
acquisition/numerical display 
- Changing to TM 
-  Changing to N Up/C Up 
On Preheating  Status 
Transmission operation during preheating 
Short Interval  Status 
Transmission operation in the interval of 1 second or less 
between standby and transmission 
Error Occurring  Status 
Transmission operation during prohibition of   
transmission caused by scanner error   
Max Point  Status 
Exceeded the maximum number of marks. 
File Not Found  Status 
File does not exist. 
USB Memory Not Set  Status 
USB memory does not exist. 
SD Memory Not Set  Status 
SD memory does not exist. 
File Read Error  Caution 
Failed to load the file. 
File Write Error  Caution 
Failed to write the file. 
Not Enough Space  Status 
Insufficient capacity. 
Format Error  Caution 
Failed to format. 
Num of files Over  Caution 
Writing data to the USB memory in which the number of the 
file has reached to the maximum. 
File Erase Error  Caution  Failed to delete the file. 
TT(Max Target)  Status 
Manually acquired when the number of acquisitions   
reached maximum. 
Detected when DSP tries to acquire 11 targets or more. 
DSP notifies the maximum target alarm occurrence of 
automatic acquisition tot the TT process task, then the TT 
process task notifies it to the alarm task. 
Unsetting  Status 
Zone creation operations for guard zone = Off. 
EBL bearing setting while EBL is off. 
Floating setting while EBL/VRM is off. 
VRM range setting while VRM is off. 
Manual tuning setting while automatic tuning is on. 
AIS operations while AIS function is off. 
TT operations while TT function is off. 
Invalid Data  Status 
Cannot function due to invalid value 
-  Invalid code is input for the code input screen