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5.5  Alarm Display 
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5.5  ALARM DISPLAY 
 
Alarm messages for Target Tracking (TT) and AIS functions: 
 
Error message  Description 
CPA/TCPA  There is a dangerous target. 
New Target  A new target is acquired in the automatic acquisition zone 
Lost  There is a lost target. 
REF Target  The accuracy of the reference target may be decreased. 
95% Capacity 
The number of targets being tracked by the Target Tracking function has reached 95% of 
the maximum. 
MAX Target 
The number of targets being tracked by the Target Tracking function has reached the 
maximum. 
AIS 95% Capacity  The number of displayed AIS target symbols has reached 95% of the maximum. 
AIS MAX Target 
The number of received data items exceeds the maximum number of AIS target symbols 
that can be displayed. 
AIS ACT 95% Capacity 
The number of activated AIS targets by the AIS function has reached 95% of the 
maximum. 
AIS ACT MAX  The number of activated AIS targets by the AIS function has reached the maximum. 
AIS Alarm *** 
Alarm information issued with the ALR sentence by the AIS. 
*** is a 3-digit number which is Local Alarm No in the ALR sentence. 
AIS Alarm 001  TX malfunction 
AIS Alarm 002  Antenna VSWR exceeds limit 
AIS Alarm 003  RX channel 1 malfunction 
AIS Alarm 004  RX channel 2 malfunction 
AIS Alarm 005  RX channel 70 malfunction 
AIS Alarm 006  General failure 
AIS Alarm 008  MKD connection lost 
AIS Alarm 025  External EPFS lost 
AIS Alarm 026  No sensor position in use 
AIS Alarm 029  No valid SOG information 
AIS Alarm 030  No valid COG information 
AIS Alarm 032  Heading lost/invalid 
AIS Alarm 035  No valid ROT information 
 
An alarm is displayed in the alarm indication (located at the lower right of the display)