Appendix B Alert List
B-10 
 
B.4  List of Alert Icons 
The alert icons displayed in the alert status area are listed below. 
 
No.  Name of alert icon  Functional outline  Alert icon 
1 
Active –   
unacknowledged   
alarm 
A flashing red triangle. 
A symbol of loudspeaker in the middle of the triangle. 
 
2 
Active – silenced   
alarm 
A flashing red triangle. 
A symbol as in icon number 1 with a prominent diagonal 
line above it. 
 
3 
Active –   
acknowledged alarm 
A red triangle. 
An exclamation mark in the middle of the triangle. 
4 
Active - responsibility   
transferred alarm 
A red triangle. 
An arrow pointing towards the right in the middle of the 
triangle. 
 
5 
Rectified –   
unacknowledged   
alarm 
A flashing red triangle. 
A tick mark in the middle of the triangle. 
 
6 
Active -   
unacknowledged   
warning 
A flashing yellowish orange circle. 
A symbol of loudspeaker in the middle of the circle. 
 
7 
Active – silenced   
warning 
A flashing yellowish orange circle. 
A symbol as in icon number 6 with a prominent diagonal 
line above it. 
 
8 
Active –   
acknowledged   
warning 
A yellowish orange circle. 
An exclamation mark in the middle of the circle. 
 
9 
Active - responsibility   
transferred warning 
A yellowish orange circle. 
An arrow pointing towards the right in the middle of the 
circle. 
 
10 
Rectified –   
unacknowledged   
warning 
A flashing yellowish orange circle. 
A tick mark in the middle of the circle. 
 
11  Caution 
A yellow square. 
An exclamation mark in the middle of the square. 
a  Aggregation 
A plus sign. 
To be presented together with icons number 1 to 11 
b 
Acknowledge not   
allowed for alarm 
A red triangle with a cross in the middle of triangle. 
To be presented together with icons number 1, 2 and 5. 
c 
Acknowledge not   
allowed for warning 
A yellowish orange circle with a cross in the middle of 
circle. 
To be presented together with icons number 6, 7 and 
10.