A        Antenna Warning
B        Antenna Fatal
C        Communication Warning
D        Communication Fatal
E        Intertrack Communication Failure Warning
F        Intertrack Communication Failure Fatal
G        Good
H        Power Supply Failure
I        Power Supply Fatal
J        Power Supply Off
K        Software Set-up Failure
L        Available
M        Multiple Processor
O        Presence Loop Off
Q        Presence Loop On
R        Reader or Radio Frequency Warning
S        Reader or Radio Frequency Fatal
T        Transducer Warning
U        Transducer Fatal
V        Transducer Off
X        External Detector Warning
Y        External Detector Fatal
Z        Security