User's Manual

18
The series of Green indicator flashes show how many hours use the EPIRB
has undergone. The series of Red indicator flashes show the failure mode.
Green Indicator Flashes Red Indicator Flashes
N
o
of Flashes
N
o
of Hours
Use
N
o
of
Flashes
Mode of
Failure
1 Flash
0 to
1hr 59min
1 Flash
121.5MHz
homer
2 Flashes
2hrs to
3hrs 59min
2 Flashes
406MHz
generation
3 Flashes
4 hrs to
5hrs 59min
3 Flashes
406MHz power
amplifier
4 Flashes
6hrs to
7hrs 59min
4 Flashes
Replace
battery
5 Flashes
8hrs to
9hrs 59min
5 Flashes Other failure
6 Flashes 10hrs +