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10 MAINTENANCE
10.1 Self Test & inspection
As an important item of safety equipment, your EPIRB should be
checked regularly. The EPIRB has a built-in test capability that can be
used as a confidence check. This self-test confirms that the battery is
healthy, that the GPS receiver and both distress transmitters are
functional and that the strobe light is operational. The self-test should
be performed monthly, but not more frequently. It should be performed
during the first 5 minutes of the hour, to minimise disturbance on the
emergency channel.
10.1.1 Standard Self Test
Press the TEST button until the red LED lights, then release the button.
The EPIRB will test its internal components and then make test
transmissions at 121.5 and 406 MHz whilst monitoring the transmitter
output.
If all tests are successful, the buzzer will sound and the red and white
strobe LEDs will flash together a number of times.
If any test is unsuccessful, nothing will flash and the red LED will go
out.
Operation of this test for the EG50 is identical, except that the green
LED will flash (or not) in step with the red LED.
The number of times the LEDs flash is an indication of the accumulated
time the battery has been in use
Accumulated Battery Use
(hours)
0 to 4
5 to 6
More than 6
Maintenance
Number of flashes/beeps
3
2
1
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