Monday, May 6, 2013

■ Manual operation and Test of the EPIRB

Manual operation
1. Break the seal and pull the locking pin holding the main activator switch
2. Push slider to move switch to ON position
3. The switch is spring loaded and will automatically go to the ON position
4. The LED indicator, located at the top of the EPIRB, will start flashing indicating that the EPIRB
    is operating, In addition the strobe light will start to operate. The LED indicator will turn off after
    a few seconds
5. If possible keep the EPIRB in an open area, away from any metal objects(ship construction etc.)
    that may limit the satellite coverage
6. Transmission can be  stopped by turning the switch to READY position      

Manual Test
1. Press the spring-loaded switch on top of the EPIRB to the TEST position
    Keep hands and other objects away from the upper part of the EPIRB(away from the antenna)
2. A successful test will consist of a series of blinks on the LED test-indicator, followed by a continous
    light and strobe flash after app. 15 seconds
3. If the EPIRB fail to end up with a continuous light, this indicates a fault in the EPIRB
4. Release the switch and put the EPIRB back into the bracket. What the self test actually does is first
    to wait app. 15 seconds to allow the reference oscillator inside the EPIRB to warm up. Then a short
   burst is transmitted by the 121.5MHz transmitter, while the output level of the transmitter is checked.
   Finally, a test signal is transmitted by the 406 transmitter. During this test signal the battery voltage,
   output power and frequency is checked.

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