jotron Tron 40GPS Mk II, Руководство пользователя

Страница: 26 / 40

26 82823_UM_ 40GPSMkII_E
5.2 AUTOMATIC OPERATION (FB4/FBH/FB5)
1. The Tron 40GPS MkII will automatically release from the bracket, float to the surface and start to
transmit when the EPIRB, in its bracket is deployed into water at a depth of app. 2-4 meters
(6 - 13 feet).
2. Alternatively the EPIRB can be manually released from the bracket and put into the water.
3. Transmission will continue until the EPIRB is lifted out of the water, and dried off.
The transmission can also be stopped by placing the EPIRB in the bracket.
5.3 MANUAL TEST OF THE EPIRB
WARNING! The self-test should be performed only within the first 5 minutes
of any hour.
See figure 7.4
To perform the self-test, the EPIRB has to be removed from the bracket.
FB4 bracket: Remove EPIRB from the bracket by pulling out the locking pin on the clamp and open
the retaining rod that holds the beacon.
FB5 bracket: Release FB5 to top cover by removing the locking split pin and special washer.
WARNING
The EPIRB can drop out of the FB5 bracket when releasing top cover
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 one strobe flash after app. 15 seconds.
3. If the EPIRB fails to end up with a continuous light, this indicates a fault in the EPIRB. See
chapter 6.5 EPIRB module error message.
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 121,5 MHz 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.
While testing the 406 MHz transmitter a test message is transmitted, this test message is coded
with a special synchronisation code and will not be detected by the COSPAS/SARSAT satellites.
The purpose of this test message is to control the actual coding of the EPIRB. This can be done
with the Jotron AS test unit Tron DEC/UniDEC or an other EPIRB tester.