Functional Tests - mcmurdo C1 S-VDR Service Manual

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3.2 Functional tests

The tests detailed in this section confirm that the FFC is fully functional.
Equipment Required
Special screened/anechoic chamber
Message Reader
Magnet
Conductive plate/shorting link
Sea switch
Warning: This test must be performed quickly. The FFC must not be allowed to be
active for more than 120 seconds, otherwise it will transmit an alarm.
1. Stand the FFC on the conductive metal plate or short the sea switch screws
using a link wire. Within approx 8 seconds the FFC must activate (start to
flash).
2. Immediately place the magnet in the position shown.
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The FFC must deactivate (stop flashing) immediately. Remove the magnet
and the FFC should re-activate within approx 8 seconds.
3. Immediately lift the FFC off the metal plate. Within approx 8 seconds the
EPIRB should deactivate.
Self test
1.
Press and hold the TEST button.
2.
The red LED should immediately light indicating self test is running.
3.
On successful completion of the self test sequence the green LED will
flash 3 times and the strobe will flash 3 times.
4.
Release the TEST button
CAUTION: Do not subject more than one FFC to self test at any time, as two units
may interfere during self test.
ON test
Warning: This test must be performed quickly. The FFC must not be allowed to be
active for more than 120 seconds, otherwise it will transmit an alarm. If the test is to
be prolonged, a screened enclosure must be used. The integrity seal will be broken
during this test – ensure that a replacement is available.
1. Pull off the ON switch cover.
2. Press the ON switch.
3. Allow the strobe to flash three times
4. Press the Test button to switch the unit off.
The unit should turn off within 2 seconds. Fit a new integrity seal.
C1 S-VDR service manual
As required
Sartech 5410 or equivalent
82-209 or similar
Any suitable
Issue 1
Page 12

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