EPIRB1 USER MANUAL
11 Version 00.03 25/07/2014
4.2
GPS test
WARNING: AS TESTING THE GPS RECEIVER EXPENDS SIGNIFICANT AMOUNTS OF
BATTERY ENERGY DO NOT TEST THE GPS OPERATION MORE THAN ONCE A YEAR.
TESTING THE GPS RECEIVER IS LIMITED TO 12 TESTS OVER THE LIFETIME OF THE
BATTERY, AFTER THIS THE GPS TEST WILL FAIL TO ACTIVATE.
THIS TEST MUST ONLY BE PERFORMED WHERE THE EPIRB HAS A CLEAR AND
UNOBSTRUCTED VIEW OF THE SKY. THIS IS REQUIRED TO ALLOW THE GPS RECEIVER TO
ACQUIRE A SIGNAL FROM SUFFICIENT SATELLITES TO ALLOW IT TO DETERMINE A
POSITION. MAKE SURE THE AREA MARKED “GPS ANTENNA” IS NOT OBSTRUCTED.
Press and hold the TEST key for ten seconds. The LED will illuminate red to indicate the
key has been pressed then start flashing.
Note: If the TEST key is released before ten seconds, the EPIRB will enter the self test
mode.
After ten seconds the LED will change to a long red flash and a short green flash until
either a position fix is obtained or the GPS test fails. A successful test will be indicated by
the strobe flashing and the green LED flashing. The number of green flashes indicates the
number of GPS tests remaining. The unit automatically turns off after the test indication.
If there is no GPS position after five minutes, a failure will be indicated by the red LED
flashing after which the unit will turn off.
The test can be ended at any time by holding the ON key for one second or by holding the
TEST key for five seconds.
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