EPIRB1 User Manual
912S-01365 v01.22 8 01/06/23
4. OPERATION
! WARNING: USE ONLY IN SITUATIONS OF GRAVE AND
IMMINENT DANGER. MISUSE MAY RESULT IN A SE-
VERE PENALTY
Ensure that your EPIRB1 is always fitted with an unused battery
that is within the marked expiry date. Failure to do so may result
in reduced operating time when used in a real emergency. Please
observe the recommendations on testing in section 5.
4.1 Activation
Only activate your EPIRB in situations requiring emergency as-
sistance from the rescue authorities. Deliberate misuse of your
EPIRB may result in a fine.
• Remove the EPIRB from its bracket by pushing the tab on the
bottom of the cradle down
• To activate your EPIRB in an emergency, pull the red antenna
tab out completely until firm resistance is felt (25.5cm).
• Remove break off tab
• Lift the protective flap and press the ON key for one second
until the green starts LED flashing and then release the key.
• During operation the green LED will flash once every five
seconds while the GPS is turned on and obtaining a fix. Once
a fix is obtained, the green LED will flash quickly three times.
• Each time a 406MHz transmission is made the LED will flash
quickly five times; green for transmission with a GPS position
and red for a transmission without a position.
• The Red LED will flash every 2.5 seconds while the 121.5MHz
homing beacon is active.
• Hold your beacon with the antenna standing vertically. Keep
the area marked ‘GPS Antenna’ free from obstruction, which
would interfere with the GPS reception.
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