3. INDICATOR LIGHT
As soon as the PLB is activated, the indicator light will start to flash:
White LED:
• One flash every ½ second
indicates the unit is activated
and attempts to acquire or
refresh a GNSS position fix.
• One flash every 2 seconds
indicates that a GNSS position fix
has been acquired.
• A long flash then three rapid
flashes every 50 seconds,
indicates that the PLB has
transmitted a distress signal
along with the current GNSS
position.
Blue LED:
• When RLM is requested, the blue LED flashes every 50 seconds (very
short flash).
• Once RLM is received, the blue LED flashes constantly (blue flashes are intertwined
with the white flashes).
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