ACR Electronics GlobalFix iPRO RLB-36 Product Support Manual page 13

406 mhz gps epirb beacon

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Category I beacons-Automatic deployment and activation

If the vessel sinks, the HydroFix™ HRU frees the beacon from the bracket,

allowing it to float to the surface. Built-in sensors detect that the beacon is no

longer in its bracket and when continuity is created by water between two of

the top cap screws, an activation circuit is completed.

NOTE: Transmission of the 121.5 MHz and 406 MHz signals will not occur

until 100 seconds after activation.

HRU releases the rod

separating the front and

back cover of bracket at a

depth between 4-13 feet

Y1-03-0233 Rev. D

Ejector Spring

launches EPIRB

from the bracket

allowing it to float

freely to the water

surface

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Globalfix y1-03-0233 Ipro - rev d Globalflix rlb-36