Upon activation, the indicator LED will show eight short flashes during AIS
transmission and one long flash during DSC transmission. The color of the flash will
be red during position acquisition and green when the GPS position is being received.
When operating the MOB, tether the beacon to your body or the life jacket.
Hold your beacon with the antenna standing vertically. Keep the area marked “GPS
– Do Not Obstruct When On” free from obstruction, as this would interfere with the
GPS reception.
5.3 DSC All Ship Distress Alert transmission
Applies only in countries where DSC All Ships Alerts are allowed.
Press and hold the “ON” key for over 5 seconds to transmit a single DSC All Ships Distress
Alert. This should only be done in a dire emergency, if it is obvious that your alert is not
being acted upon by your own vessel. After the key is pressed, the green LED will start
flashing, and then become steady. Release the key to commence transmission of a single
DSC transmission. The LED will blink rapidly to indicate a DSC Distress is being
transmitted to ALL SHIPS; red if there is no position available and green when GPS
position is being received.
5.4 Deactivation
To deactivate your MOB after use, or if it is accidentally activated, press the “TEST/OFF”
key until the LED flashes red twice, then release.
6. Rewinding the antenna
To rewind the antenna after activation, transmission testing, or during installation, use the
Antenna Rewind tool. Place the moulded cap of the antenna into the space (1). Pass the
tool through the round hole in the top of the MOB and place over the antenna spring just
behind the cap (2). Rotate the tool anti-clockwise until the antenna is fully wound up (3).
Press the antenna rewind tool downwards into the case top to lock it in position. The
activation slide can now be fitted. Remove the
antenna winding tool (4).
If the MOB has activated, turn it off by pressing
the “TEST/OFF” key until the LED flashes twice (5).
Rotating the antenna rewind tool in the
clockwise direction will result in damage
to the antenna.
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