Operation with Full Function Handset |
press and hold CLR for 3 secs
When a response is received, the DSC indicator flashes and the DSC Distress alert is sounded. The LCD scrolls a message that the DISTRESS has been acknowledged, along with the sending station’s MMSI number or nickname. The message and alert are repeated until the CLR key is pressed.
CLR
Flashing 
When the CLR key is pressed, the unit exits the DSC mode continues monitoring Channel 16 on high power.
Regardless of the handset state, the DSC Distress alert is sounded at maximum volume on the external speaker, even if the volume knob has been rotated all the way OFF.
You can mute the alert tone by pressing the CLR key for one second. Pressing CLR only turns off the alert sound; it does not interrupt the Distress call.
Specified Distress Call
You can assign one of eleven distress types to the call to provide the potential rescuing station additional information if time and circumstances permit. The Nature of the distress call can be selected using the DISTRESS key as outlined below or in the system MENU as outlined in Section 4.7.3.1. Below are the messages and their meanings:
Message | Meaning | Message | Meaning |
FIRE | fire | ADRIFT | drifting |
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FLOODNG | flooding | UNDESIG | undesignated |
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COLLISN | collision | ABNDSHP | abandoning ship |
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AGROUND | run aground | PIRACY | piracy |
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LISTING | listing | MANONBD | man overboard |
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SINKING | sinking |
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