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4-34 Operation with a Full Function Handset
5. When this prompt appears, release the DISTRESS key. The unit is
switched to Channel 16, displays the message AWAIT ACK, and
monitors channel 70 for an acknowledgment.
release
DISTRESS
dSr stops flashing and the distress alarm sounds continuously. The
unit retransmits the DISTRESS call at random intervals of 3.5 to 4.5
minutes, until a response is received or the call is manually cancelled.
Note: When a Distress Call is sent, the unit emits a VERY LOUD distress
alarm tone. To mute the alarm without interrupting the Distress Call,
press and release CLR. The radio will remain in DSC mode.
To exit the Distress mode, press the CLR key and hold for 3 seconds. The
unit reverts to the state it was in before the call was initiated.
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.
The message and alert are repeated until the CLR key is pressed.
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.
Note: If a Distress Call is transmitted in error, you should notify other
vessels that no real emergency exists. On Channel 16, announce your
name, the vessel's name, and your MMSI number then state that the
Distress call was sent by accident and should be disregarded.
4.4.16.9 Receiving a Distress Call
When a Distress call is received, the DSC indicator flashes, dSr appears
on the 7-segment display, and the DSC Distress alert is sounded. On the
dot matrix display are scrolled RECEIVED, DISTRESS, the type of distress,
the MMSI number, the transmitting time, the latitude, and longitude of the
transmitting station.