IftheAutochannelchangefunctionisenabled;10secondsafterreceiptofadistresscalltheradio
willautomaticallyre-tunetochannel16.Otherwisetheuserispromptedtochangechannelmanually.
Thedetailsofthedistresscallarerecordedinthedistresslogandtheenvelopeiconwillflashtolet
youknowamessagehasbeenreceived.WhenconnectedtoaRaymarine
®
multifunctiondisplay
(MFD)thepositiondatafromthedistresscallcanalsobedisplayedintheChartapplication.
WhenthereceiveddistresscallisacknowledgedbytheCRSorbyanotherstationtheradiowill
resumenormaloperation.
Ignoringadistresscall
Y oucanignoreadistresscallbymutingthealarmandcancellingthedistresscallscreen.
Ifyourradioisalreadytunedtotheprioritychannelthenthe
Ignoreoptionwillnotbeavailable.
Withanincomingdistresscalldisplayed.
1.Select
Ignorefromtheoptionsdisplayed.
Normaloperationisresumed.
Acknowledgingadistresscall
Distresscallsmustonlybeacknowledgedifthecallcontinueswithoutacknowledgementfroma
CRS,youarecloseenoughtothedistressedvesseltobeofassistanceandarepreparedtorelay
thedistresstoaCRSbyanymeanspossible.ClassDDSCradiosareforbiddenfromautomatically
acknowledgingdistresscalls.Acknowledgementmustonlybemadebyvoicemessageonchannel
16.
Afterreceivingadistresscallthathasgoneunanswered:
1.Switchtochannel16tolistenforthedistressvoicemessage.
2.WaitfortheCRStoacknowledgethecall.
3.Ifthedistresscallisnotacknowledgedbyanotherstationthenacknowledgethecallasfollows:
MAYDAY
(MMSIofthevesselindistress)
Nameofvesselindistress<repeated3times>
Callsignofthevesselindistress
Thisis<MMSIofyourvessel>,<nameofyourvesselrepeated3times><callsignofyourvessel>
RECEIVEDMAYDAY
4.Y ouMUSTthennotifytheshoreauthoritiesbyanymeanspossibletorelaythedistresscall.
Manuallyrelayingadistresscall
Adistressrelayshouldonlybesentif:thepersonorvehicleindistressisunabletotransmitthe
distresscallitself,forexampleredflaressightedatnightorthepersonorvehicleindistressisoutof
rangeofaCRSandyouhavealreadyacknowledgedthedistressbyvoicemessage.Y oucanalso
relayareceiveddistressrelayalertmanuallyifitgoesunanswered.
1.Switchtochannel16
2.Slowlyandclearlyspeakthedetailsofthedistress:
MAYDAYRELAY,MAYDAYRELAY,MAYDAYRELAY
Thisis<MMSIofyourvessel,nameofyourvesselrepeated3timesandyourcallsign>
ReceivedthefollowingMAYDAYfrom<MMSIofvesselindistress,nameofvesselindistress,
callsignofvesselindistress>
Messagebegins
Messagereceivedfromvesselindistressordetailsofthedistress
Messageends
OVER
Distressrelayssentbyotherstations
WhenaCoastStationoranothervessel,hasreceived,andacknowledgedaDSCdistressalertitmay
transmitadistressalertrelaytoothervesselsintheimmediatearea.
Distressrelayssentfromotherstationscanbereceivedbytheradio.
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