Receiving a Distress Call Distress | NorthStar Navigation 710 VHF

6-2 Receiving a Distress Call (DISTRESS!)

RCV: DISTRESS

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FLOODING

ESC –> EXIT

RCV: DISTRESS

10:34 UTC

82º50.003'N

27º45.543'W

1.An alert sounds when a distress call (DISTRESS!) is received. Press any key to cancel the alert. You do not need to send an acknowledgement.

2.The radio automatically selects CH16 and displays the details of the distress call on the screen. Press PTT to establish voice contact.

The details are displayed over two screens that alternate every 1.5 seconds; the ﬁrst screen shows the user MMSID and nature of the emergency (if speciﬁed), the second screen shows the time and the location (if speciﬁed). If the location and time are not speciﬁed, these are replaced with sequences of 9s and 8s respectively.

The VHF710 is capable of receiving enhanced LL position data if the vessel transmitting the Distress Call is sending this. This provides the position of the distressed vessel to within 20 m (60ft).

6-3 Distress Acknowledgement (distress ack) or Relay

RCV: DISTRESS

RELAY

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ESC –> EXIT

An alert sounds when a Distress Relay (DISTRESS RELAY) is received. Press any key to cancel the alert.

Try to make voice contact with the calling vessel. Maintain a listening watch on CH16 and standby to lend assistance.

For a Distress Acknowledgement (DISTRESS ACK) sent from the Coast Guard, your radio automatically cancels Distress Mode transmissions and CH16 appears. Press PTT to establish voice contact with the Coast Guard.

The Coast Guard is the only agency allowed to send a Distress Acknowledgement (DISTRESS ACK).

33	Northtstar Explorer VHF Series: 710US, 710EU Operation and Installation Manual

Image 33

NorthStar Navigation 710 VHF Receiving a Distress Call Distress, Distress Acknowledgement distress ack or Relay

Contents

Explorer 710 VHF Important Safety Information Contents RF Emissions Notice Features General InformationCustomizing your Northstar VHF Radio How to Display and Navigate Menus How to Enter Alphanumeric DataLCD Symbols and Meanings WX ALT HI LOBusy PRI Basic Operation and Key Functions VOL/PWRSQL UIC 3CHDIM Scan ESC ENTCALL/MENU Menu Radio Menu Options Menu Edit an Entry Maintain Your Buddy List Buddy List Set Distance Sensitivity Local or Distance Sensitivity LOCAL/DISTSet Local Sensitivity Backlighting Backlight and Contrast Contrast Set the Contrast Level Set the Backlighting LevelGPS Data and Time GPS/DATA Manually Enter Position and UTC Time Manual GPS/DATA Manual Setting Local Time Time OffsetTime Offset Time Display Options Time Display Position Display Options LL displayCourse & Speed Display Options COG/SOG GPS Alert Options Alert Reset to Factory Defaults ResetGPS Simulator Simulator Select GPS SIM, then select on on or OFF oﬀ as desired Radio Setup Menu Radio Setup Radio Setup Menu Radio SetupChannel Names CH Name Set the Priority Channel Watch Mode Ring & Beep Volume Ring VOL and Beep VOLSelect Radio SETUP, then INT Speaker Internal Speaker Connections INT Speaker Radio Setup INT Speaker Watch Mode WX Alert OFF Select Radio SETUP, then WX AlertWeather Alert Wx Alert Nmea protocol COM Port DSC Setup Menu Options DSC Setup Menu DSC SetupEnter Your User Mmsid User Mmsid Mmsid Create a Group Group Setup Maintain Your Groups Group SetupSelect DSC SETUP, then Group Setup Edit Group Name Details Response to Individual Calls Indiv Reply Delete a GroupAtis Mmsid & Atis Functionality Enter or Edit Your Atis Mmsid DSC Setup Indiv Reply Atis Mmsid Atis Func On OFF Enable Atis Functionality Atis FuncDSC Setup Group Setup Indiv Reply DSC Func On OFF DSC functionality options DSC Func DSC Setup LL Reply Indiv Reply AutoDSC Func Manual LL Reply OFF Sending DSC calls Sending and Receiving DSC Calls Make a Routine Call Individual Retrying a Routine CallAcknowledgement of an Individual Incoming Call Indiv Call All Ships ALL Ships Call a Group Group Call using the Call Log Call LOG Call using the Distress Log Dist LOGSet the channel and continue as explained in Section Request the LL Position of a Buddy LL Request Receiving DSC CallsReceiving an All Ships Call ALL Ships Receiving a Group Call Group Receiving a Geographic Call GeographReceiving a Polled Position Call Position Distress Calls Sending a Distress CallOpen the red cover labelled Distress Distress Acknowledgement distress ack or Relay Receiving a Distress Call DistressRCV Distress Flooding ESC Exit RCV Distress Northstar VHF 710 US.EU Appendix a Technical Specifications Receiver TransmitterFrequency 156.025 163.275 MHz UV distant / 2.5 uV local Appendix B Troubleshooting International EU-DSC on Appendix C VHF Marine Channel Charts Special Notes on International Channel Useage Page USA Channel Chart Send Receive Traffic Type Ship Name TAG Canadian Weather Channel Canada WX Noaa Weather Channel Noaa WX Canadian CG Canada Channel Chart Pleasure Ship Ship Weather Digital selective calling for distress EU Inland Waterway Channels Country Specific 156.85 162AIS Page Special Channels Appendix D Mmsid and License Information Installation Section Checklist pictured over Installation Options Checklist middle picture opposite Gimbal Installation Recessed Installation picture below Connecting the RadioChanging the Viewing Angle Wiring Details Connect the Radio Cables Rear view of base unitCable Pinout Color User Mmsid 800.628.4487 978.897.6600978.897.7241 PO Box