NorthStar Navigation Explorer 721US, Explorer 721EU Receive a Distress Call RCV Distress

Page 38

6-2 Receive a Distress Call (RCV: DISTRESS)

RCV: DISTRESS

123456789

FLOODING

ESC –> EXIT

RCV: DISTRESS

10:34 UTC

82º50.003'N

27º45.543'W

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

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 aren’t specified, they’re replaced with sequences of 9s and 8s respectively.

The radio 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 60 ft (20 m).

6-3 Receive a Distress Relay (RCV: DISTRESS RELAY)

RCV: DISTRESS

RELAY

123456789

ESC –> EXIT

An alert sounds when a distress relay (DISTRESS RELAY) is received from an individual or from an All Ships transmission. 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.

6-3 Relay a Distress Call from the Distress Log (RELAY)

You can relay a Distress Call in your Distress Log to an Individual or to All Ships.

VHF721

DELETE

SAVE MMSID

> RELAY

RELAY

>INDIV RELAY ALL RELAY

INDIV RELAY

>MANUAL NEW BUDDY1 BUDDY2

1.Press CALL/MENU to enter the DSC CALL menu, then select DIST LOG (see Section 5.8).

2.The most recently received distress call Is the first entry (01) in the Distress Log. Select the distress call that you want to relay, then select RELAY.

3.Now select either:

•INDIV RELAY to relay the distress call to an individual and select MANUAL NEW if the person is not in your buddy list, otherwise scroll to the name of your buddy. Press ENT or push the rotary knob. (If you selected MANUAL NEW, you need to enter the user MMSID then press ENT or push the rotary knob.)

•ALL RELAY to relay the distress call to All Ships then press ENT or push the rotary knob.

4.The radio automatically selects CH16 and displays the details of the distress call on the screen.

5.Press ENT or push the rotary knob to relay the Distress Call.

38

Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual

Page 37 Page 39
Image 38
Page 37 Page 39
Contents Explorer 721US / 721EU Important Safety Information Contents Send and Receive DSC Calls Industry Canada General Information FeaturesHow to Display and Navigate Menus Customize your Northstar VHF RadioNormal Menu Mode Edit Mode Push Space How to Enter or Change Alphanumeric DataLCD Symbols and Meanings Symbol How the Microphone and Optional Handset Work Together Basic Operation and Key Functions Menu see and the DSC set up menu see Section CH2 or CH3 symbol disappears off the LCDWeather alert mode is on Then push to backupMatically exits you from menu mode and stops scanning Power transmission setting is incorrectComplete listing of channel charts You must release PTT to receive a signalRadio Menu Options Menu Show Weather, SNR or Happy Fish on Handset Info Data Edit an Entry Maintain Your Buddy List Buddy ListAdd an Entry Set Local Sensitivity Local or Distance Sensitivity LOCAL/DISTSet Distance Sensitivity Backlighting Backlight and Contrast ContrastGPS Data and Time GPS/DATA Set the Backlighting LevelSet the Contrast Level Manually Enter Position and UTC Time ManualTime Offset GPS/DATA Manual SettingLocal Time Time Offset Position Display Options LL display Select GPS/DATA, then Setting Select LL DisplayTime Display Options Time Display Course & Speed Display Options COG/SOGGPS Simulator GPS SIM Reset to Factory Defaults ResetGPS Alert Options Alert Select GPS SIM, then select on or OFF as desiredSelect the Channel Bank UIC Radio Setup Menu Radio SetupRadio Setup Menu Options Radio Setup Internal Speaker Connections INT Speaker Ring and Beep Volume Ring Volume and KEY BeepChange Channel Names CH Name Weather Alert WX Alert Set the Priority Channel Watch ModeSelect Radio SETUP, then WX Alert Nmea or Navbus protocol COM PortSelect Radio SETUP, then COM Port Select Baro & Temp Barometric Displays Baro SensorSet the Temperature Units Units Switch the Barometric Display on or OFF Baro DisplyTemperature Display Temperature Calibrate the Temperature Reading CALMaintain Your Groups Group Setup DSC Setup MenuDSC Setup Menu Options Create a Group Group SetupEdit Group Name or Group Mmsid Response to Individual Calls Indiv ReplyEnter or Edit Your Atis Mmsid Enable Atis Functionality Atis FuncAtis Mmsid & Atis Functionality Response Type to LL Polling Calls LL Reply Select DSC SETUP, then LL ReplyDSC Functionality DSC Func Push the rotary knob to confirmDSC Call Menu Options What is DSC?Send and Receive DSC Calls Retry a Routine Call Distress only when there’s a distress situationCall an Individual Individual Acknowledge an Individual Incoming CallCall All Ships ALL Ships Call the Most Recent Caller Last CallCall a Group Group This facility is useful and used frequentlySet the channel and continue as explained in Section Call using the Call Log Call LOGCall using the Distress Log Dist LOG DSC Call Call LOG Dist LOG LL Request Request the LL Position of a Buddy LL RequestTrack Your Buddy Track Buddy SET Buddy BUDDY1 On OFFReceive an All Ships Call RCV ALL Ship Receive an Individual Call RCV IndivReceive a Polled Position Call Rcvposition Receive a Group Call RCV GroupReceive a Geographic Call RCV Geograph Receive a Distress Acknowledgement Distress ACK Distress CallsSend a Distress Call Open the red cover labelled DistressRelay a Distress Call from the Distress Log Relay Receive a Distress Call RCV DistressReceive a Distress Relay RCV Distress Relay GPS/NMEA input Yes Comm. port Baud NMEA, 38400 baud Navbus Appendix a Technical SpecificationsNorthstar Explorer 721US and 721EU Rotary channel selector YesChannel Naming Yes TransmitterAppendix B Troubleshooting Appendix C VHF Marine Channel Charts International EU-DSC onSpecial Notes on International Channel Useage Page USA Channel Chart Send Receive Traffic Type Ship Name TAG Wx03 RX Only 162.475 Wx01 RX Only 162.550Wx02 RX Only 162.400 Wx04 RX Only 162.425Canada Channel Chart 62A 156.125 Canadian Coast Guard Yes 28B RX Only 162.000 Public Correspondence, RX Only156.025 160.625 Public Correspondence, Duplex Yes 156.225 160.825 Public Correspondence, Duplex YesWeather EU Inland Waterway Channels Country Specific Digital selective calling for distressAIS 156.85162 Page Appendix D Mmsid and License Information Checklist Install the ExplorerInstallation Options There are two ways to install the radio. You can chooseGimbal Installation Recessed Installation Change the Viewing AngleConnectors are on the rear of the base unit, as follows Install the Microphone Bulkhead MountDrill the two pilot screw holes where marked Connect the Radio CablesEnter Your User Mmsid Set Up the RadioMmsid Store Cancel User Mmsid Input Again GND. a ground connection is not usually requiredCompleted Installation with Optional Handset 0560
Top Page Image Contents