NorthStar Navigation Explorer 721EU, Explorer 721US Receive an All Ships Call RCV ALL Ship

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Start Tracking as follows:

DSC CALL

DIST LOG

LL REQUEST

>TRACK BUDDY

TRACK BUDDY

>START TRACK SET BUDDY TRACKLIST

START TRACK

BUDDY1 OFF

BUDDY2 ON

BUDDY3 OFF

START TRACK

>YES NO

PRESS ENTER

1.Press CALL/MENU to enter the DSC CALL menu, then select TRACK BUDDY.

2.Select START TRACK, then select YES. The START TRACK display changes to STOP TRACK. To stop tracking at any time, just select YES.

As soon as you start tracking, an LL Request is sent immediately on CH70 and your radio waits for acknowledgement of the (first) buddy’s LL position to be displayed on your LCD.

Each of the selected buddies is polled for their LL positions at regular time intervals. When information is received, a friendly ringtone is sounded and the position is shown on the LCD. Press any key to cancel the display.

An LL position that is received is not stored in your radio’s log, but is broadcast over NAVBUS to the chartplotters. Press any key to acknowledge or wait for the automatic 20 second timeout.

NOTE: The Explorer 721 can receive and display the LL position data at normal or enhanced resolution.

5-10 Receive an All Ships Call (RCV: ALL SHIP)

RCV: ALL SHIP

priority

VHF721

ESC –> EXIT

When you receive notification of an ALL SHIP call, press any key to cancel the alert. The radio automatically selects CH16.

The priority level and the user MMSID are displayed on the LCD. If the radio recognises the user MMSID as one of your buddies, the buddy’s name is displayed in place of the user MMSID.

No acknowledgement is required. Press PTT to initiate voice contact on CH16 and then switch to a working channel.

The call data is stored in the Call Log (see Section 5-7).

5-11 Receive an Individual Call (RCV: INDIV)

RCV: INDIV

VHF721

ENTER –> ACK

ESC –> EXIT

INDIV ACK

VHF721

PRESS PTT

ESC –> EXIT

When you receive notification of an INDIV call, press any key to cancel the alert.

The radio automatically selects the channel designated in the incoming call. INDIV calls are almost always routine priority.

If the radio recognises the user MMSID as one of your buddies, the buddy’s name is displayed in place of the user MMSID.

The 721US responds automatically but the 721EU prompts you to press ENT or push the rotary knob to acknowledge the incoming call.

The caller should respond to your acknowledgement by making voice contact on the designated channel. If this doesn’t happen, you can press PTT to initiate voice contact instead.

The call data is stored in the Call Log (see Section 5-7).

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

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Contents Explorer 721US / 721EU Important Safety Information Contents Send and Receive DSC Calls Industry Canada Customize your Northstar VHF Radio FeaturesHow to Display and Navigate Menus General InformationNormal 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 Then push to backup CH2 or CH3 symbol disappears off the LCDWeather alert mode is on Menu see and the DSC set up menu see SectionYou must release PTT to receive a signal Power transmission setting is incorrectComplete listing of channel charts Matically exits you from menu mode and stops scanningRadio Menu Options Menu Show Weather, SNR or Happy Fish on Handset Info Data Edit an Entry Maintain Your Buddy List Buddy ListAdd an Entry Backlighting Backlight and Contrast Contrast Local or Distance Sensitivity LOCAL/DISTSet Distance Sensitivity Set Local SensitivityManually Enter Position and UTC Time Manual Set the Backlighting LevelSet the Contrast Level GPS Data and Time GPS/DATATime Offset GPS/DATA Manual SettingLocal Time Time Offset Course & Speed Display Options COG/SOG Select GPS/DATA, then Setting Select LL DisplayTime Display Options Time Display Position Display Options LL displaySelect GPS SIM, then select on or OFF as desired Reset to Factory Defaults ResetGPS Alert Options Alert GPS Simulator GPS SIMSelect 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 Nmea or Navbus protocol COM Port Set the Priority Channel Watch ModeSelect Radio SETUP, then WX Alert Weather Alert WX AlertBarometric Displays Baro Sensor Select Radio SETUP, then COM Port Select Baro & TempCalibrate the Temperature Reading CAL Switch the Barometric Display on or OFF Baro DisplyTemperature Display Temperature Set the Temperature Units UnitsCreate a Group Group Setup DSC Setup MenuDSC Setup Menu Options Maintain Your Groups Group SetupResponse to Individual Calls Indiv Reply Edit Group Name or Group MmsidEnter or Edit Your Atis Mmsid Enable Atis Functionality Atis FuncAtis Mmsid & Atis Functionality Push the rotary knob to confirm Select DSC SETUP, then LL ReplyDSC Functionality DSC Func Response Type to LL Polling Calls LL ReplyDSC Call Menu Options What is DSC?Send and Receive DSC Calls Acknowledge an Individual Incoming Call Distress only when there’s a distress situationCall an Individual Individual Retry a Routine CallThis facility is useful and used frequently Call the Most Recent Caller Last CallCall a Group Group Call All Ships ALL ShipsSet the channel and continue as explained in Section Call using the Call Log Call LOGCall using the Distress Log Dist LOG SET Buddy BUDDY1 On OFF Request the LL Position of a Buddy LL RequestTrack Your Buddy Track Buddy DSC Call Call LOG Dist LOG LL RequestReceive an Individual Call RCV Indiv Receive an All Ships Call RCV ALL ShipReceive a Polled Position Call Rcvposition Receive a Group Call RCV GroupReceive a Geographic Call RCV Geograph Open the red cover labelled Distress Distress CallsSend a Distress Call Receive a Distress Acknowledgement Distress ACKRelay a Distress Call from the Distress Log Relay Receive a Distress Call RCV DistressReceive a Distress Relay RCV Distress Relay Rotary channel selector Yes Appendix a Technical SpecificationsNorthstar Explorer 721US and 721EU GPS/NMEA input Yes Comm. port Baud NMEA, 38400 baud NavbusTransmitter Channel Naming YesAppendix B Troubleshooting International EU-DSC on Appendix C VHF Marine Channel ChartsSpecial Notes on International Channel Useage Page USA Channel Chart Send Receive Traffic Type Ship Name TAG Wx04 RX Only 162.425 Wx01 RX Only 162.550Wx02 RX Only 162.400 Wx03 RX Only 162.475Canada Channel Chart 156.225 160.825 Public Correspondence, Duplex Yes 28B RX Only 162.000 Public Correspondence, RX Only156.025 160.625 Public Correspondence, Duplex Yes 62A 156.125 Canadian Coast Guard YesWeather Digital selective calling for distress EU Inland Waterway Channels Country SpecificAIS 156.85162 Page Appendix D Mmsid and License Information There are two ways to install the radio. You can choose Install the ExplorerInstallation Options ChecklistGimbal Installation Change the Viewing Angle Recessed InstallationConnect the Radio Cables Install the Microphone Bulkhead MountDrill the two pilot screw holes where marked Connectors are on the rear of the base unit, as followsGND. a ground connection is not usually required Set Up the RadioMmsid Store Cancel User Mmsid Input Again Enter Your User MmsidCompleted Installation with Optional Handset 0560
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