NorthStar Navigation Explorer 721EU, Explorer 721US Call using the Call Log Call LOG

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select the correct channel.

3.The radio asks for conﬁrmation of the ALL SHIPS call (SEND?). Press ENT or push the rotary knob to select YES and send the call, and continue as explained in Section 5-3.

5-7 Call using the Call Log (CALL LOG)

DSC CALL

GROUP

ALL SHIPS

> CALL LOG

VHF721

INDIVIDUAL ROUTINE

> SEND?

11VHF721

INDIVIDUAL ROUTINE 10:45PM LOC

VHF721

>CALL BACK DELETE SAVE

VHF721

INDIVIDUAL

ROUTINE

> SET CHANNEL

The Call Log contains the contact details for the 20 most recent incoming calls, so you call any of them again quickly.

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

The radio displays the contact details for the most recent incoming call as the ﬁrst entry (01) in the call log.

2.Select the desired contact details. In this example, the contact details for the 11th most recent call are displayed.

To save this contact in your buddy list, select SAVE and press ENT or push the rotary knob. Enter a name for this contact. The logged MMSID is automatically displayed.

3.Press ENT or push the rotary knob to conﬁrm the call back, then set the working channel and press ENT or push the rotary knob to send the call. Continue as explained in Section 5-3.

5-8 Call using the Distress Log (DIST LOG)

The Distress Log contains the data for the 10 most recent relayed distress calls, so that you can call any of them quickly. Always try to make voice contact on CH16 ﬁrst, as follows:

1.Press CALL/MENU to enter the DSC CALL menu, then select DIST LOG.

2.The most recently received distress call is the ﬁrst entry (01) in the Distress Log. Select the entry that you want to call. The details are displayed over two screens that alternate every 1.5 seconds; the ﬁrst screen shows the location and name or MMSID of the vessel in distress, the second screen shows the nature of the emergency (if speciﬁed) and the MMSID of the vessel that relayed the distress call.

3.Set the channel and continue as explained in Section 5-3.

DSC CALL ALL SHIPS CALL LOG

> DIST LOG

VHF721

INDIVIDUAL

ROUTINE

> SET CHANNEL

02 10:03 UTC VHF721 (xxx) 82º50. N 27º45. W

VHF721

INDIVIDUAL ROUTINE

> SEND?

DISTRESS

RELAY

PIRACY

987654321

VHF721

>CALL BACK DELETE SAVE MMSID

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 How to Display and Navigate Menus FeaturesGeneral Information Customize your Northstar VHF RadioHow to Enter or Change Alphanumeric Data LCD Symbols and MeaningsNormal Menu Mode Edit Mode Push Space Symbol How the Microphone and Optional Handset Work Together Basic Operation and Key Functions Weather alert mode is on CH2 or CH3 symbol disappears oﬀ the LCDMenu see and the DSC set up menu see Section Then push to backupComplete listing of channel charts Power transmission setting is incorrectMatically exits you from menu mode and stops scanning You must release PTT to receive a signalRadio Menu Options Menu Show Weather, SNR or Happy Fish on Handset Info Data Maintain Your Buddy List Buddy List Add an EntryEdit an Entry Set Distance Sensitivity Local or Distance Sensitivity LOCAL/DISTSet Local Sensitivity Backlighting Backlight and Contrast ContrastSet the Contrast Level Set the Backlighting LevelGPS Data and Time GPS/DATA Manually Enter Position and UTC Time ManualGPS/DATA Manual Setting Local Time Time OffsetTime Offset Time Display Options Time Display Select GPS/DATA, then Setting Select LL DisplayPosition Display Options LL display Course & Speed Display Options COG/SOGGPS Alert Options Alert Reset to Factory Defaults ResetGPS Simulator GPS SIM Select GPS SIM, then select on or OFF as desiredRadio Setup Menu Radio Setup Radio Setup Menu Options Radio SetupSelect the Channel Bank UIC Ring and Beep Volume Ring Volume and KEY Beep Change Channel Names CH NameInternal Speaker Connections INT Speaker Select Radio SETUP, then WX Alert Set the Priority Channel Watch ModeWeather Alert WX Alert Nmea or Navbus protocol COM PortBarometric Displays Baro Sensor Select Radio SETUP, then COM Port Select Baro & TempTemperature Display Temperature Switch the Barometric Display on or OFF Baro DisplySet the Temperature Units Units Calibrate the Temperature Reading CALDSC Setup Menu Options DSC Setup MenuMaintain Your Groups Group Setup Create a Group Group SetupResponse to Individual Calls Indiv Reply Edit Group Name or Group MmsidEnable Atis Functionality Atis Func Atis Mmsid & Atis FunctionalityEnter or Edit Your Atis Mmsid DSC Functionality DSC Func Select DSC SETUP, then LL ReplyResponse Type to LL Polling Calls LL Reply Push the rotary knob to conﬁrmWhat is DSC? Send and Receive DSC CallsDSC Call Menu Options Call an Individual Individual Distress only when there’s a distress situationRetry a Routine Call Acknowledge an Individual Incoming CallCall a Group Group Call the Most Recent Caller Last CallCall All Ships ALL Ships This facility is useful and used frequentlyCall using the Call Log Call LOG Call using the Distress Log Dist LOGSet the channel and continue as explained in Section Track Your Buddy Track Buddy Request the LL Position of a Buddy LL RequestDSC Call Call LOG Dist LOG LL Request SET Buddy BUDDY1 On OFFReceive an Individual Call RCV Indiv Receive an All Ships Call RCV ALL ShipReceive a Group Call RCV Group Receive a Geographic Call RCV GeographReceive a Polled Position Call Rcvposition Send a Distress Call Distress CallsReceive a Distress Acknowledgement Distress ACK Open the red cover labelled DistressReceive a Distress Call RCV Distress Receive a Distress Relay RCV Distress RelayRelay a Distress Call from the Distress Log Relay Northstar Explorer 721US and 721EU Appendix a Technical SpecificationsGPS/NMEA input Yes Comm. port Baud NMEA, 38400 baud Navbus Rotary channel selector YesTransmitter 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 Wx02 RX Only 162.400 Wx01 RX Only 162.550Wx03 RX Only 162.475 Wx04 RX Only 162.425Canada Channel Chart 156.025 160.625 Public Correspondence, Duplex Yes 28B RX Only 162.000 Public Correspondence, RX Only62A 156.125 Canadian Coast Guard Yes 156.225 160.825 Public Correspondence, Duplex YesWeather Digital selective calling for distress EU Inland Waterway Channels Country Specific156.85 162AIS Page Appendix D Mmsid and License Information Installation Options Install the ExplorerChecklist There are two ways to install the radio. You can chooseGimbal Installation Change the Viewing Angle Recessed InstallationDrill the two pilot screw holes where marked Install the Microphone Bulkhead MountConnectors are on the rear of the base unit, as follows Connect the Radio CablesMmsid Store Cancel User Mmsid Input Again Set Up the RadioEnter Your User Mmsid GND. a ground connection is not usually requiredCompleted Installation with Optional Handset 0560