NorthStar Navigation Explorer 721EU DSC Functionality DSC Func, Select DSC SETUP, then LL Reply

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DSC SETUP

INDIV REPLY

ATIS MMSID

> ATIS FUNC

ATIS FUNC

>ON OFF

It’s not possible to have both ATIS ON and DSC ON simultaneously. When you enable one, the other will turn OFF. If DSC and ATIS are both OFF, you must turn DSC ON for normal DSC operation.

The annunciator on the LCD shows you the current mode: if the DSC annunciator is shown, DSC is operational; if the ATIS annunciator is shown, ATIS is operational.

4-6 DSC Functionality (DSC FUNC)

DSC functionality can be disabled but this is not recommended.

DSC SETUP

GROUP SETUP

INDIV REPLY

> DSC FUNC

DSC FUNC

>ON OFF

1.Select DSC SETUP, then DSC FUNC.

2.The cursor is at ON. Press ENT or push the rotary knob to enable the DSC functionality and automatically disable ATIS functionality. The DSC annunciator appears on the screen.

It’s not possible to have both ATIS ON and DSC ON simultaneously. When you enable one, the other will turn OFF. If DSC and ATIS are both OFF, you must turn DSC ON for normal DSC operation.

The annunciator on the LCD shows you the current mode: if the DSC annunciator is shown, DSC is operational; if the ATIS annunciator is shown, ATIS is operational.

4-7 Response Type to LL Polling Calls (LL REPLY)

You can set up the radio to respond to an LL polling request in one of three ways:

AUTO automatically replies to an incoming LL polling request from any of your buddies.

MANUAL reply manually or ignore to each incoming LL polling request from your buddies.

OFF ignores all incoming LL polling requests. from your buddies.

DSC SETUP		LL REPLY	1.	Select DSC SETUP, then LL REPLY.
DSC SETUP		LL REPLY	2.	Select your mode of response and press ENT or
INDIV REPLY		> MANUAL	2.	Select your mode of response and press ENT or
INDIV REPLY		> MANUAL		push the rotary knob to conﬁrm.
DSC FUNC		AUTO		push the rotary knob to conﬁrm.
DSC FUNC		AUTO
> LL REPLY		OFF

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 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 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 Edit an Entry Maintain Your Buddy List Buddy ListAdd 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 ManualTime Offset GPS/DATA Manual SettingLocal Time Time 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 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 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 MmsidEnter or Edit Your Atis Mmsid Enable Atis Functionality Atis FuncAtis Mmsid & Atis Functionality DSC Functionality DSC Func Select DSC SETUP, then LL ReplyResponse Type to LL Polling Calls LL Reply Push the rotary knob to conﬁrmDSC Call Menu Options What is DSC?Send and Receive DSC Calls 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 frequentlySet the channel and continue as explained in Section Call using the Call Log Call LOGCall using the Distress Log Dist LOG 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 Polled Position Call Rcvposition Receive a Group Call RCV GroupReceive a Geographic Call RCV Geograph Send a Distress Call Distress CallsReceive a Distress Acknowledgement Distress ACK 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 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 SpecificAIS 156.85162 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