NorthStar Navigation Explorer 721US, Explorer 721EU General Information, Features

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Section 1 - General Information

1-1 Features

Congratulations on your purchase of a Northstar VHF Explorer 721US or 721EU marine band radio. Both of these models provide the following useful features:

•Prominent channel display and rotary channel selector knob with PRESS TO ENTER function

•Local/Distance mode to eliminate noise in high traffic areas

•Adjustable contrast settings for the LCD

•Adjustable keypad backlighting for easy night-time use

•Waterproof and submersible to comply with JIS-7

•GPS latitude and longitude (LL) and time display (when connected to a GPS)

•Info key to display barometric data and temperature, or Signal-to-Noise Ratio (SNR)

•Happy Fish symbol that indicates the fishing conditions

•Choice of High or Low (25 W or 1 W) transmission power

•Top centered PTT button for comfortable left- or right-handed use

•Powerful 4 W external audio output

•Access to all currently-available marine VHF channel banks (USA, Canada, International) including weather channels where available

•Special CH16 or CH16/9 key for quick access to the priority (international distress) channel

•Special 3CH key to select your three favorite channels

•PSCAN (similar to dual watch) facility

•DSC (Digital Select Calling) capability that meets USCG SC101 for USA, Class D Standards for EU/Canada Commercial, and Recreational Class S for Canada

•Distress call key to automatically transmit the MMSID and position until an acknowledgement is received

•Easy access to a buddy list of up to 20 favorite people

•MMSID storage for three favorite groups

•Group call and All Ships call facility

•LL position polling information and Track Your Buddy facility

•Weather alert facility. 721US only

•ATIS facility for inland waterways. 721EU only

•Alphanumeric microphone for easy, direct channel entry and information editing. 721EU only

•Useful INTERCOM facility if the optional 701US or 701EU handset is installed.

1-2 Customize your Northstar VHF Radio

You can customize the radio to suit your individual preferences. Some preferences can be set directly through the keys as explained in this section.

Other preferences are set up through the built-in menus and these are explained in the other sections.

1-3 How to Display and Navigate Menus

1.Hold down CALL/MENU to show the radio menu or

Press CALL/MENU to show the DSC call menu.

6Northstar 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 General Information FeaturesHow to Display and Navigate Menus 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 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 Maintain Your Buddy List Buddy List Add an EntryEdit 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 ManualGPS/DATA Manual Setting Local Time Time OffsetTime 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 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 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 ReplyEnable Atis Functionality Atis Func Atis Mmsid & Atis FunctionalityEnter or Edit Your Atis Mmsid Response Type to LL Polling Calls LL Reply Select DSC SETUP, then LL ReplyDSC Functionality DSC Func Push the rotary knob to confirmWhat is DSC? Send and Receive DSC CallsDSC Call Menu Options 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 frequentlyCall using the Call Log Call LOG Call using the Distress Log Dist LOGSet the channel and continue as explained in Section 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 Group Call RCV Group Receive a Geographic Call RCV GeographReceive a Polled Position Call Rcvposition Receive a Distress Acknowledgement Distress ACK Distress CallsSend a Distress Call 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 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 distress156.85 162AIS 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
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