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NorthStar VHF Marine Radio Explorer 721EU Operation And Installation Manual

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Explorer 721US / 721EU
VHF Marine Radio
Operation and Installation Manual
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  • Page 1 Explorer 721US / 721EU VHF Marine Radio Operation and Installation Manual www.northstarnav.com...
  • Page 2 Please read carefully before installation and use. This is the safety alert symbol. It is used to alert you to potential personal injury hazards, Obey all safety messages that follow this symbol to avoid possible injury or death. WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury CAUTION indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury.

  • Page 3: Table Of Contents

    Contents Section 1 - General Information ...6 1-1 Features ................6 1-2 Customize your Northstar VHF Radio .
  • Page 4 4-7 Response Type to LL Polling Calls (LL REPLY) ........29 4-8 Mute the Notification Ring Tone (LL RING) .
  • Page 5 7-7 Install the Microphone Bulkhead Mount .........58 7-8 Connect the Radio Cables .

  • Page 6: Section 1 - General Information

    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 •...

  • Page 7: How To Enter Or Change Alphanumeric Data

    2. Only four menu items can be displayed at any one time on the LCD. Press CH + or CH - to scroll up and down the menu until the cursor is positioned at the desired option. Press ENT or push the rotary knob to display that option.
  • Page 8 These symbols may not appear at all or may be shown in a different location on the optional handset. Symbol Meaning Transmitting. HI LO Transmission power. High (HI) 25 W or Low (LO) 1 W. Weather channel. WX ALT Weather Alert. Alarm beeps will sound. 721US only. BUSY Receiver busy with an incoming signal.

  • Page 9: How The Microphone And Optional Handset Work Together

    Baro Graph. A histogram of barometric pressure readings over the past 24 hours. The high-resolution histogram centers automatically if the range goes off scale. Readouts are taken even when the engine and radio have been powered down (with typically less than 3mA of current drain). A typical operational display on base unit LCD: A typical operational display on Optional Handset LCD: 1-6 How the Microphone and Optional Handset Work Together...

  • Page 10: Basic Operation And Key Functions

    1-7 Basic Operation and Key Functions All possible keys on the base unit, the microphone, and the optional handset are listed and their functions are explained. NOTE: Some keys or functions may not be available on your particular model of base unit, microphone, or optional handset.
  • Page 11 To add a favorite channel for the fi rst time, select that channel then hold 3CH to store it in the CH1 location. Repeat the procedure to store two more favorite channels in the CH2 and CH3 locations respectively. If you try and add another favorite channel it will overwrite the existing CH3. CH1 and CH2 remain unless you delete them.
  • Page 12 info Information. Press on the base MIKE to toggle through the INFO display to show the barometric historgram, the barometric readout and temperature, or the Signal- to-Noise Ratio (SNR). Transmission Power. High (HI) 25 W or Low (LO) 1 W. Press to toggle between high or low transmission power for the entire channel bank.

  • Page 13: Section 2 - The Radio Menu (Menu)

    Section 2 - The Radio Menu (MENU) Hold down CALL/MENU to show the radio menu options. Sections 1-3 and 1-4 explain how to navigate around the menu and enter, save and change data. 2-1 The Radio Menu Options (MENU) INFO DATA (Handset only) y y BUDDY LIST LOCAL/DIST BACKLIGHT...

  • Page 14: Show Weather, Snr Or Happy Fish On Handset (Info Data)

    2-2 Show Weather, SNR or Happy Fish on Handset (INFO DATA) If you have the optional handset installed, you can use INFO DATA to show the local weather forecast (e.g. SUNNY) and a digital readout of the current barometric pressure (mb or in-Hg) and the channel name on the handset LCD.

  • Page 15: Maintain Your Buddy List (Buddy List)

    2-3 Maintain Your Buddy List (BUDDY LIST) Use the Buddy List to store the names and associated MMSIDs of 20 favorite people. Names are stored in the order of entry, with the most recent entry shown fi rst. MENU SELECT >BUDDY LIST The following sections show to use BUDDY LIST to add, edit, and delete entries in LOCAL/DIST...

  • Page 16: Local Or Distance Sensitivity (Local/Dist)

    2-3-3 Delete an Entry BUDDY LIST BUDDY LIST > MANUAL NEW ALEX Select BUDDY LIST. Press ENT or push the rotary knob to display the list of entries. Scroll down (if required) to the entry you want to delete and press ENT. Select DELETE then select YES.

  • Page 17: Gps Data And Time (Gps/Data)

    2-5-1 Set the Backlighting Level Select BACKLIGHT. BACKLIGHT Use CH + or CH - to select a comfortable backlight level. Press ENT or push the rotary knob to confi rm the new level and return to the PRESS ENT menu. 2-5-2 Set the Contrast Level Select CONTRAST.
  • Page 18 2-6-2 Local Time (TIME OFFSET) The local time can be set by entering the time off set between UTC and local time as follows. GPS/DATA MANUAL >SETTING Select GPS/DATA, then SETTING. Select TIME OFFSET to enter the diff erence between UTC and local time. Half hour increments can be used with a maximum off...
  • Page 19 2-6-3 Time Format Options (TIME FORMAT) Time can be shown in 12 or 24 hour format. GPS/DATA MANUAL > SETTING 1. Select GPS/DATA, then SETTING. 2. Select TIME FORMAT. 3. Select 12 Hr or 24 Hr as desired. In this example, 12 hour format has been selected so the LCD shows the AM or PM suffix.

  • Page 20: Gps Simulator (Gps Sim)

    2-6-7 GPS Alert Options (ALERT) The GPS alert is usually set to ON so that if the GPS navigation receiver is disconnected, the alarm sounds. GPS/DATA LL DISPLY COG/SOG > GPS ALERT 2-7 GPS Simulator (GPS SIM) The GPS Simulator is set to OFF whenever the radio is turned ON or whenever real GPS data is available through the COM port.

  • Page 21: Section 3 - The Radio Setup Menu (Radio Setup)

    Section 3 - Radio Setup Menu (RADIO SETUP) Hold down CALL/MENU then scroll down and select RADIO SETUP. Press ENT or push the rotary knob to show the RADIO SETUP menu options. Sections 1-3 and 1-4 explain how to navigate around the menu and enter, save and change data. 3-1 The Radio Setup Menu Options (RADIO SETUP) Select the channel bank (721US only) UIC (721US only)

  • Page 22: Ring And Beep Volume (Ring Vol) And (Key Beep)

    3-3 Change Channel Names (CH NAME) The channel charts are listed in Appendix C with their default name tags. CH NAME gives you the option to edit or delete the channel name tags displayed on the screen. RADIO SETUP > CH NAME RING VOLUME KEY BEEP EDIT CH NAME...

  • Page 23: Set The Priority Channel (Watch Mode)

    3-6 Set the Priority Channel (WATCH MODE) If you have the 721EU, watch mode is similar to a dual watch, scanning between the priority channel and the working channel. CH16 is the priority channel. If you have the 721US and are operating on USA or Canadian channel banks, you can set the priority channel to cover both CH16 and CH09 as well as the working channel, as follows: RADIO SETUP KEY BEEP...

  • Page 24: Barometric Displays (Baro Sensor)

    3-8-2 NAVMAN GPS data source (GPS SOURCE) RADIO SETUP COM PORT WATCH MODE WX ALERT > GPS SOURCE > COM PORT Select RADIO SETUP, then COM PORT. Select GPS source, then select NAVBUS. The cursor is at ON. Press ENT or push the rotary knob to confi rm the setting and return to the menu. 3-8-3 Use the 721 as barometric pressure and temperature data source (BARO &...

  • Page 25: Temperature Display (Temperature)

    3-9-2 Switch the Barometric Display ON or OFF (BARO DISPLY) RADIO SETUP WX ALERT COM PORT > BARO SENSOR Select RADIO SETUP, then BARO SENSOR. Select BARO DISPLY. The cursor is at LCD OFF. Press ENT or press the rotary knob to switch OFF the barometric display on the base unit, or select LCD ON to show the barometric display on the base unit.

  • Page 26: Section 4 - The Dsc Setup Menu (Dsc Setup)

    Section 4 - DSC SETUP Menu A valid user MMSID must be entered to access the DSC functions. If you don’t have a user MMSID, see Appendix D. Hold down CALL/MENU then scroll down and select DSC SETUP. Press ENT or push the rotary knob to show the following DSC SETUP menu options.

  • Page 27: Response To Individual Calls (Indiv Reply)

    DSC SETUP GROUP SETUP USER MMSID > GROUP SETUP INDIV REPLY If you make an error, select < and press ENT to backup and correct the entry (721US) or CLR and ENT (721EU). Enter the group MMSID. The fi rst number is always 0. Press ENT or push the rotary knob to confi rm the entry.

  • Page 28: Atis Mmsid & Atis Functionality

    conversation. A manual response asks if you want to acknowledge the call, and then asks if you want to converse with the caller. DSC SETUP INDIV REPLY USER MMSID GROUP SETUP > INDIV REPLY 4-5 ATIS MMSID & ATIS Functionality 721EU only.

  • Page 29: Dsc Functionality (Dsc Func)

    DSC SETUP ATIS FUNC INDIV REPLY ATIS MMSID > ATIS FUNC 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;...

  • Page 30: Section 5 - Send And Receive Dsc Calls

    Section 5 - Send and Receive DSC Calls A valid user MMSID must have been entered to access the DSC functions. If you don’t have a user MMSID, see Appendix D. Press CALL/MENU to show the DSC CALL menu. This shows the different types of DSC call that you make.

  • Page 31: Call An Individual (Individual)

    5-3 Call an Individual (INDIVIDUAL) INDIVIDUAL ROUTINE > ROUTINE SAFETY URGENCY 012345678 12345678 INDIVIDUAL INDIVIDUAL ROUTINE ROUTINE > SEND? CALLING... You can call anyone who has a radio with DSC functionality. You can set the priority level of the DSC call to routine, safety, urgency, or distress.

  • Page 32: Call The Most Recent Incoming Call (Last Call)

    5-4 Call the Most Recent Caller (LAST CALL) DSC CALL EXPLORER 721 INDIVIDUAL INDIVIDUAL > LAST CALL ROUTINE GROUP 10:22AM LOC This facility is useful and used frequently. Press CALL/MENU to enter the DSC CALL menu. LAST CALL is automatically selected. Press ENT or push the rotary knob to display the contact details of the most recent incoming call.

  • Page 33: Call Using The Call Log (Call Log)

    select the correct channel. The radio asks for confi rmation 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 11 VHF721 GROUP...

  • Page 34: Request The Ll Position Of A Buddy (Ll Request)

    5-9 Request the LL Position of a Buddy (LL REQUEST) DSC CALL LL REQUEST CALL LOG DIST LOG > LL REQUEST channel name LL REQUEST AWAITING ACK Press CALL/MENU to enter the DSC CALL menu, then select LL REQUEST. Select the buddy whose LL position you want to request then press ENT or push the rotary knob to send the request.

  • Page 35: Receive An All Ships Call (Rcv: All Ships)

    Start Tracking as follows: DSC CALL TRACK BUDDY DIST LOG LL REQUEST > TRACK BUDDY Press CALL/MENU to enter the DSC CALL menu, then select TRACK BUDDY. Select START TRACK, then select YES. The START TRACK display changes to STOP TRACK. To stop tracking at any time, just select YES.

  • Page 36: Receive A Group Call (Rcv: Group)

    5-12 Receive a Group Call (RCV: GROUP) When you receive notifi cation of a GROUP call, press any key to cancel the alert. The RCV: GROUP radio automatically selects the channel designated in the incoming call. GP: RD GROUP The priority level is always routine, and the group is identifi ed on the screen. The VHF721 group will be one of the three groups of frequently called people that you set up ROUTINE...

  • Page 37: Section 6 - Distress Calls

    Section 6 - Distress Calls A valid user MMSID must have been entered to access this DSC function. If you don’t have a user MMSID, see Appendix D. IMPORTANT: This Northstar radio is designed to generate a digital maritime distress call to facilitate search and rescue.

  • Page 38: Receive A Distress Call (Rcv: Distress)

    6-2 Receive a Distress Call (RCV: DISTRESS) RCV: DISTRESS RCV: DISTRESS 123456789 10:34 UTC FLOODING 82º50.003'N ESC –> EXIT 27º45.543'W 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).

  • Page 39: Appendix A - Technical Specifications

    Appendix A - Technical Specifications Northstar Explorer 721US and 721EU GENERAL Power Supply: Current drain: Transmit Current drain: Receive Baro sampling (radio off ): Useable channels: Mode: Handset PHYSICAL LCD display (viewing): Contrast control: Backlight control: Antenna connector: Temperature Range: Waterproof: Dimensions: Weight:...
  • Page 40 Channel Naming: Tri watch, favorite channel scan: All scan: User programmable MMSID: MMSID and NAME directory: TRANSMITTER Frequency: Output power: Transmitter protection: Max Freq deviation: Spurious & harmonics: Modulation distortion: RECEIVER Frequency: 12 dB SINAD sensitivity: Adjacent CH selectivity: Spurious response: Intermodulation rejection ratio: Residual Noise level: Audio output power:...

  • Page 41: Appendix B - Troubleshooting

    Appendix B - Troubleshooting 1. The transceiver will not power up. A fuse may have blown OR there is no voltage getting to the transceiver. a) Check the power cable for cuts, breaks, or squashed sections. b) After checking the wiring, replace the 7 Amp fuse (a spare fuse is supplied). c) Check the battery voltage.

  • Page 42: Appendix C - Vhf Marine Channel Charts

    Appendix C - VHF Marine Channel Charts C.1 International (EU-DSC ON) EU countries have special channeling requirements and the radio is cloned to match the market requirements. NOTE For assistance in understanding the Table, see notes a) to o) below. (WRC-2000) Channel Notes designator...
  • Page 43 Channel Notes designator stations 156,800 156,825 156,850 156,875 156,900 156,925 156,950 156,975 157,000 157,025 157,050 157,075 157,100 m), o) 157,125 m), o) 157,150 m), o) 157,175 m), o) 157,200 m), o) 157,225 m), o) 157,250 m), o) 157,275 m), o) 157,300 m), o) 157,325...
  • Page 44 The frequencies in this Table may also be used for radiocommunications on inland waterways in accord- ance with the conditions specifi ed in No. 5.226. – 56 – 62238 IEC:2003(E) Administrations having an urgent need to reduce local congestion may apply 12,5 kHz channel interleav- ing on a non-interference basis to 25 kHz channels, provided: –...
  • Page 45 C.2 USA Channel Chart SEND RECEIVE (MHz) (MHz) 156.050 156.050 156.150 156.150 156.250 156.250 156.300 156.300 156.350 156.350 156.400 156.400 156.450 156.450 156.500 156.500 156.550 156.550 156.600 156.600 156.650 156.650 156.700 156.700 RX Only 156.750 156.800 156.800 156.850 156.850 156.900 156.900 156.950 156.950 157.000 161.600 157.000 157.000...
  • Page 46 SEND RECEIVE (MHz) (MHz) 156.075 156.075 156.175 156.175 156.225 156.225 156.275 156.275 156.325 156.325 156.375 156.375 156.425 156.425 156.475 156.475 156.525 156.525 156.575 156.575 156.625 156.625 156.675 156.675 156.725 156.725 156.875 156.875 156.925 156.925 156.975 156.975 157.025 157.025 157.075 157.075 157.125 157.125 157.175 157.175 157.225 161.825...
  • Page 47 WEATHER Wx01 RX Only 162.550 Wx02 RX Only 162.400 Wx03 RX Only 162.475 Wx04 RX Only 162.425 Wx05 RX Only 162.450 Wx06 RX Only 162.500 Wx07 RX Only 162.525 Wx08 RX Only 161.650 Wx09 RX Only 161.775 Wx10 RX Only 163.275 SPECIAL NOTES ON USA CHANNEL USAGE LOW POWER (1 W) only.
  • Page 48 C-3 CANADA Channel CHART SEND RECEIVE (MHz) (MHz) 156.050 160.650 156.100 160.700 156.150 160.750 156.200 156.200 156.250 156.250 156.300 156.300 156.350 156.350 156.400 156.400 156.450 156.450 156.500 156.500 156.550 156.550 156.600 156.600 156.650 156.650 156.700 156.700 156.750 156.750 156.800 156.800 156.850 156.850 156.900...
  • Page 49 SEND RECEIVE (MHz) (MHz) RX Only 162.000 156.025 160.625 156.075 156.075 156.125 156.125 156.225 160.825 156.225 156.225 156.275 156.275 156.325 156.325 156.375 156.375 156.425 156.425 156.475 156.475 156.525 156.525 156.575 156.575 156.625 156.625 156.675 156.675 156.725 156.725 156.875 156.875 156.925 156.925 156.975 156.975...
  • Page 50 WEATHER Wx01 RX Only 162.550 Wx02 RX Only 162.400 Wx03 RX Only 162.475 Wx04 RX Only 162.425 Wx05 RX Only 162.450 Wx06 RX Only 162.500 Wx07 RX Only 162.525 Wx08 RX Only 161.650 Wx09 RX Only 161.775 Wx10 RX Only 163.275 SPECIAL NOTES ON CANADA CHANNEL USAGE LOW POWER (1 W) only.
  • Page 51 C-4 EU INLAND WATERWAY CHANNELS - Country Specific For specifi c channel information for your country, please refer to local authorities. SPECIFIC FOOTNOTES FREQUENCY (MHZ) SHIP 156.025 156.05 156.075 156.1 156.125 156.15 156.175 156.2 156.225 156.25 156.275 a) b) 156.3 156.325 156.35 a) c)
  • Page 52 156.85 a) k) 156.875 156.9 156.925 156.95 156.975 157.025 157.05 157.075 157.1 l) m) 157.125 157.15 a) m) 157.175 157.2 157.225 157.25 a) m) 157.275 157.3 a) m) 157.325 157.35 a) d) 157.375 157.4 a) p) 157.425 AIS 1 a) n) 161.975 AIS 2 a) n)
  • Page 53 1.1 General remarks to frequency table 1 1.1.1 The channels for service categories ship-to-ship and nautical information may also be used for vessel traffi c-sys tems by traffi c centres. 1.1.2 In some countries, frequencies certain channels are used for another service category or other radio serv- ices.

  • Page 54: Appendix D - Mmsid And License Information

    Appendix D - MMSID and License Information You must obtain a user MMSID (Marine Mobile Service Identity) and enter it into your radio in order to use the DSC functions. Contact the appropriate authorities in your country. If you’re unsure who to contact, consult your Northstar dealer.

  • Page 55: Section 7 - Install The Explorer 721

    Section 7 - Install the Explorer 721 7-1 Installation Options There are two ways to install the radio. You can choose: • a deck or overhead mounted gimbal installation. The reversible mounting gimbal is fi xed to to a suitable site and the radio is placed into it.

  • Page 56: Gimbal Installation

    13. Two fl at screws for the microphone bulkhead mount 14. Two spring washers for the microphone bulkhead mount 15. Two plain washers for the microphone bulkhead mount 16. Two nuts for the microphone bulkhead mount 17. Two fl ush-mount brackets for recessed installation 18.

  • Page 57: Change The Viewing Angle

    Slide the radio into the mounting gimbal. Insert the two mounting knobs through the holes and tighten them suffi ciently to hold the radio at the desired viewing angle. 7-5 Change the Viewing Angle The viewing angle on the gimbal mount has a 20º tilt range. To change the current viewing angle on the gimbal mount: Support the radio, then cautiously loosen the mounting knobs until the radio can be moved.

  • Page 58: Install The Microphone Bulkhead Mount

    7-7 Install the Microphone Bulkhead Mount Hold the microphone bulkhead mount at the chosen location and use a soft pencil to mark the screw hole positions on the mounting surface. Ensure that the microphone curly cable will comfortably reach this location BEFORE you drill. Drill the two pilot screw holes where marked.

  • Page 59: Set Up The Radio

    BLACK Power wire. Connect this to the NEGATIVE (-) battery terminal. RED Power wire. Connect this to the POSITIVE (+) battery terminal. Check that a 10 Amp fuse is installed on this power cable close to the battery. ANT. A radio antenna is not supplied. A suitable radio antenna must be mounted and connected before operating the Explorer 721 radio.

  • Page 60: The Completed Installation (With Optional Handset)

    7-11 The Completed Installation (with Optional Handset) Optional Handset VHF Antenna Antenna connection cable Base unit with microphone Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual Wallplate on bulkhead Handset docking cable Northstar GPS product External speaker External speaker connection cable BLACK power...
  • Page 61 30 Sudbury Road, Acton, MA 01720, Ph: +1 978.897.6600 Fax: +1 978.897.7241 sales@bntmarine.com Gladesville, NSW 2111, Ph: +61 2 9879 9000 Fax: +61 2 9879 9001 northstaraus@northstarnav.com MN000751A-G UNITED STATES EUROPE Unit 2, Ocean Quay, Belvidere Rd, Southampton, United States SO14 5QY, England Ph: +44 2380 339922 Fax: +44 2380 330345...

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