NorthStar EXPLORER 721EU Operation And Installation Manual

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Explorer 721US / 721EU
Explorer 725US / 725EU
VHF Marine Radio
Operation and Installation Manual
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Summary of Contents for NorthStar EXPLORER 721EU

  • Page 1 Explorer 721US / 721EU Explorer 725US / 725EU VHF Marine Radio Operation and Installation Manual www.northstarnav.com...
  • Page 2 Governing Language: This statement, Copyright © 2008 Navico Holding AS. any instruction manuals, user guides and Northstar™ is a registered trademark of Navico other information relating to the product Holding AS. (Documentation) may be translated to, or...
  • Page 3: Table Of Contents

    4-4 Maintain Your Groups (GROUP SETUP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 4 E-3 License Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 5 This manual describes the operation and installation procedures for the Northstar Explorer 721/725US and 721/725EU base unit and microphone . An optional Northstar 701/705US or 701/705EU handset can be purchased and installed to provide second station operation and intercom facilities .
  • Page 6: Section 1 - General Information

    Section 1 - General Information 1-1 Features Congratulations on your purchase of a Northstar VHF Explorer 721/725US or 721/725EU marine band radio. Both of these models provide the following useful features: • Adjustable contrast settings for the LCD • Adjustable keypad backlighting for easy night-time use •...
  • Page 7: Customize Your Northstar Vhf Radio

    On the base station, use the rotary knob to enter alphanumeric data and push to ENTER the data. Normal and Menu Mode Edit Mode Press 1 Press 2 Space Press 3 Press 4 “ Press 5 “ & Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 8: Lcd Symbols And Meanings

    Shows which of the 3 favorite channels, if any, are selected. Otherwise blank. ATIS Enabled for use in European inland waterways. Otherwise blank. 721/725 EU only . DSC capability is available. A message acknowledging your DSC call is being displayed. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 9 • 3 bars by the Happy Fish indicates rising barometic trends and reasonable fishing conditions. • The weather indicates showery conditions. A typical operational display on the 701/705 Optional Handset LCD: Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 10: How The Microphone And 701 Optional Handset Work Together

    Priority Channel . 721/725EU only . Press to cancel all other modes and to tune into the priority channel, Channel 16, on high power. Press again to return to your original chan- nel. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 11 (701 hadset only.) Escape . Use ESC when navigating menus, to clear incorrect entries, to exit from a menu without saving changes, and to back up to the previous screen. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 12 You must release PTT to receive a signal. If PTT sticks, a built-in timer will automatically shut down a transmission after five minutes and sound the error beeps. This timer is required by FCC regulations. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 13: Section 2 - The Radio Menu (Menu)

    See Section 2-9 . COM PORT BARO SENSOR TEMPERATURE HAPPY FISH Turn the GPS Simulator on/off. GPS SIM See Section 2-7 . RESET (Base unit only) Reset factory settings. See Section 2-8 . Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 14: Show Weather, Snr Or Happy Fish On Handset (Info Data)

    Note: If the power supply to the radio is disconnected, the barometer trend will cease and will re-start when power is re-applied. Happy Fish and Weather may not function, or may be inaccurate for several hours after initial power up. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 15: Maintain Your Buddy List (Buddy List)

    6. Press ENT or push the rotary knob to store the changes. The buddy list is displayed again. If more changes are required, repeat Steps 2 through 6. Otherwise, press ESC to exit. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 16: Local Or Distance Sensitivity (Local/Dist)

    The microphone keypad backlighting is either ON or OFF. LOCAL/DIST • The DISTRESS key backlighting can’t be switched off. > BACKLIGHT CONTRAST Use CONTRAST to set the contrast level for the LCD. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 17: Gps Data And Time (Gps/Data)

    The vessel’s latitude and longitude are shown on the screen, with the UTC time. After entering your manual LL position, the prefix “M” in the normal GPS screen indicates a manual entry. The manual entries are cancelled if a real GPS position is received. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 18 −14 ‡ − 4 − 7 Compiled by HM Nautical Almanac Office ‡ No Standard Time legally adopted 180° 120°W 90°W 150°E 150°W 60°W 30°W 0° 30°E 60°E 90°E 120°E 180° Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 19 Select COG/SOG. TIME DISPLY > ON Select ON or OFF as desired. In this example, LL DISPLY ON has been selected, so the screen shows the > COG/SOG bearing and speed. If COG/SOG is set ON, the time is NOT displayed on the screen (see section 2-6-4). Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 20: Gps Simulator (Gps Sim)

    Select RESET. The radio asks for confirmation. MENU SELECT RESET RADIO? Select YES to reset the radio and return to the RADIO SETUP ARE YOU SURE menu. GPS SIM > RESET > NO Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 21: Subscribe Or Un-Subscribe The 705 Handset (Hs Setting)

    2. After a few seconds, the handset will display “SEARCH HOST” and no longer be subscribed to the base unit. SIGNAL LOST! SEARCH HOST PLEASE WAIT 3. The handset can be subscribed to another base unit if needed. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 22: Section 3 - Radio Setup Menu (Radio Setup)

    CH NAME INT’L Select the channel bank to use then press ENT RING VOLUME CANADA or push the rotary knob to confirm the setting and return to the menu. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 23: Change Channel Names (Ch Name)

    INT SPEAKER Select ON or OFF then press ENT or push the RING VOLUME > ON rotary knob to confirm the setting and return KEY BEEP to the menu. > INT SPEAKER Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 24: Set The Priority Channel (Watch Mode)

    NAVBUS is automatically activated when present, so that data such as barometric pressure and history, temperature, DSC polling positions and distress data are available to any other Northstar instruments using NAVBUS. However, the barometric and temperature readings from the radio can be turned OFF if you prefer to use the readings from a different instrument.
  • Page 25: Barometric Displays (Baro Sensor)

    (SUNNY, PARTLY CLOUDY, CLOUDY, RAINY, SNOW). The local air pressure trends combined with the local temperature determines which weather icon is displayed. • a digital readout of air pressure (in mb or in/Hg). • a graphical display of barometric pressure changes over the past consecutive 24 hours. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 26 The barometric functions and icons work best when calibrated to local conditions. The operating range is from 960mb to 1060mb. RADIO SETUP BARO SENSOR WX ALERT BARO UNITS COM PORT BARO DISPLY > ± 0 .00 In-Hg > BARO SENSOR > CAL Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 27: Temperature Display (Temperature)

    The Happy Fish Alarm can be turned ON or OFF. RADIO SETUP HAPPY FISH BARO SENSOR > ON TEMPERATURE > HAPPY FISH 1. Select RADIO SETUP, then HAPPY FISH. 2. Select HAPPY FISH OFF to disable all HAPPY FISH Alarms. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 28: Section 4 - Dsc Setup Menu

    4-4 Maintain Your Groups (GROUP SETUP) Use GROUP SETUP to create, edit, or delete 1, 2, or 3 groups of frequently called people stored in alphanumeric order. A group MMSI always starts with 0. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 29 Select DSC SETUP, then GROUP SETUP. Select the group that you want to delete. Select DELETE and press ENT or press the rotary knob. The radio asks for confirmation. 4. Press ENT or push the rotary knob to delete the group and return to the GROUP SETUP screen. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 30: Response To Individual Calls (Indiv Reply)

    Press ENT or push the rotary knob to store your ATIS MMSI. Enter your ATIS MMSI again as a password check, then press ENT or push the rotary knob to permanently store the ATIS MMSI and return to the menu. You can view your stored ATIS MMSI at anytime by selecting ATIS MMSI in the main menu. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 31: Dsc Functionality (Dsc Func)

    DSC SETUP LL RING Select OFF (off ) to mute the ringtones. DSC FUNC > ON Press ENT to confirm your choice and return to LL REPLY the menu. > LL RING Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 32: Section 5 - Send And Receive Dsc Calls

    Show the details of the 10 most recent distress calls. See Section 5-2-8 . LL REQUEST Request the LL position of a buddy. See Section 5-2-9 . TRACK BUDDY Operate Track Buddy functions. See Section 5-2-10 . Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 33: Call An Individual (Individual)

    SEND AGAIN? Select YES and press ENT or push the rotary knob to retry the call. If the call > YES still can’t be placed, the radio returns to normal operation. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 34: Call The Most Recent Caller (Last Call)

    5-5 Call All Ships (ALL SHIPS) DSC CALL ALL SHIPS LAST CALL > URGENCY GROUP SAFETY > ALL SHIPS ROUTINE Press CALL MENU to enter the DSC CALL menu, then select ALL SHIPS. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 35: Call Using The Call Log (Call Log)

    MMSI of the vessel in distress, the second screen shows the nature of the emergency (if specified) and the MMSI of the vessel that relayed the distress call. Select CALL BACK, set the channel and continue as explained in Section 5-3. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 36: Request The Ll Position Of A Buddy (Ll Request)

    Use the TRACKLIST option to select the buddy (or buddies) whose position you want to track, specify the time interval through the INTERVAL option and then start the track. Alternatively, if the buddy and time are already set to your preference, just start tracking. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 37 Press any key to acknowledge or wait for the automatic 20 second time out. NOTE: The Explorer 721/725 can receive and display the LL position data at normal or enhanced resolution. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 38: Receive An All Ships Call (Rcv: All Ship)

    The radio manually selects the channel designated in the incoming call by pressing the ENT key. INDIV calls are almost always routine priority. If the radio recognises the user MMSI as one of your buddies, the buddy’s name is displayed in place of the user MMSI. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 39: Receive A Group Call (Rcv: Group)

    If enhanced LL position information is available from your buddy, it’s shown on the LCD until the display changes. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 40: Section 6 - Distress Calls

    Press PTT to establish voice contact with the Search and Rescue (SAR) authority. The Search and Rescue (SAR) authorities of your country are the only instance allowed to send a Distress Acknowledgement (DISTRESS ACK). Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 41: Receive A Distress Call (Rcv: Distress)

    (If you selected MANUAL NEW, you need to enter the user MMSI then press ENT or push the rotary knob.) • ALL RELAY to relay the distress call to All Ships then press ENT or push the rotary knob. The radio automatically selects CH16 (for all relay) or manually set the working CH (INDIV RELAY) and displays the details of the distress call on the screen. Press ENT or push the rotary knob to relay the Distress Call. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 42: Appendix A - Technical Specifications

    DSC: DSC mode: USCG SC101 721US/725US DSC Class D 721EU/725EU and Canada (Commercial) DSC Class S Canada (Recreational) FEATURES Flush mounting kit: Dust cover: Rotary channel selector: Local/Distant control: Position polling: Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 43 Works only with Explorer 725US VHF705EU Works only with Explorer 725EU Power source Built-in 3.7V 750mAH Lithium Ion rechargeable battery Wireless: ISM 2.4GHz FHSS Range: Approximately 150mtrs in ideal conditions Specifications are subject to change without notice. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 44: Appendix B - Troubleshooting

    The GPS cable may faulty or the GPS setting may be incorrect. a) Check that the GPS cable is physically connected. b) Check the polarity of the GPS cable. c) Check the baud rate setting of the GPS if applicable. The baud rate setting should be 4800 for NMEA or 38400 for NAVBUS. Parity should be set to NONE. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 45: Appendix C - Vhf Marine Channel Charts

    Public Correspondence TELEPHONE 157.300 161.900 Public Correspondence TELEPHONE 157.350 161.950 Public Correspondence TELEPHONE 157.400 162.000 Public Correspondence TELEPHONE 156.025 160.625 Public Correspondence TELEPHONE 61 156 .075 160 .675 Port Operations PORT OPS Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 46: Special Notes On International Channel Usage

    This channel is only available on DSC enabled radios. Note: The INTERNATIONAL mode is not legal for use in U.S. or Canada waters. KEY: S = Simplex operating channel; D = Duplex operating channel. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 47 UNAUTHORIZED 156.175 156.175 Port Operations, VTS in Selected Areas PORT OPS/VTS 156.225 156.225 U.S. Government, Canadian Commercial UNAUTHORIZED Fishing 156.275 156.275 Port Operations PORT OPS 156.325 156.325 Port Operations PORT OPS Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 48: Special Notes On Usa Channel Usage

    Distress, Safety, and Ship Calls. No voice communication is allowed on CH70. This channel is only available on DSC enabled radios. KEY: S = Simplex operating channel; D = Duplex operating channel. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 49 157.350 161.950 Public Correspondence TELEPHONE 157.400 162.000 Public Correspondence TELEPHONE 162.000 Public Correspondence ------ ------ TELEPHONE RX only 156.025 160.625 Public Correspondence TELEPHONE 156.075 156.075 U.S. Government, Canadian Coast Guard Yes UNAUTHORIZED Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 50: Special Notes On Canada Channel Usage

    LOW POWER (1 W) initially. Override to HIGH POWER by holding down H/L key before transmitting. Used normally in bridge-to-bridge communications. . Lightly shaded simplex channels 21A, 23A, 61A, 64A, 81A, 82A, and 83A cannot be lawfully used in Canada waters unless special authorization is obtained from the Canadian Coast Guard. Not for use by the general public. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 51 NOAA WX RX only WX08 161.650 CANADIAN Weather Channel CANADA WX RX only WX09 161.775 CANADIAN Weather Channel CANADA WX RX only WX10 163.275 NOAA Weather Channel NOAA WX RX only Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 52: Appendix D - Eu Inland Waterway Channels

    Digital selective calling for distress, safety and calling 156.55 156.55 156.575 156.575 156.6 156.6 a) r) 156.625 156.625 156.65 156.65 f) g) 156.675 156.675 156.7 156.7 156.725 156.725 156.75 156.75 156.775 156.775 156.8 156.8 Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 53 86), Ukraine and the Federal Republic of Yugosla via. The Administra tions concerned should make any possible attempt to make these fre quencies channels as soon as possible available for the radiotelephone service on Inland Waterways and/or the required service catego ry. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 54 In the Czech Republic this channel is used for service category nautical information. In the Czech Republic this channel is used for service category ship-to-port authorities. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 55 The special channels above maybe fitted to your radio. These are only licensed for use in the country indicated. No attempt should be made to use them in any other country. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 56: Appendix E - Mmsi And License Information

    If you don’t have a user MMSI , contact the appropriate authorities in your country. If you’re unsure who to contact, consult your Northstar dealer. The user MMSI is a unique nine digit number, similar to a personal telephone number. It is used on marine transceivers that are capable of using DSC (Digital Select Calling).
  • Page 57: Section 7 - Install The Explorer 721/725

    +/-20 deg from the front of the display. Note: If unsure, temporarily power up the radio and check for a suitable location. 20˚ 20˚ Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 58: Checklist

    The following items should be supplied in the box. Check before starting the installation and contact your dealer if an item is missing. NOTE: An antenna is NOT provided . Consult your Northstar dealer for advice if necessary . Mounting gimbal for the VHF radio 14. Two spring washers for the microphone bulk-...
  • Page 59: Gimbal Installation

    Cut out the area marked by the solid dark line. (The dashed line indicates the total area that will be covered by the radio fascia after installation.) Remove the installation template and slide the radio into the cavity. 4. Working from the rear of the bulkhead, align the racheted outstand on each side of the radio with the central hole in each mounting bracket. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 60: Install The Microphone Bulkhead Mount

    NOTE: (Explorer 721US/EU only) This mic clip has a special magnet glued in the rear of the clip to sense ON/OFF HOOK. All other mic hangers do not have magnets and therefore cannot be used. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 61: Connect The Radio Cables

    ANT. A radio antenna is not supplied. A suitable radio antenna must be mounted and connected before operating the Explorer 721/725 radio. Consult your dealer for advice if necessary. GND. A ground connection is not usually required.. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 62: Set Up The Radio

    7-9 Set Up the Radio IMPORTANT: You can’t make any DSC transmissions until you’ve obtained a user MMSI and entered it into your Explorer 721/725 . See Appendix E for Obtaining and Entering MMSI information. Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 63: The Completed Installation (With Optional 701 Handset)

    7-11 The Completed Installation (with Optional 701 Handset) Northstar Explorer VHF Series: 721/725 Operation and Installation Manual...
  • Page 64 FOR FURTHER CONTACT DETAILS GO TO: www.navico.com 0560 Explorer 721 1177 Explorer 725 Designed in New Zealand MN000751C-G Made in China...

This manual is also suitable for:

Explorer 721usExplorer 725euExplorer 725us

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