User's Manual
Table Of Contents
- Section 1 - General Information
- Section 2 - The Radio Menu (MENU)
- 2-1 The Radio Menu Options (MENU)
- 2-2 Show Weather, SNR or Happy Fish on Handset (INFO DATA)
- 2-3 Maintain Your Buddy List (BUDDY LIST)
- 2-4 Local or Distance Sensitivity (LOCAL/DIST)
- 2-5 Backlighting (BACKLIGHT) and Contrast (CONTRAST)
- 2-6 GPS Data and Time (GPS/DATA)
- 2-7 GPS Simulator (GPS SIM)
- 2-8 Reset to Factory Defaults (RESET)
- 2-9 Subscribe or Un-Subscribe the 705 handset (HS SETTING)
- Section 3 - Radio Setup Menu (RADIO SETUP)
- 3-1 The Radio Setup Menu Options (RADIO SETUP)
- 3-2 Select the Channel Bank (UIC) (US only)
- 3-3 Change Channel Names (CH NAME)
- 3-4 Ring and Beep Volume (RING VOLUME and KEY BEEP)
- 3-5 Internal Speaker Connections (INT SPEAKER)
- 3-6 Set the Priority Channel (WATCH MODE)
- 3-7 Weather Alert (WX ALERT) (US only)
- 3-8 NMEA or NAVBUS protocol (COM PORT) (721 / 725 only)
- 3-9 Barometric Displays (BARO SENSOR)
- 3-10 Temperature Display (TEMPERATURE)
- 3-11 HAPPY FISH Alarm ON or OFF
- Section 4 - DSC SETUP Menu
- 4-1 What is DSC?
- 4-2 DSC SETUP Menu Options
- 4-3 Check Your User MMSI (USER MMSI)
- 4-4 Maintain Your Groups (GROUP SETUP)
- 4-5 Response to Individual Calls (INDIV REPLY) (US only)
- 4-6 ATIS MMSI & ATIS Functionality (EU only)
- 4-7 DSC Functionality (DSC FUNC)
- 4-8 Response Type to LL Polling Calls (LL REPLY)
- 4-9 Mute the Notification Ringtone
- Section 5 - Send and Receive DSC Calls
- 5-1 The DSC CALL Menu Options
- 5-2 Call an Individual (INDIVIDUAL)
- 5-3 Call the Most Recent Caller (LAST CALL)
- 5-4 Call a Group (GROUP)
- 5-5 Call All Ships (ALL SHIPS)
- 5-6 Call using the Call Log (CALL LOG)
- 5-7 Call using the Distress Log (DIST LOG)
- 5-8 Request the LL Position of a Buddy (LL REQUEST)
- 5-9 Track Your Buddy (TRACK BUDDY)
- 5-10 Receive an All Ships Call (RCV: ALL SHIP)
- 5-11 Receive an Individual Call (RCV: INDIV)
- 5-12 Receive a Group Call (RCV: GROUP)
- 5-13 Receive a Geographic Call (RCV: GEOGRAPH)
- 5-14 Receive a Polled Position Call (RCV:POSITION)
- Section 6 - Distress Calls
- Appendix A - Technical Specifications
- Appendix B - Troubleshooting
- Appendix C - VHF Marine Channel Charts
- Appendix D - EU Inland Waterway Channels
- Appendix E - MMSI and License Information
- Section 7 - Install the Explorer 721/725
5Northstar Explorer VHF Series: 721/725 Operation and Installation Manual
ABOUT THIS MANUAL:
1. Some features described in this manual are not available on every model.
2. This manual is based on the VHF721 US/EU models - the VHF725 US/EU models are functional
identical to the VHF721US/EU except for where noted throughout this manual.
3. DSC functions will not operate on this radio until a valid user MMSI has been entered and stored.
See Appendix- D for details.
4. The radio channels installed into the radio may vary from country to country, depending upon
the model and government or national communications authority regulations.
5. NAVICO recommends that you check the radio operating licensing requirements of your country
before using the radio. The operator is solely responsible for observing proper radio installation
and usage practices.
6. A DSC warning label is supplied with the 721/725 US model. To comply with FCC regulations, this
label must be axed in a location that is clearly visible from the operating controls of this radio.
Make sure that the chosen location is clean and dry before applying this label.
RF Emissions Notice:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
This device’s antenna must be installed in accordance with provided instructions; and it must be operated
with minimum 96 cm spacing between the antennas and all person’s body (excluding extremities of
hands, wrist and feet) during operation. Further, this transmitter must not be co-located or operated in
conjunction with any other antenna or transmitter.
Industry Canada
Operation is subject to the following two conditions: (1) this device may not cause interference, and (2)
this device must accept any interference, including interference that may cause undesired operation
of the device.
Optional Handset
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.
Section 7 - Install the Explorer 721/725 ................................................................................................... 57
7-1 Installation Options ..............................................................57
7-2 Location Requirements ..........................................................57
7-3 Checklist ........................................................................58
7-4 Gimbal Installation ..............................................................59
7-5 Change the Viewing Angle ......................................................59
7-6 Recessed Installation ............................................................59
7-7 Install the Microphone Bulkhead Mount .........................................60
7-8 Connect the Radio Cables .......................................................61
7-9 Set Up the Radio .................................................................62
7-11 The Completed Installation (with Optional 701 Handset) ........................63