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
6 Northstar Explorer VHF Series: 721/725 Operation and Installation Manual Northstar Explorer VHF Series: 721/725 Operation and Installation Manual
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•
Waterproof and submersible to comply with JIS-7•
Choice of High or Low (25 W or 1 W) transmission power•
• Accesstoallcurrently-availablemarineVHFchannelbanks(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 for quick selection of your three favorite channels•
DISTRESS call button to automatically transmit the MMSI and position until an acknowledgement •
is received
Easy access to a buddy list of up to 20 favorite people•
MMSI storage for three favorite groups•
GROUP CALL and ALL SHIPS CALL Facility•
Automatic position and time update when connected to a GPS receiver•
DSC (Digital Select Calling) capability that meets SC101 standards (721/725US only)•
DSC (Digital Select Calling) capability that meets EC Class D standards (721/725EU only)•
ATIS facility for inland waterways (721/725EU only) •
In addition, the 721/725 US/EU models also provide:
• ProminentchanneldisplayandrotarychannelselectorknobwithPRESSTOENTERfunction
• GPSlatitudeandlongitude(LL)andtimedisplay(whenconnectedtoaGPS)
• Powerful4Wexternalaudiooutput
• PSCAN(similartodualwatch)facility
• Infokeytodisplaybarometricdataandtemperature,orSignal-to-NoiseRatio(SNR)
• HappyFishsymbolthatindicatesthefishingconditions
• LLpositionpollinginformationandTrackYourBuddyfacility
• Local/Distancemodetoeliminatenoiseinhightrafficareas
• Weatheralertfacility.721/725US only
• Alphanumericmicrophoneforeasy,directchannelentryandinformationediting.721/725EU only
• INTERCOMfacilityiftheoptionalwired701handsetisinstalled(forVHF721model).
• INTERCOMfacilityifanoptionalwireless705handsetisinstalled(forVHF725model).
CONFERENCE facility if two 705 handsets installed (total 2 x 705 handsets can be installed).