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
33
Northstar Explorer VHF Series: 721/725 Operation and Installation Manual
5-2 Call an Individual (INDIVIDUAL)
INDIVIDUAL
> ROUTINE
SAFETY
URGENCY
ROUTINE
> MANUAL NEW
BUDDY1
BUDDY2
112345678
INDIVIDUAL
ROUTINE
> SET CHANNEL
MANUAL MMSI
0––––––––
112345678
INDIVIDUAL
ROUTINE
> SEND?
112345678
INDIVIDUAL
ROUTINE
CALLING...
INDIV ACK
112345678
PRESS PTT
ESC –> EXIT
112345678
INDIVIDUAL
ROUTINE
WAITING ACK
You can call anyone who has a radio with DSC functionality. You can set the priority level of the DSC call to
routine, safety or urgency. Choose:
• ROUTINE to make a routine call
• SAFETY to send safety information
• URGENCY only when there’s a serious situation or problem that could lead to a distress situation
1. Press CALL/MENU to enter the DSC CALL menu, then select INDIVIDUAL to call another person.
2. The cursor is at ROUTINE. Press ENT or press the rotary knob to make a routine call or select to another
priority level.
3. The cursor is at MANUAL NEW. Press ENT or press the rotary knob to call a person who’s not in your
buddy list; otherwise select the name of your buddy.
If you selected MANUAL NEW, enter the user MMSI and then press ENT or push the rotary knob.
4. SelecttheworkingchannelandpressENTorpresstherotaryknob.(NOTE: If you’re making a distress
call, the radio goes to CH16 automatically.) Duplex channels can’t usually be called and are automatically
eliminated from the suggested call list. If the call is to a Coast Station, the radio will recognize this and
select the correct channel.
5. The radio summarizes the call details and asks for confirmation to send the call (SEND?). Press ENT or
push the rotary knob to send the call. The TX annunciator is displayed on the screen while the DSC call
is being sent.
6. If the call is acknowledged (ACK), press PTT to talk. If there’s no reply to a routine call, try again (see
Section 5-3-1).
5-2-1 Retry a Routine Call
1. If there’s no reply to your call after one minute (UNABLE TO ACKNOWLEDGE)
the radio asks if you want to retry the call (SEND AGAIN?).
2. Select YES and press ENT or push the rotary knob to retry the call. If the call
still can’t be placed, the radio returns to normal operation.
VHF721
SEND AGAIN?
> YES
NO