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
31Northstar Explorer VHF Series: 721/725 Operation and Installation Manual
4-6-2 Enable ATIS Functionality (ATIS FUNC) (EU only)
ATIS functionality will operate only after the ATIS MMSI has been entered (see previous section).
1. Select DSC SETUP, then ATIS FUNC.
2. The cursor is at ON. Select ENT or push the
rotary knob to enable the ATIS functionality
and automatically disable DSC functionality.
The ATIS annunciator appears on the screen.
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;
if the ATIS annunciator is shown, ATIS is operational.
4-7 DSC Functionality (DSC FUNC)
DSC functionality can be disabled but this is not recommended.
1. Select DSC SETUP, then DSC FUNC.
2. The cursor is at ON. Press ENT or push the
rotary knob to enable the DSC functionality
and automatically disable ATIS functionality.
The DSC annunciator appears on the screen.
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;
if the ATIS annunciator is shown, ATIS is operational.
4-8 Response Type to LL Polling Calls (LL REPLY)
You can set up the radio to respond to an LL polling request in one of three ways:
MANUAL reply manually or ignore to each incoming LL polling request from your buddies.
AUTO automatically replies to an incoming LL polling request from any of your buddies.
OFF ignores all incoming LL polling requests from your buddies.
1. Select DSC SETUP, then LL REPLY.
2. Select your mode of response and press ENT or
push the rotary knob to confirm.
4-9 Mute the Notification Ringtone
If you have requested LL position data from any buddies, the 721/725 will notify you of any incoming data
by sounding 2 friendly ringtones. If desired, you can mute this audible notification as follows:
1. Select DSC SETUP, then LL RING.
2. Select OFF (off ) to mute the ringtones.
3. Press ENT to confirm your choice and return to
the menu.
DSC SETUP
ATIS MMSI
ATIS FUNC
> DSC FUNC
DSC FUNC
> ON
OFF
DSC SETUP
ATIS FUNC
DSC FUNC
> LL REPLY
LL REPLY
> MANUAL
AUTO
OFF
DSC SETUP
DSC FUNC
LL REPLY
> LL RING
LL RING
> ON
OFF
DSC SETUP
GROUP SETUP
ATIS MMSI
> ATIS FUNC
ATIS FUNC
> ON
OFF