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
21
Northstar Explorer VHF Series: 721/725 Operation and Installation Manual
2-9 Subscribe or Un-Subscribe the 705 handset (HS SETTING)
Explorer725EU/725US only
The optional Handset functions with the base unit. It can not operate on it’s own. Ensure the base unit is
turned ON when using the handset.
You can use the VHF705 wireless handset to control and communicate with Explorer725 base unit from almost
anywhere aboard your vessel. Before you first use the handset, it must first be subscribed to the base unit.
Subscribing the 705 Handset to the 725 base unit:
1. Ensure the handset is fully charged.
2. Turn the base unit on, and select “HS SETTING”,”SUBSCRIBE”, and “YES” from the SETUP menu.
“SUBSCRIBE WAITING” appears on the base unit LCD.
MENU SELECT
> HS SETTING
GPS SIM
RESET
SUBSCRIBE
WAITING
EXIT -> CANCEL
SUBSCRIBE
> YES
NO
HS SETTING
> SUBSCRIBE
CLEAR CODE
3. Turn the 705 handset ON then press and hold SCAN key to enter the ‘subscribing’ mode. The 705 will
display “SUBSCRIBING” on its LCD to indicate it is waiting for response from the base unit.
Note: Your handset must be within operational range of the base unit.
4. Aftersuccessfulsubscription,a“bi”tonewillbeemittedfromthehandsetthendisplay“CONNECTING,
PLEASE WAIT” on the LCD. The 705 will then operate normally with the base unit.
5. Up to 2 handsets can be subscribed to one base unit. Before you subscribe the 2nd handset to the base
unit,makesurethe1sthandsetispoweredo.Youcanthenfollowthesteps1-4tosubscribethe2nd
handset.
Note: If subscribe is not successful, or you wish to un-subscribe a handset from your base unit to use
on another base unit, it is recommended to clear the existing code first as follows:
To Un-Subscribe the 705 Handset from the 725 Base unit:
1. On the base unit, select “HS SETTING”, “CLEAR CODE” and “YES” from the setup menu.
MENU SELECT
> HS SETTING
GPS SIM
RESET
HS SETTING
SUBSCRIBE
> CLEAR CODE
CLEAR CODE
> YES
NO
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.