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27Northtstar Explorer VHF Series: 710US, 710EU Operation and Installation Manual
5-2-1 Make a Routine Call (Individual)
You can call any other person that has another DSC equipped radio.
1. Press CALL/MENU to enter DSC mode, then select INDIVIDUAL. This allows you to call another person.
2. Select MANUAL NEW to call a person that is not in your buddy list, otherwise select the name of your
buddy. Press ENT.
If you selected MANUAL NEW, you need to enter the user MMSID and then press ENT.
3. Select the working channel and press ENT. (Note: Duplex channels cannot 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.)
4. The radio summarizes the call details and asks for confi rmation to send the call (SEND?). Press ENT to
send the call. The radio goes to CH70 and the TX annunciator is displayed on the screen while the DSC
call is being sent.
5. If the call is acknowledged (ACK), press PTT to talk. If there is no reply, retry making the call. See Section
5-2-2.
5-2-2 Retrying a Routine Call
1. If there is 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 to retry the call.
The radio will repeat this cycle twice. If the call still cannot be placed, the radio
returns to normal operation.
5-2-3 Acknowledgement of an Individual Incoming Call (INDIV)
The VHF 710EU requires the operator to manually send an acknowledgement to
the requesting radio.
Press ENT to send an acknowledgement or ESC to cancel.
The VHF 710US will automatically send an acknowledgement to the requesting
radio within 10 seconds of receiving the call.
Note: For some Countries in Europe it is possible to select ROUTINE, SAFETY, URGENCY, and DISTRESS as
the call category for Individual call transmissions.
DSC CALL
> INDIVIDUAL
LAST CALL
GROUP
INDIVIDUAL
> MANUAL NEW
BOBBY D
REBECCA T
012345678
INDIVIDUAL
ROUTINE
> SET CHANNEL
MANUAL MMSID
0––––––––
012345678
INDIVIDUAL
ROUTINE
> SEND?
12345678
INDIVIDUAL
ROUTINE
CALLING...
INDIV ACK
012345678
PRESS PTT
ESC –> EXIT
012345678
INDIVIDUAL
ROUTINE
WAITING ACK
VHF710
SEND AGAIN?
>YES
CANCEL
RCV: INDIV
012345678
ENTER –> ACK
ESC –> EXIT