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3 receiving dsc calls, 3-1 receiving an all ships call (all ships) – NorthStar Navigation Explorer 710 VHF User Manual

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Northtstar Explorer VHF Series: 710US, 710EU Operation and Installation Manual

5-2-9 Request the LL Position of a Buddy (LL REQUEST)

1.

Press CALL/MENU to enter DSC mode, then select LL REQUEST.

2.

Select the buddy whose LL position you want to request then press ENT to send the request. (See Section
5-3-5 for the acknowledgement.)

3.

The working channel name is displayed while the radio waits for an acknowledgement from your buddy.
If there is no reply after 1 minute the radio asks if you want to retry. Continue as explained in Section
5-2-2.

5-3 Receiving DSC Calls

Several types of DSC calls can be received from vessels within range at various priority levels:

DISTRESS See

Section

6.

ALL SHIPS

Urgency or Safety priority (see Section 5-3-1)

Note: In some countries, ALL SHIP DISTRESS calls are received.

INDIVIDUAL

Urgency, Safety, or Routine priority (see Section 5-3-2)

Note: In some countries, INDIVIDUAL DISTRESS RELAY calls are received.

GROUP

Routine priority only (see Section 5-3-3)

GEOGRAPHIC

Routine priority only (see Section 5-3-4)

POLLED POSITION

Routine priority only (see Section 5-3-5)

In addition to the audible alert, the telephone icon will fl ash on the screen.

5-3-1 Receiving an All Ships Call (ALL SHIPS)

1. When you receive notifi cation of an ALL SHIP call, press any key to

cancel the alert. The radio automatically selects CH16.

The priority level and the user MMSID are displayed on the screen. If the
radio recognises the user MMSID as one of your buddies, the buddy’s
name is displayed in place of the user MMSID.

2. No acknowledgement is required. Press PTT to initiate voice contact on CH16 and then switch to a

working channel.

The call data is stored in the Call Log (see Section 5-2-7).

DSC CALL

CALL LOG

DIST LOG

> LL REQUEST

LL REQUEST

> SAM

VHF710

BUDDY #3

SAM

LL REQUEST

CALLING...

SAM

LL REQUEST

> SEND?

channel name

SAM

LL REQUEST

AWAITING ACK

RCV: ALL SHIP

priority

VHF710

ESC –> EXIT