NorthStar Navigation Explorer 721US, Explorer 721EU Receive a Group Call RCV Group

5-12 Receive a Group Call (RCV: GROUP)

RCV: GROUP

GP: RD GROUP

VHF721

ROUTINE

When you receive notification of a GROUP call, press any key to cancel the alert. The radio automatically selects the channel designated in the incoming call.

The priority level is always routine, and the group is identified on the screen. The group will be one of the three groups of frequently called people that you set up earlier (see Section 4-3).

You don’t need to send an acknowledgement. If desired, press PTT to initiate voice contact on the designated channel.

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

5-13 Receive a Geographic Call (RCV: GEOGRAPH)

RCV: GEOGRAPH

VHF721

10:34 UTC

ESC –> EXIT

A geographic call is sent to all vessels within a specific geographic boundary area.

When you receive notification of a GEOGRAPH call, press any key to cancel the alert. The radio automatically selects the channel designated in the incoming call.

The time and the user MMSID or name 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.

Monitor the working channel for an announcement from the calling vessel.

5-14 Receive a Polled Position Call (RCV:POSITION)

RCV: POSITION

BUDDY3

82º50.003'N

27º45.543'W

When you receive GPS position data from a buddy in response to your LL request (see Section 5-9), you’re recommended to make a written note of the position, especially if it’s a good fishing position.

If enhanced LL position information is available from your buddy, it’s shown on the LCD until the display changes.

36 Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual