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2 receiving a distress call (distress!), 3 distress acknowledgement (distress ack) or relay – Navman 7000 User Manual

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VHF 7000, 7100US, 7100EU Operation Manual

NAVMAN

6-2 Receiving a Distress Call (DISTRESS!)

1. An alert sounds when a distress call

(DISTRESS!) is received. Press any

key to cancel the alert. You do not need

to send an acknowledgement.

2. The radio automatically selects CH16 and displays the details of the distress call on the

screen. Press PTT to establish voice contact.

The details are displayed over two screens that alternate every 1.5 seconds; the first screen

shows the user MMSID and nature of the emergency (if specified), the second screen shows

the time and the location (if specified). If the location and time are not specified, these are

replaced with sequences of 9s and 8s respectively.

The VHF7100 is capable of receiving enhanced LL position data if the vessel transmitting

the Distress Call is sending this. This provides the position of the distressed vessel to

within 20 m (60ft).

6-3 Distress Acknowledgement (DISTRESS ACK) or Relay

An alert sounds when a Distress Relay (DISTRESS RELAY) is

received. Press any key to cancel the alert.
Try to make voice contact with the calling vessel. Maintain a listening

watch on CH16 and standby to lend assistance.

For a Distress Acknowledgement (DISTRESS ACK) sent from the Coast Guard, your radio

automatically cancels Distress Mode transmissions and CH16 appears. Press PTT to establish

voice contact with the Coast Guard.
The Coast Guard is the only agency allowed to send a Distress Acknowledgement (DISTRESS

ACK).

RCV: DISTRESS

123456789

FLOODING

ESC –> EXIT

RCV: DISTRESS

10:34 UTC

82º50.003'N

27º45.543'W

RCV: DISTRESS

RELAY

123456789

ESC –> EXIT

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