Dsc Distress Call; How To Initiate A Dsc Distress Call - Furuno FM-4800 Operator's Manual

4.3 DSC Distress Call

FM-4800 can send and receive DSC distress calls. When FM-4800 receives GNSS
signals, FM-4800 can also transmit the latitude and longitude of the vessel together
with the DSC distress call.
4.3.1

How to Initiate a DSC Distress Call

Note
To transmit a DSC distress call, this vessel's MMSI number must be entered into
the radio. For information about how to enter the MMSI number, see section
4.2.2 How to Enter Your MMSI Number.
Initiate a DSC distress call without specifying the nature of
distress
The FM-4800 can transmit a DSC distress call without specifying the following
natural of distress categories: Undesignated, Fire, Flooding, Collision, Grounding,
Listing, Sinking, Adrift, Abandoning, Piracy, and MOB (Man Overboard).
Open the cover labeled "DISTRESS".
Step 1
Press and hold the Distress key (about 4 seconds). The unit beeps and
Step 2
the display shows the time remaining until the distress signal is sent.
After the distress signal is sent, the radio waits for an acknowledgement with the
display showing "AWAIT ACK".
If no acknowledgement is received, the distress signal is repeated at
3.5-to-4.5-minute intervals, until a DSC acknowledgement is received.
When you receive the DSC acknowledgement, select "ACCEPT".
Step 3
If the radio does not stay on CH16, you need to select "Accept".
13