Furuno FM-4800, Operator'S Manual

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DIGITAL SELECTIVE CALLING FM-4800 Operator’s Manual
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Step 5
Enter the MMSI number again, and then press the Menu/DSC control to
save the number.
If you enter a different digit that you entered at Step 3 and press the
Menu/DSC control, automatically return to the Step 3.
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).
Step 1
Open the cover labeled "DISTRESS".
Step 2 Press and hold the Distress key (about 4 seconds). The unit beeps and
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.
Step 3 When you receive the DSC acknowledgement, select "ACCEPT".